Lab 1: Expressions and Control
Due at End of Week 1 - 11:59pm on Friday.
Division
Let's compare the different division-related operators in Python:
| True Division (decimal division) The / Operator |
Floor Division (integer division) The // Operator |
Modulo (similar to a remainder) The % Operator |
|---|---|---|
|
|
|
One useful technique involving the %
operator is to check
whether a number x
is divisible by another number y
:
x % y == 0
For example, in order to check if x
is an even number:
x % 2 == 0
Boolean Operators
Python supports three boolean operators: and
, or
, and not
:
>>> a = 4
>>> a < 2 and a > 0
False
>>> a < 2 or a > 0
True
>>> not (a > 0)
False
and
will evaluate toTrue
only if both operands evaluate toTrue
. If at least one operand isFalse
, thenand
evaluates toFalse
or
will evaluate toTrue
if at least one operand evaluates toTrue
. If all operands areFalse
, thenor
evaluates toFalse
What do you think the following expression evaluates to? Try it out in the Python interpreter.
True and not False or not True and False
Using parentheses can be helpful to understand how a program will behave. Python interprets that expression in the following way:
(True and (not False)) or ((not True) and False)
Boolean operators, like arithmetic operators, have an order of operation:
not
has the highest priorityand
or
has the lowest priority
It turns out and
and or
don't just work on booleans (True
, False
). Other Python
values can be considered "false-y", including False
, 0
, None
, and ""
(the empty string).
All other values are considered "truth-y".
Question 1: What Would Python Print?
What would Python print? Try to figure it out before you type it into the interpreter!
>>> 13 and True
______True
>>> 0 or False
______False
>>> "" and 0 or False
______False
Remember and
and or
do not always return booleans when using truth-y and false-y values.
Short Circuiting
What do you think will happen if we type the following into Python?
1 / 0
Try typing it into Python! You should see a ZeroDivisionError
. But what about this expression?
True or 1 / 0
This doesn't cause any errors! In fact, it evaluates to True
. That is:
| Operator | Goes left to right and | Example |
|---|---|---|
| AND | Stops at the first "false-y" value | False and 1 / 0 evaluates to False |
| OR | Stops at the first "truth-y" value | True or 1 / 0 evaluates to True |
If and
and or
make it to the last value without stopping, they just return
the last value. In Python, and
and or
are examples of short-circuiting
operators (they don't necessarily evaluate every operand).
Question 2: What Would Python Print?
What would Python print? Try to figure it out before you type it into the interpreter!
>>> True and 13
______13
>>> False or 0
______0
>>> not 10
______False
>>> not None
______True
Question 3: What Would Python Print?
>>> True and 1 / 0 and False
______ZeroDivisionError
>>> True or 1 / 0 or False
______True
>>> True and 0
______0
>>> False or 1
______1
>>> 1 and 3 and 6 and 10 and 15
______15
>>> 0 or False or 2 or 1 / 0
______2
Question 4: Fix the Bug
The following snippet of code doesn't work! Figure out what is wrong and fix the bugs.
def both_positive(x, y):
"""Returns True if both x and y are positive.
>>> both_positive(-1, 1)
False
>>> both_positive(1, 1)
True
"""
"*** YOUR CODE HERE ***"
return x and y > 0
return x > 0 and y > 0
The original line (return x and y > 0
) will check that two things are
true:
x
y > 0
When will x
be considered True? In Python, any number that is not 0
is considered True. Thus, the first doctest will fail: x = -1
and -1 != 0
, and y = 1 > 0
, so both clauses are True.
Test your code:
python3 -i lab01.py
If statements
Question 5: What would Python print?
>>> def bar(a, b):
... if a == 4:
... return 6
... elif b >= 4:
... return 6 + 7 + a
... else:
... return 25
...
>>> bar(10, 6)
______23
First check the if
then the elif
. If neither of these are True then proceed to else
.
>>> def foo(x):
... if x == 5:
... return True
... else:
... return False
>>> foo(5)
______True
If no elif
is given, proceed straight to else
. Functions can have multiple elif
in a row.
>>> def abs(x):
... if x >= 0:
... return x
... return -x
...
>>> abs(-5)
______5
>>> abs(5)
______5
In these cases, the else
can be omitted since the code will either exit the function after the if
or proceed to the next unindented line.
>>> def abs(x):
... if x >= 0:
... print(x)
... print(-x)
...
>>> abs(-5)
______5
>>> abs(5)
______5
-5
print
is different and will not exit the function. The second print
will still run even after the if
.
While loops
Question 6: What Would Python Print?
>>> n = 3
>>> while n >= 0:
... n -= 1
... print(n)
...
______2
1
0
-1
The code block will continue to run until n
becomes <
0, since 0 is not greater than or equal to 0.
Question 7: What Would Python Print?
>>> # typing Ctrl-C will stop infinite loops
>>> n = 4
>>> while n < 5:
... n -= 1
... print(n)
...
______3
2
1
0
-1
-2
# continues forever
Make sure your while loop condition eventually becomes false, or it'll never stop!
Question 8: What Would Python Print?
>>> def exp_decay(n):
... if n % 2 != 0:
... return
... while n > 0:
... print(n)
... n = n // 2
...
>>> exp_decay(64)
______64
32
16
8
4
2
1
>>> exp_decay(5)
______# No output
The while loop will keep running until the loop condition becomes false.
Question 9: Factor This
Define a function factors(n)
which takes in a number, n
, and
prints out all of the numbers that divide n
evenly. For example, the
factors of 20 are 20, 10, 5, 4, 2, 1.
def factors(n):
"""Prints out all of the numbers that divide `n` evenly.
>>> factors(20)
20
10
5
4
2
1
"""
"*** YOUR CODE HERE ***"
x = n
while x > 0:
if n % x == 0:
print(x)
x -= 1
Test your code:
python3 -i lab01.py
Question 10: Fibonacci
The Fibonacci sequence is a famous sequence in mathematics. The first element in the sequence is 0 and the second element is 1. The nth element is defined as Fn = Fn-1 + Fn-2.
Implement the fib
function, which takes an integer n
and returns
the n
th Fibonacci number. Use a while
loop in your solution.
def fib(n):
"""Returns the nth Fibonacci number.
>>> fib(0)
0
>>> fib(1)
1
>>> fib(2)
1
>>> fib(3)
2
>>> fib(4)
3
>>> fib(5)
5
>>> fib(6)
8
>>> fib(100)
354224848179261915075
"""
"*** YOUR CODE HERE ***"
curr, next = 0, 1
while n > 0:
curr, next = next, curr + next
n -= 1
return curr
Test your code:
python3 -i lab01.py
Error Messages
By now, you've probably seen a couple of error messages. Even though they might look intimidating, error messages are actually very helpful in debugging code. The following are some common types of errors (found at the bottom of an error message):
| Error Types | Descriptions |
|---|---|
| SyntaxError | Contained improper syntax (e.g. missing a colon after an `if` statement) |
| IndentationError | Contained improper indentation (e.g. inconsistent indentation of a function body) |
| TypeError | Attempted operation on incompatible types (e.g. trying to add a function and an int) |
| ZeroDivisionError | Attempted division by zero |
Using these descriptions of error messages, you should be able to get a better idea of what went wrong with your code. If you run into error messages, try to identify the problem before asking for help. You can often Google unknown error messages to see what similar mistakes others have made to help you debug your own code.
For example:
>>> square(3, 3)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: square() takes 1 positional argument but 2 were given
Note:
- The error message tells us what we did wrong - we gave
square
2 arguments when it only takes in 1 argument. In general, the last line is the most helpful. - The number in the second to last line (line 1) tells us where the error occured, which will help you track down the error.
Question 11: Factor This
Define a function is_factor
that checks whether its first argument
is a factor of its second argument. We will assume that 0
is not a
factor of any number but any non-zero number is a factor of 0
.
You should not use if
in your solution.
def is_factor(x, y):
""" Returns True if x is a factor of y, False otherwise.
>>> is_factor(3, 6)
True
>>> is_factor(4, 10)
False
>>> is_factor(0, 5)
False
>>> is_factor(0, 0)
False
"""
"*** YOUR CODE HERE ***"
return x != 0 and y % x == 0
Test your code:
python3 -i lab01.py
Question 12: Disneyland Discounts
Disneyland is having a special where they give discounts for
grandparents accompanying their grandchildren. Help Disneyland figure
out when the discount should be given. Define a function
gets_discount
that takes two numbers as input (representing the two
ages) and returns True
if one of them is a senior citizen (age 65 or above)
and the other is a child (age 12 or below). You should not use if
in your
solution.
def gets_discount(x, y):
""" Returns True if this is a combination of a senior citizen
and a child, False otherwise.
>>> gets_discount(65, 12)
True
>>> gets_discount(9, 70)
True
>>> gets_discount(40, 45)
False
>>> gets_discount(40, 75)
False
>>> gets_discount(65, 13)
False
>>> gets_discount(7, 9)
False
>>> gets_discount(73, 77)
False
>>> gets_discount(70, 31)
False
>>> gets_discount(10, 25)
False
"""
"*** YOUR CODE HERE ***"
return (x <= 12 and y >= 65) or (x >= 65 and y <= 12)
Test your code:
python3 -i lab01.py
Question 13: Falling factorial
Let's write a function falling
, which is a "falling" factorial
that takes two arguments, n
and k
, and returns the product of k
consecutive numbers, starting from n
and working downwards.
def falling(n, k):
"""Compute the falling factorial of n to depth k.
>>> falling(6, 3) # 6 * 5 * 4
120
>>> falling(4, 0)
1
>>> falling(4, 3) # 4 * 3 * 2
24
>>> falling(4, 1) # 4
4
"""
"*** YOUR CODE HERE ***"
total, stop = 1, n-k
while n > stop:
total, n = total*n, n-1
return total
Test your code:
python3 -i lab01.py


{{self.greeting}} {{self.audience}}
Sandbox
Copy and paste a feature to try it out
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---
layout: post
title: Storyboard for Ello Mobile
date: '2014-06-14T08:42:00+02:00'
categories:
- Storyboards
- Ello Mobile
- Sketches
picture_url: https://film-Storyboards.tumblr.com/post/88759734361/Storyboards-for-ello-mobile
---
Storyboard for Ello Mobile.


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The quiet town of Tazacorte is situated on the west side of La Palma and claims to be the warmest place on the island. Puerto de Tazacorte is the fishing port and has a long promenade, a black sand beach, narrow streets lined with colourful old houses and many bars and seafood restaurants.
Tazacorte village is about 1km away, and is the main centre with a town hall, post office, shops and supermarket.
Position 28º 38.3'N, 17º 56.3'W.
The harbour is now protected by a large, new breakwater making the entrance much safer, even with a large westerly swell. This breakwater also minimises any the swell entering the marina.
There is now a modern marina inside this harbour.
When closing with the harbour beware of the extensive fish farms to the NW of the entrance.
On arrival, report to the port office.
Last updated October 2011.


A FEAST AT MIDNIGHT A film review by James Berardinelli Copyright 1996 James Berardinelli
RATING (0 TO 10): 7.5 Alternative Scale: *** out of ****
United Kingdom, 1995 Running Length: 1:45 MPAA Classification: No MPAA Rating (Mature themes) Theatrical Aspect Ratio: 1.85:1 Shown at the Philadelphia Festival of World Cinema, 5/5/96, 5/7/96, and 5/11/96
Cast: Freddie Findlay, Aled Roberts, Andrew Lusher, Lisa Faulkner, Christopher Lee, Robert Hardy, Edward Fox Director: Justin Hardy Producers: Yoshi Nishio Screenplay: Justin Hardy and Yoshi Nishio Cinematography: Tim Maurice-Jones
A FEAST AT MIDNIGHT is a delightfully comic family film that celebrates youthful rebellion. Taking place within the cloistered walls of a British boys' school, the story seems somehow removed from time, invoking images from Dickens' novels as often as it pulls a term from JURASSIC PARK. Dryden Park is the kind of place where dozens of serious dramas are set (most about repression and abuse), yet co-writer/director Justin Hardy has something lighter in mind, playing with the dreary "boys' school image" while allowing his narrative to progress in a more upbeat fashion.
Circumstances have forced young Magnus (Freddie Findlay) to go to boarding school while his father is recuperating from an unspecified disease. Since it's a family tradition to attend stuffy Dryden Park, that's where Magnus is enrolled. Once there, he immediately feels out- of-place, and his inability to excel at cricket is a cause for further isolation. But Magnus isn't the only misfit at Dryden, and he soon bands his fellow social outcasts into a secret society dedicated to the art of cooking. By nights, under Magnus' careful direction, the boys (and one girl) sneak into the forbidden kitchen to whip up culinary delights. Their chief nemesis on these nightly excursions is Mr. Longfellow (Christopher Lee), the humorless Latin Teacher who looks severely upon even the most minor infraction of school rules.
Stories about children rebelling against authority are typically grim affairs, and often involve a great deal of melodrama. Not so in A FEAST AT MIDNIGHT, where the unlikely method is the act of cooking, and the medium is decidedly comic. The boys in Magnus' "Scoffers Society" (named after the French L'Escoffier's) are nevertheless striking a blow for their own freedom, rejecting the school's "healthy diet" of tofu lasagna and grated beetroot in favor of creme brulee and chocolate cake.
Freddie Findlay is yet another marvelously adept European child actor. His innocent face and unaffected manner make Magnus completely believable. He's a pleasure to watch, and his performance never strikes a wrong chord.  Best of all, however, is veteran horror actor Christopher Lee, who willingly sends up some of his Dracula-like mannerisms. While never letting his stern expression slip, Lee pokes fun at the grotesque, monstrous image that established his reputation.
Hardy lampoons everything from MASTERPIECE THEATER-type dramas to American TV and motion pictures. There's a delightful takeoff of MISSION IMPOSSIBLE as Magnus sneaks into town to get ingredients for a cooking session. On another occasion, the raptor-searching-the-kitchen scene from JURASSIC PARK is recreated, with Christopher Lee standing in as the dinosaur.
A FEAST AT MIDNIGHT is one of those rare family films that offers as much (if not more) for adults than children. The way to an audience's heart may be through its stomach, but A FEAST AT MIDNIGHT provides a delectable, alternative means of entry.
- James Berardinelli e-mail<EMAIL_ADDRESS>web: http://www.cybernex.net/~berardin
The review above was posted to the
rec.arts.movies.reviews newsgroup (de.rec.film.kritiken for German reviews).
The Internet Movie Database accepts no responsibility for the contents of the
review and has no editorial control. Unless stated otherwise, the copyright
belongs to the author.
Please direct comments/criticisms of the review to relevant newsgroups.
Broken URLs inthe reviews are the responsibility of the author.
The formatting of the review is likely to differ from the original due
to ASCII to HTML conversion.
Related links: index of all rec.arts.movies.reviews reviews


Chess is a two-player strategy board game played on a chessboard, a checkered gameboard with 64 squares arranged in an 8×8 grid. The game is played by millions of people worldwide. Chess is believed to have originated in India sometime before the 7th century. The game was derived from the Indian game chaturanga, which is also the likely ancestor of the Eastern strategy games xiangqi, janggi, and shogi. Chess reached Europe by the 9th century, due to the Umayyad conquest of Hispania. The pieces assumed their current powers in Spain in the late 15th century; the rules were standardized in the 19th century.
Chess was invented, like many other things, in India. In those days, chess was played with dice. Throw of dice was used to determine which piece to move.The original name of that game and therefore of chess is Chaturanga. According to the Indian mythology, the best chess player of all is the king of Gods, Indra!


./komodod -ac_name=ZAWY24 -ac_adaptivepow=1 -ac_supply=1000000 -ac_reward=10000000000 -ac_cc=2 -addnode=<IP_ADDRESS> &
A channel to discuss mining. For useful links and more info click the pinned messages to the right.
100 messages
Before 05-Dec-19 12:00 AM
FishyGuts26-Feb-19 10:07 PM
0.0001 block rewards.
yeah buddy.
ComputerGenie 👴👴👴26-Feb-19 10:07 PM
made a good bit of $ mining SUPERNET at 0.0001 :P
dukeleto26-Feb-19 10:08 PM
all ACs can have their tiny BR + txfees mined, that makes the chain go
@ComputerGenie 👴👴👴 good point
you can mine DEX, various other "funds"
ComputerGenie 👴👴👴26-Feb-19 10:08 PM
at the time I didn't mine DEX because a poor friend asked me to stay away
Alright26-Feb-19 10:09 PM
ROI'd a 1080 ti in ~5 days mining DEX this time last year
ComputerGenie 👴👴👴26-Feb-19 10:09 PM
speaking of the poor friend (edited)
dukeleto26-Feb-19 10:09 PM
I CPU mined a bunch of ARRR blocks before CG put the asics on it
ComputerGenie 👴👴👴26-Feb-19 10:10 PM
LOL you can't blame me for PIRATE, I mined 5 blocks with GPU and then when I came back people were already using NH
given my current position, I was actually late to the party
FishyGuts26-Feb-19 10:12 PM
ComputerGenie 👴👴👴26-Feb-19 10:12 PM
speaking of my current position, another 22 cents on KMD and I can buy more miners (edited)
WoundedxWarr1or26-Feb-19 10:13 PM
So, based on the suggestion, ( not financial advise ) if I am mining ETC at 1,003 Mh/s pulling down 77.33953 ETC / 0.086233 BTC = estimated $337.973 a month; it would be better just to flip that into KMD then to dip my big toe in with a Z9 mini .. trying to run the numbers and get a little smarter.
ComputerGenie 👴👴👴26-Feb-19 10:13 PM
I'd advise selling all your AMD stuff and buying A9+s
dukeleto26-Feb-19 10:14 PM
ETH mining HW is very geared to mining eth(edited)
ComputerGenie 👴👴👴26-Feb-19 10:15 PM
yeah, AMD rawks at that
dukeleto26-Feb-19 10:15 PM
you can probably mine VRSC on those GPUs, but you want asics for equihash
and new vrsc v2 algo is not kind to GPUs
also, there are FPGAs on VRSC now, at least 2 kinds
@WoundedxWarr1or and yes, you could buy $337 in KMD per month, and start getting 5% kmd apr on that, and mine KMD and/or ARRR/HUSH/ZEC/etc...
but you want to mine on asics
WoundedxWarr1or26-Feb-19 10:17 PM
Thanks, I have been looking at the FPGA Blackminer F1 which has currently about 10 bitstreams; it just came down $500 bucks for the double hashing board model.
dukeleto26-Feb-19 10:17 PM
yes, i will probably be getting some soon
there is the single, double and 3 board options now
F1 is great for VRSC
ComputerGenie 👴👴👴26-Feb-19 10:18 PM
and new vrsc v2 algo is not kind to GPUs
Neither was v1 for the longest time
dukeleto26-Feb-19 10:18 PM
i don't know a lot about the other bitstreams
you could also diversify, and mine XMR/CN coins with your GPUs
WoundedxWarr1or26-Feb-19 10:18 PM
My rigs are paid for as of August 2017 .. I had 12 rigs then and sold 8 rigs to finance equipment upgrades / asic / fpga ..
dukeleto26-Feb-19 10:19 PM
there are something like over 50 cryptonote forks, but which ones have secret fpgas changes by the minute
ComputerGenie 👴👴👴26-Feb-19 10:19 PM
the 1st GPU miner for v1, a 1080TI had less hash than a i7-6700k
I appreciate the insight; I have tried to do a lot of reading as I am not smart on using ASIC / FPGA's.
ComputerGenie 👴👴👴26-Feb-19 10:23 PM
has too many GPUs collecting dust to invest in FPGAs right now
polycryptoblog26-Feb-19 10:25 PM
ASICS are pretty much plug and play, some tuning and tweaks but pretty easy. FPGAs except for blackminer require a bit more technical expertise
WoundedxWarr1or26-Feb-19 10:27 PM
Do you know anyone who tried the Blackminer F1; and or if they like it?
polycryptoblog26-Feb-19 10:28 PM
A couple of the youtube miners I’ve watch like it, read good things but not personally .  Would not recommend supporting them
ComputerGenie 👴👴👴26-Feb-19 10:30 PM
"shady shit"?
polycryptoblog26-Feb-19 10:30 PM
With Verus new FPGA that’s dirt cheap they may have competitors
Alright26-Feb-19 10:31 PM
@ComputerGenie 👴👴👴 tried to keep it secret for as long as possible
ComputerGenie 👴👴👴26-Feb-19 10:31 PM
If I spent that much to dev an FPGA, you'd still not know it existed
WoundedxWarr1or26-Feb-19 10:32 PM
I was also looking into a low voltage FPGA called an atom miner; but I cannot find any feedback on it; so I am not sure if it is a scam, and have not been able to get a reply from the website but if it is true; it wouldn't take a large solar setup to run. About a six AGM battery bank to run 64 FPGA atom miner cards.
Well, got to run, thanks again for the info; Noice Community.
polycryptoblog26-Feb-19 10:34 PM
Nice chatting with you
Alright26-Feb-19 10:35 PM
genie I can understand why they do such things, but their entire business model is based around secretly mining with FPGAs. They just chew up and spit out low mcap coins as they go
WoundedxWarr1or26-Feb-19 10:35 PM
likewise .. ciao.
dukeleto26-Feb-19 10:37 PM
@WoundedxWarr1or i also wasnt' sure if atomminer was a scam. i talked to one of the dudes. i have never seen a YT review of it
blackjok3r27-Feb-19 01:14 AM
@ComputerGenie 👴👴👴 That RPC was sent upstream to KMD yesterday FSM and jl777 branch
2
dukeleto27-Feb-19 07:55 PM
@ComputerGenie 👴👴👴 in your experience, how long does it take innisolicon take to fill orders and you receive them?
ComputerGenie 👴👴👴27-Feb-19 08:03 PM
I haven't personally purchased from them yet, so I don't know
Deltazulu27-Feb-19 08:24 PM
@dukeleto i ordered 2 times from them last year, they were relatively fast
1
rob28-Feb-19 05:43 AM
Wht is ARRR? new coin ?
NutellaLicka28-Feb-19 05:47 AM
Newish yeah. It started in August last year
It is a forced z transaction privacy coin (no blockchain data) that is secured by dpow
That's the discord. Https://minethechains.com offers both KMD and ARRR mining
FishyGuts28-Feb-19 07:09 AM
!arrrtip @rob 99.9001
ARRR TipBotBOT28-Feb-19 07:09 AM
TipBot
@FishyGuts (FishyGuts#5085)
You tipped @rob99.9 ARRR
A network fee of 0.0001 ARRR was deducted from the amount.
This operation is pending. You will be notified when when it has finished.
FishyGuts28-Feb-19 07:09 AM
Now you have to look into it
It will be worth your time.
rob28-Feb-19 07:17 AM
Tks for the invitation and tips too
How do I Chk my arrr wallet addrss
FishyGuts28-Feb-19 07:19 AM
Whisper the bot. !arrrtip help for a full list of commands.
!arrrtip balance is the balance check. !arrrtip deposit gives you the address used.
ARRR TipBotBOT28-Feb-19 07:20 AM
TipBot
Please use #tip-bot to talk to TipBot.
FishyGuts28-Feb-19 07:20 AM
Also, the help will tell you how to withdraw when ready.
We are one of, if not, the most private crypto available to date.
We had a great talk on the H4SHR8 podcast today where I swore like a sailor.
Episode 6 is live!
Our guest is @2ndOldest from @PirateChain !
And we have teamed up to give away a Z9 Mini!!
Follow @h4shr8 & @PirateChain
Like and retweet
The giveaway will be live March 6th!
iTunes
https://t.co/hocxWqroHH
Spotify
https://t.co/iknaTuL1t0
Spotify, itunes links in the tweet.
Also giving away a z9 mini so it's worth the follow and RT.
JTMining28-Feb-19 01:07 PM
!arrrtip
ComputerGenie 👴👴👴28-Feb-19 01:08 PM
Well, that was unfun
dukeleto28-Feb-19 02:14 PM
I don't delete discord posts often, but when I do, I really enjoy it
VRSC is still the most profitable coin to mine on their FPGAs
figgy13201-Mar-19 01:32 PM
Hiya, when setting up znomp/kmdnomp, does it need to be installed on a different pc from the pc you are mining on or can you just run ccminer/whatever on the same instance? At the moment im trying to mine from the same pc that ive installed it on, but it doesnt seem to connect properly :)
ComputerGenie 👴👴👴01-Mar-19 01:34 PM
firewall would be the only thing stopping it on same or different PC
as long as you don't have port errors
figgy13201-Mar-19 02:04 PM
No port errors, tried firewall both enabled & disabled - enabled the ports too - scratching head :)
ComputerGenie 👴👴👴01-Mar-19 02:09 PM
what is the exact error message you're getting?
and is the version of ccminer you're using one that includes equihash?
figgy13201-Mar-19 02:15 PM
...retry after 30 seconds - can't remember ccminer version, just built it from source from github


|
Class Summary |
| Account |
The Account object stores all information about an ust
account. |
| AccountMaintenanceS |
This class is a servlet that maintains information about accounts. |
| BankAccount |
The BankAccount object stores all information about a bank
from this programs view. |
| BankAccountMaintenanceS |
This class is a servlet that maintains information about bank accounts. |
| BankStatement |
The BankStatement object stores all information about one line from the bank
statement. |
| Booking |
Booking object stores all informations about a single booking entry. |
| BookingMaintenanceS |
This class is a servlet that maintains bookings. |
| Config |
Config values, set by web-xml' context-param, java properties or hard coded
defaults. |
| EncodingFilter |
Encoding-Filter to set request character encoding to UTF-8. |
| Finance |
The base class for Account ,BankAccount and Booking . |
| ListParametersS |
This class is a servlet that prints out the request parameteres and session
attributes. |
| Money |
The Money class stores the Money value in Cent * 10. |
| TableData |
A little bit support to create HTML table data tags and HTML colorize numbers. |


Father, since I was a little boy you have always wanted 3 things from me.
To love God. To do well in school. To succeed you in the family business.
I did ok with school. I am a Christian.
But, about the family business. It's a bit complicated.
First, things have been difficult with the business. We lost our financial partner in 2013 while you have to pay tuition for 2 children in the US.
This situation pushed me to stay and work in the US a bit longer so I can save money and come back.
How am I doing? Not very well.
I had a couple of part-time contract jobs in the US. Then, I had my first full-time job only to be fired 5 months later.
So far, we can agree that most of my work life in the US, I spent it being either unemployed or underemployed.
I am still amazed by the fact that you and mom continue to believe in me.
Thanks, dad.
However, all these bad experiences were not that bad. I have learned a great deal from them. I have also met a lot of good people, too.
In college, I had my American family who helped me with grocery shopping every two weeks. They also invited me to all kind of social events so I could feel included, cared for, welcomed. They even paid for a full semester in college for me. Plus, they got me an airplane ticket to visit you in Haiti during the time you could not afford it. 2013 was very hard for the business.
I met three friends from a student organization who became my roommates for a year. They support me every time my rent was late. We share food, well they share food with me. They also gave me a lot of rides to the airport, Walmart, the church
I met other friends from whom I borrowed money from whenever I was broke. I even borrowed a couple of time in Boston from them. You know losing my job did not help things. One of these friends was my roommate in college and another was an aerospace engineer. They were both from India. You see it's been 3 years since I graduated and they are still my friend from afar.
I also meet my marketing professor who did so much for me. Remember when she organized a graduation party for me because no one in my family could afford to come. She also helped me with finding work contracts, and internships. She wrote me the best reference letter I could have. She also helped you out without me asking during hurricane Matthew.
She is proud of me too. When I told her I was fired, she told me it was ok. “This stuff happens…The company didn't deserve you”.
There is also my uncle and his girlfriend. I have been living in Boston for two years. It’s been hard here and lonely but they don’t let me pay rent and helped with foods.
This explains how I was able to work cheaply in Boston able to afford a long commute, and search a bit longer for jobs. For a year, I spent 4 hours every day commuting to work. This allowed me to read a lot but also explains why I was always tired.
Dad, I have met countless friends who have helped me. They have different religions, different cultures, and different points of view. Meeting them helped me become a global citizen. This meant a lot to me. If you did not support me to come to study in the US, I would not have been able to experience this.
Thank you, Dad.
I hope I did not lose you. It's a long letter. But, you can see a pattern here. A lot of people have helped me when I was away from your home and a lot continue to do so.
I want to help people too. I want to pay it forward.
This is not a surprise. You have been pruning me for this life since I was little. You taught me the Christian values. You sent me to Catholic school where they taught me to care for the less fortunate. Your big dream for me was to come back to Haiti and give back to the community after my studies.
Plus, you, too, are tired of the country's situation. You don't like things as they are and would love to change the country's narrative. You always tell us stories that make us proud of being Haitian.
There is this Kennedy Quote that is always on your tongue. " ... ask not what your country can do for you, ask what you can do for your country." yeah this one.
This was the main reason you sent us to study in the US so we can come back with the best education and help the country.
Here is the thing dad. Something has changed. I don't want to run a business and give back later when the business can afford it. I don't want this philosophy. I don't want "giving back" to be an afterthought in running or creating new business. I love business that solves social issues. I want the whole business with purpose thing.
I started to see things like that since I was in high school. The idea was half bake but it was there. Remember I was skipping dinner to spend time in the library. I was reading books on social issues. Books like “le pays en dehors, Deschooling society. Turns out I am a big fan of Ivan Illich.
I also started to watch Ted talk in 2009. Then there was the Election of Obama with a yes we can campaign. The 2010 earthquake in the country was also a big factor. It imprints the narrative of life is too short to not do anything.
I can’t do business as usual, dad. I am no longer attracted to it. I am only interested in social entrepreneurship.
The type of business that is beneficial for the community. A type of business that works to help solve a development goal. Things like human rights, woman equality, poverty, the environment...
 A type of online marketplace for arts and crafts. As simple as it sounds, I care deeply about it and I am committed to making it work.
It's was actually my first social business idea to help fight poverty amongst artisans. This idea was the reason I learn to program a computer, do basic graphic designs and learned photography.
I have learned so much in the past four years about launching a business that it might feel for many that I have been wasting my time. I wasn’t.
Yes, I have some setbacks. I have applied with 6 starts up incubators so I could get training and funding. They all turn me down. I had one that said maybe but a maybe is just a polite no.
But I am doing it anyway. I have been working on it on the side for the last 4 years and I am committed to launch it in the coming weeks
I know I don't have money and you can't help me as much as you would, but don't worry. I'll start with what I have. Funny, you taught me that.
So what is going to happen with the family business?
I will come back and work with you. This business means so much to me. I owe so much to this place and to you.
But there is a catch dad. I'll work with you on one condition. Your business will have to be business with a social mission. More on how later.
It's been a long letter, but beared with me. I have a last point to make about why I starting a social business
All the reasons I advance for joining the social entrepreneurship movement are good but they should not be the main reason one becomes a social entrepreneur.
The truth is all of us have a duty to help
I discovered this concept while reading “Give Work” a book by Leila Janah, my social entrepreneur role model. The concept is simple. We should help the poor because we participated in making them poor.
You see money and goods flow freely around the world while people can’t. This has created lack of opportunities and resources for a good part of the world population. Yes, some countries have good governance but it’s only for their local citizens.
So when you buy a t-shirt made by let say a citizen form my country, Haiti. You participate in that.The retailer of the t-shirt ripe most of the profit because of globalization while the factory worker could not get a good wage. Working for the factory is the only job he could find and moving to a better location to find a better job is close to impossible.
Also, let’s not forget that it is not an easy thing to make a t-shirt in a sweetshop. It ’s very hard. The work is so repetitive and the working conditions are tough and sometimes, dangerous.
But the market does not reward them for that.
So I urged all of you who can do something to do something. For example, buy products who are more fair to marginalized people. Donate to good causes. Votes with your money.
If you are a business owners, buy from vendors who are also making an impact. Add a social mission to your business model. Hired marginalized people.
You could also become a social entrepreneur, social services providers, a social activist or all three or an hybrid of them if you can.
Do something. It’s our duty to do so.
Sincerely, Frantz Your son who loves you so much.


CalendarAdapter
open class CalendarAdapter : BaseAdapter
SectionCalendarView Class: CalendarAdapter Created by Pyxis on 2017-12-20.


|
BiriBiriBeat
An Arduboy Otoge/Rhythm Game
|
File declaring all game menu objects. More...
#include "menu.h"
Go to the source code of this file.
Macros | |
| #define | SELECT_SPEECH_X 20 |
| #define | SELECT_SPEECH_Y 1 |
| #define | SELECT_INFO_X 60 |
| #define | SELECT_INFO_Y 15 |
Variables | |
| menu_data | menu_title |
| menu_data | menu_config |
| menu_data | menu_mode |
| menu_data | menu_diff |


nips nips2000 nips2000-77 nips2000-77-reference knowledge-graph by maker-knowledge-mining
Source: pdf
Author: Dörthe Malzahn, Manfred Opper
Abstract: Based on a statistical mechanics approach, we develop a method for approximately computing average case learning curves for Gaussian process regression models. The approximation works well in the large sample size limit and for arbitrary dimensionality of the input space. We explain how the approximation can be systematically improved and argue that similar techniques can be applied to general likelihood models. 1
[1] D. J. C. Mackay, Gaussian Processes, A Replacement for ral Networks, NIPS tutorial 1997, May be obtained http://wol.ra.phy.cam.ac.uk/pub/mackay/. Neufrom
[2] C. K. I. Williams and C. E. Rasmussen, Gaussian Processes for Regression, in Neural Information Processing Systems 8, D. S. Touretzky, M. C. Mozer and M. E. Hasselmo eds., 514-520, MIT Press (1996).
[3] C. K. I. Williams, Computing with Infinite Networks, in Neural Information Processing Systems 9, M. C. Mozer, M. I. Jordan and T. Petsche, eds., 295-30l. MIT Press (1997).
[4] D. Barber and C. K. I. Williams, Gaussian Processes for Bayesian Classification via Hybrid Monte Carlo, in Neural Information Processing Systems 9, M . C. Mozer, M. I. Jordan and T. Petsche, eds., 340-346. MIT Press (1997).
[5] P. Sollich, Learning curves for Gaussian processes, in Neural Information Processing Systems 11, M. S. Kearns, S. A. Solla and D. A. Cohn, eds. 344 - 350, MIT Press (1999).
[6] L. Csata, E. Fokoue, M. Opper, B. Schottky, and O. Winther. Efficient approaches to Gaussian process classification. In Advances in Neural Information Processing Systems, volume 12, 2000.


Following is a complete list of SICStus Prolog built-in predicates, arranged by topic. A predicate may be included in more than one list.


| invResPlot {car} | R Documentation |
For a lm
model, draws an inverse.response plot with the response Y on the
vertical axis and the fitted values Yhat
on the horizontal axis. Uses nls
to
estimate lambda in the function
Yhat = b0 + b1(Y)^(lambda).
Adds the fitted curve to the plot.
invResPlot
is an alias for inverseResponsePlot
.
inverseResponsePlot(model, lambda=c(-1,0,1), robust=FALSE, xlab=NULL, ...) ## S3 method for class 'lm' inverseResponsePlot(model, lambda=c(-1, 0, 1), robust=FALSE, xlab=NULL, id=FALSE, ...) invResPlot(model, ...)
model |
A |
lambda |
A vector of values for lambda. A plot will be produced with curves corresponding to these lambdas and to the nonlinear least squares estimate of lambda. |
robust |
If |
xlab |
The horizontal axis label. If |
id |
controls point identification; if |
... |
Other arguments passed to |
As a side effect, a plot is produced with the response on the horizontal axis and fitted values on the vertical axis. Several lines are added to be plot as the ols estimates of the regression of Yhat on Y^(lambda), interpreting lambda = 0 to be natural logarithms.
Numeric output is a list with elements
lambda |
Estimate of transformation parameter for the response |
RSS |
The residual sum of squares at the minimum if robust=FALSE. If robust = TRUE, the value of Huber objective function is returned. |
Sanford Weisberg<EMAIL_ADDRESS>Fox, J. and Weisberg, S. (2011) An R Companion to Applied Regression, Second Edition, Sage.
Prendergast, L. A., & Sheather, S. J. (2013) On sensitivity of inverse response plot estimation and the benefits of a robust estimation approach. Scandinavian Journal of Statistics, 40(2), 219-237.
Weisberg, S. (2014) Applied Linear Regression, Fourth Edition, Wiley, Chapter 7.
invTranPlot
, powerTransform
,
showLabels
m2 <- lm(rate ~ log(len) + log(adt) + slim + shld + log(sigs1), Highway1) invResPlot(m2)


--- layout: archive title: Zulip Chat Archive permalink: /stream/113488-general/topic/galois.20insertion.html ---
import algebra.archimedean example (α : Type*) [floor_ring α] : galois_insertion (ceil : α → ℤ) coe := { choice := λ x _, ⌈x⌉, gc := λ x n, ceil_le, le_l_u := λ _, le_of_eq (ceil_coe _).symm, choice_eq := λ _ _, rfl }
let's come up with more examples
nice observation. Of course floor
is also in an adjoint pair, this time on the right side
also natural number subtraction is best understood in terms of the galois connection it forms with addition
same with natural/integer division
also natural number subtraction is best understood in terms of the galois connection it forms with addition
previously unsaid sentence in human history @Kevin Buzzard
Sorry, I have to contradict you. I wrote those Galois connection and PRed them to the core library while I was interning at Galois. And I thought that was a beautiful coincidence and wouldn't shut up about it :P
did you make any galois connections while you were there? :)
I certainly did :D
Kenny can you remind me what a Galois connection and Galois insertion is?
If it helps, Galois connection ~ adjunction and Galois insertion ~ reflective subcategory, i.e. one of the adjoints is the inclusion of a full subcategory (or possibly coreflective, probably the other one is called a Galois coinsertion)
where ~ means "is what you get by specializing to preorders = categories with at most one morphism in each hom set"
so a pair of adjoint functors and one is inclusion of a full subcategory. Aren't there lots of examples then? e.g. metric spaces <-> complete metric spaces and lots of other examples of when you drop a property of X and then find some adjoint?
Yes except metric spaces don't form a preorder
So the flavor of the examples tends to be a bit different, e.g., sub-R-modules inside all subsets or these floor/ceiling examples. But the theorems are largely the same--the left half of the connection preserves sups and so on
Aah! At most one morphism between two objects, and a pair of adjoint functors, and inclusion of a full subcategory. That's the question.
Is nat.pred
and nat.succ
a galois insertion?
I can't seem to prove it
a<= succ b iff pred a <= b looks true to me
succ is inclusion of a full subcategory
succ a <= b iff a <= pred b is false though
And pred is not an inclusion of a full subcategory
So it's 50-50 from where I'm sitting as to whether it's an insertion or a coinsertion
But it's not both
I was surprised to find that this wasn't already proven... more accurately there were some silly assumptions
a - b <= c <-> a <= b + c
is the galois connection, which is an insertion since (a + b) - b = a
. Take b = 1
and you have succ/pred
Last updated: Apr 24 2020 at 19:02 UTC


Hi,
I'm an aspiring data scientist currently in Sapporo, Japan. I'm endlessly curious about uncovering the patterns that make the world work. I'm passionate about improving the impact of machine learning on all aspects of our knowledge and lives. I'm also fascinated by new and interesting ways to visualize data at all scales.
Udacity - Data Analyst Nanodegree
Intro to Data Science
Getting started.
Project: Predicting NYC Subway Ridership
Course Exercises: Python Solutions
Intro to Machine Learning
Giving your data a voice.
Data Visualization and D3.js
Telling your unique story.
Project: Visualizing Nobel Laureate Patterns over Time
Project: Data Visualization Design Process
Data Wrangling with MongoDB
Getting your data into shape.
Project: OpenStreetMap Report & Queries
Project: OSM Data Cleaning Code
Python Solutions to Course Exercises
Data Analysis with R
Finding to your data's story.
Project: MOOC Student Exploration
Course Exercises: R Solutions
Professional presence
Putting it All Together.
Coursera - Data Science Specialization
Practical Machine Learning
Building prediction functions for practical applications.
Exploratory Data Analysis
Learning essential data summarization techniques.
Developing Data Products
Creating data products with Shiny, R packages, and interactive graphics..
Reproducible Research
Building reproducible data analyses.
R Programming
Learning to use R for effective data analysis.
Getting and Cleaning Data
Gathering, cleaning, and managing data.
Regression Models
Foundations in using linear models.
Statistical Inference
Learning to draw conclusions about populations from data.
The Data Scientist's Toolbox
Intro to tools including version control, markdown, git, GitHub, R, and RStudio.


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Video Editor. Photographer. Designer.
With over 2 years of multi-media content production and editing, I have implemented myself to become skilled in both video, graphics and photography editing. I have directed and edited promotional videos for major non-profits such as SCRAP PDX, a reusable arts supply center, OMSI The Oregon’s Museum of Science and industry.
My outlook on their product allowed their mission statement and values to be captured in a medium that opens opportunities for their growth.
I worked at KCTS 9, the Seattle branch of PBS. Under the guidance of the Digital Marketing Team, I helped produce videos for major donor events such as, The Courage Awards, The Crosscut Festival and Pledge week. Within my position, I also worked on graphics for social media content for both KCTS 9 and Spark TV. Being a part of various projects has given me the tools to further develop my skills.
I participated in the 48 Hour Horror Film Festival in Seattle, WA in 2018 and the movie I edited won the award for “Best in City Video” from the 48 Hour Horror Film Festival which will go on to represent the city of Seattle at the Filmapalooza 2019 Festival in Paris.


As first light from the first stars transforms the universe from the dark ages into cosmic dawn, the history may be traced in redshifted 21-cm from neutral hydrogen in the gas. Efforts to build precision radio telescopes to detect this faint signal are beginning to yield results of significance to the theory, thus constraining the starlight of the earliest galaxies.
Telescopes give panoramic visions of galaxies and stars in our present day nearby universe. We live in an expanding universe; therefore, light from early times in the history of the universe arrives on Earth shifted to the red as far as radio waves, and radio telescopes on ground and in space have given us a vision of the time when the first atoms formed and the universe was a very uniform hot gas. Understanding the transformation from that primordial gas to stars and galaxies is an unsolved problem.
The Southern African Large Telescope (SALT) is the largest single optical telescope in the southern hemisphere and among the largest in the world. It has a hexagonal primary mirror array 11 metres across, comprising 91 individual 1m hexagonal mirrors. SALT is situated at the South African Astronomical Observatory (SAAO) field station near the small town of Sutherland, in the Northern Cape province, about 400 km from Cape Town.
Quantum mechanics works beautifully in the realm of elementary particles, atoms and molecules. But it seems to fail for large objects, even though large objects are made of particles which by themselves obey quantum mechanics. What is the reason for this failure? Einstein's theory of relativity works beautifully for space-time and large objects, but seems to fail in the realm of particles and atoms. What is the reason for this failure?
In cosmology, baryon acoustic oscillations are fluctuations in the density of the visible baryonic matter (normal matter) of the universe, caused by acoustic density waves in the primordial plasma of the early universe. In the same way that supernovae provide a "standard candle" for astronomical observations, BAO matter clustering provides a "standard ruler" for length scale in cosmology.
The combination of escapism and delving into wonderful worlds with infinite possibilities, brought to us by science fiction sure does entertain our minds. Along with inspiring ideas and methods, it allows us to look at the bigger picture. This particular lecture takes it a step forward by analysing the way in which various sci-fi movies managed to break the boundaries of physics and for what purpose. In what other ways could a particular stunt be done and what else could be achieved in a universe with such laws.
Numerical relativity allows us to recreate cataclysmic cosmic phenomena that are otherwise inaccessible in the conventional laboratory – like gravitational collapse to black holes and neutron stars and the generation and propagation of gravitational waves. With supercomputers, it is now possible to tackle these equations numerically and explore these scenarios. That is the main goal of numerical relativity, the science of developing computer algorithms to solve Einstein’s equations for astrophysically realistic, high-velocity, strong-ﬁeld systems.
The IceCube project at the South Pole melted eighty-six holes over 2.5 kilometers deep in the Antarctic icecap to construct an enormous astronomical observatory. The experiment recently discovered a flux of neutrinos reaching us from the cosmos, with energies a million times those of neutrinos produced at accelerator laboratories. The observation launches an entirely new way to study the universe because these cosmic neutrinos are astronomical messengers reaching us from some of the most violent processes in the early universe since the Big Bang.


Hacktoberfest is an annual event across all of GitHub which is meant to encourage developers to contribute to open source projects.
As a couple of guys amazed by open source projects, we decided to organise a meetup for this event in Poznań.
Whether it's your first step in open source or you already maintain your major project for several years, join us and let's hack for Hacktoberfest together.
The event consists of two main tracks. You are free to attend only one of them, or both - whichever you find more interesting!
A place to plop down with a laptop and write some code. Meet new people, ask for help, help others, talk about cool projects, share your knowledge, socialize! (Or don't. It's up to you - just have fun!)
Talks about Free Software, Open Source, programming, and IT in general.
You only need to bring a laptop with you - drinks and food are on us!

If you maintain any open source project feel free to join our event as a Maintainer.
Contact us
at:
<EMAIL_ADDRESS>or Facebook
messenger.
Attendance is free. However, for organisational purposes, we ask you to kindly register for the meetup on Eventbrite.
This will help us estimate the number of attendees and fit the venue accordingly.
Sonalake Sp. z o.o.
Plac Andersa 5
61-894 Poznań
Google Maps


#!chuck_renders header this is the beginning #!end #!chuck_renders content One must have chaos in oneself to give birth to a dancing star. #!end #!chuck_renders footer this is the end #!end


To login to the API specify just the username and password fields.
account-sequence: every event on a smarkets account is assigned an incremental sequence number. account-sequence is passed to the client in order-accepted, order-rejected, order-invalid, order-cancelled, order-cancelled-rejected.
If for any reason a client gets disconnected, the client can re-login and set the account-sequence field. The api will resend all messages from the account-sequence on.
Note: the replay stream is bounded. You won't be able to replay old messages.


Director approvals requested
We've sent an email to the directors below requesting their approval to close Templeton Metal Works Limited.
| Director name | Email address |
|---|---|
| David Arthur Templeton |<EMAIL_ADDRESS>|
| Cathy Nicholas |<EMAIL_ADDRESS>|
| UK Metal Works Limited |<EMAIL_ADDRESS>|
| Steve Jones |<EMAIL_ADDRESS>|
After requesting the directors approval there is a 2 month time limit for the directors to approve the application.


We first and foremost ensure that the GSA Schedule contract vehicle/marketing tool is the right fit for your firm. We will not sell you something that you do not need or something that will be a liability for your business.
The GSA Schedule is a 5 year contract, with 3 five year renewable periods. In essence, it is a 20 year contract. The primary focus is GSA negotiating and securing the lowest rates for your goods and/or services.
The pricing analysis is based on 2 main factors:
(a) - CSP, Commercial Sales Practices and (b) - Other vendors on the GSA Schedule.


Filter robusta whipped, java medium, percolator steamed brewed extraction skinny ut strong. Ristretto doppio, so variety cup ut macchiato latte. Acerbic breve sit filter milk robusta shop cinnamon coffee. Sit white aromatic, instant cup aroma doppio decaffeinated percolator barista java mocha. Americano, coffee bar fair trade as cup in plunger pot java.
Java, macchiato, milk a crema sit kopi-luwak foam. White and caramelization lungo java viennese organic instant.
Froth brewed trifecta, lungo qui grounds froth java. Instant flavour cup carajillo instant robusta shop white. Plunger pot spoon café au lait, crema, single origin, blue mountain, macchiato ristretto at viennese carajillo.
Dark, saucer aftertaste instant blue mountain mocha grounds. Rich shop, roast id lungo crema, doppio et con panna cup blue mountain flavour. Froth viennese, extraction roast ut café au lait eu iced siphon aftertaste. Caramelization, macchiato frappuccino french press robusta doppio macchiato steamed. Chicory, cappuccino, eu foam, filter coffee decaffeinated filter carajillo sweet fair trade.
Seasonal aged grinder, plunger pot, coffee cultivar, con panna cultivar frappuccino aromatic instant. Flavour medium variety organic galão that steamed acerbic. Id doppio, percolator id galão bar, siphon sweet fair trade aftertaste crema. Chicory, trifecta grinder mazagran macchiato a, single shot sit cinnamon turkish robusta.
Single origin bar, dark crema french press skinny wings, cultivar single shot caramelization id doppio. Extra arabica grinder a affogato lungo caramelization. Espresso, half and half sugar single shot, milk, ut filter cappuccino single shot blue mountain. Roast that siphon cup, est, aged qui siphon grounds cream.


|
MyExperiment RDF beta
|
00001 <?php 00009 ?> 00010 00011
 00012
a	text
 00013
<?= $datauri ?>announcements/6
myExperiment is discussed by Jim Hendler in his article Reinventing Academic Publishing, Part 3 in IEEE Intelligent Systems January/February 2008, page 2-3.

 00014 00015
<?= $datauri ?>announcements/29
A new project to link the myExperiment system with two existing electronic laboratory notebook (ELN) systems developed in Southampton, currently in use in several departments, has been announced today (June 11, 2009). By integrating these ELNs with myExperiment we will pave the way for longer term takeup in the experimental laboratory science communities, including Chemistry, Physics, Biology and Engineering.
 00016
 00017 The project will commence in July 2009 and will be led by Prof Jeremy Frey, who is based in the School of Chemistry at Southampton and is one of the partners in the myGrid Platform.
 00018
 00019 For more info please see http://wiki.myexperiment.org/index.php/MyExperimentalScience
 00020
 00021 -- Dave

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<?= $datauri ?>announcements/14
We're pleased to announce that we've remodelled the myexperiment wiki to support the myExperiment developer community.
 00023 00024
There is now a Developers' section where those of you developing over the API can share information about your projects. It currently includes Google gadgets, the Taverna plugin, workflows for Facebook and the Java API. This section also carries information about people running their own myExperiments, and myExperiment developer documentation.
 00025
The other information is now organised into Users, News and About. Previously you needed a wiki account to get at anything other than the main page, but now everything is publicly available, so you won't need to use your old accounts.
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We’re really keen that everyone working over the API uses the wiki, if only to list who you are and what you’re doing – then all the developers will be able to help out as the community grows.<o:p></o:p>
 00028
To get an account so that you can contribute content to the Developer pages please email Don Cruickshank on<EMAIL_ADDRESS>00029 00030
<?= $datauri ?>announcement/3
In true 'perpetual beta' fashion, we continue our updates and additions to myExperiment:
 00031
 00032
In the user profile page, you can now see how many times a user has been credited for Workflows and Files in myExperiment. You can also see these credited items directly in the new "Creditations" tab, when viewing a user's profile.
 00033
Clearer statistics in the Workflow, File and User pages.
 00034
Improved layout for the Workflow and File pages.
 00035 00036
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<a href="<?= $datauri ?>feedback">Feedback always welcome!

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<?= $datauri ?>announcement/25
Our paper "Software Design for Empowering Scientists", which discusses the design principles of Taverna and myExperiment, has appeared in the January/February 2009 issue of IEEE Software ("Developing Scientific Software, Part 2"). The article is available to subscribers on http://www2.computer.org/portal/web/csdl/doi/10.1109/MS.2009.22 and the preprint is available on http://eprints.ecs.soton.ac.uk/15032/ The full reference is
 00039
 00040 De Roure, D. and Goble, C. Software Design for Empowering Scientists, IEEE Software, Volume 26, Issue 1, Jan-Feb 2009, pages 88-95. Digital Object Identifier 10.1109/MS.2009.22
 00041 00042
 00043 Also, myExperiment, along with OpenWetWare and nanoHub, feature in the article "Research intelligence - Log on to a global laboratory" in the January 1st issue of THE (Times Higher Education) , written by Sarah Collinson and Zoe Corbyn. You can find the article on http://www.timeshighereducation.co.uk/story.asp?sectioncode=26&storycode=404834
 00044
 00045 ...and Happy New Year to all our users!
 00046
 00047 -- Dave

 00048


| < Day Day Up > |
Chapter 3. Using DB2 FunctionsIN THIS CHAPTER Two types of built-in functions can be applied to data in a DB2 table using SQL: column functions and scalar functions. You can use these functions to further simplify the requirements of complex data access. NOTE DB2 also provides the capability for users to create their own functions. This capability, called user-defined functions, is discussed in-depth in Chapter 4, "Using DB2 User-Defined Functions and Data Types." Functions are called by specifying the function name and any required operands. A built-in function can be used any place an expression can be used (with some exceptions). |
| < Day Day Up > |


{{content}} {% if use_signature %}
Best regards,
Your Friends at DemocracyLab
{% endif %}
This work by
https://www.democracylab.org/
is licensed under a
Creative Commons Attribution 4.0 International License.


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# Introduction
This part of the website is generated by the markdown directive.
Just play around with the textarea...
* goto my [github](https://github.com/IvoNet/angular-ivonet-markdown) for the full project.
* goto my [www.ivonet.nl](http://www.ivonet.nl) for more goodness ;-)


--- layout: page title: About header-img: "img/about-bg.png" ---
I love long naps on the couch, deep conversations about video games, and romantic dinners with anime.


US shifts position on Israeli settlements in occupied West Bank
by Naveel KrishantThe US has shifted its position on Israeli settlements in the occupied West Bank, no longer viewing them as inconsistent with international law.
US Secretary of State Mike Pompeo said the status of the West Bank was for Israelis and Palestinians to negotiate.
Palestinians view Jewish settlements in the West Bank and East Jerusalem as an obstacle to peace [Photo:BBC]
Israel immediately welcomed the move - a reversal of the US position under Trump's predecessor Barack Obama.
Settlements are communities established by Israel on land occupied in the 1967 Middle East war.
They have long been a source of dispute between Israel and the international community, and the Palestinians, who swiftly condemned the move.
[Source:BBC]


--- layout: page title: "My Account" permalink: "/account/index.html" --- {% assign customer = site.data.customer %}


Love Serenade
[3.5/4.0]
Life in the country can be slow and uneventful. For sisters Vicki-Ann and Dimity, who live by themselves in rural Australia, their time is spent at their jobs in a beauty salon and Chinese restaurant, and fishing. When an unsuccessful disc jockey from a larger town, Ken Sherry, moves next door, Vicki-Ann sees a potential husband in the small town's new celebrity. However, the emotionally withdrawn Dimity also takes an interest in him and becomes her sister's rival. The dour, unexpressive, Ken Sherry is often speaking philosophically about love, and has no problem with being involved with both sisters simultaneously.
It appeared to me initially that this film was marketed (in previews) as a romantic comedy. Since that is a genre that I do not like, I had very low expectations for the film, which may be a factor in explaining why I enjoyed it so much. This film is really a comedy which explores the interaction of several quirky characters. Although his screen time is limited, Dimity's boss and proprietor of the restaurant, Albert Lee, is hilarious. A small amount of magical realism is introduced in the recurring subtext of fish, and its limited appearance is just enough to be amusing without being distracting. The title is a reference to a song by Barry White, and it is important to know who he is to fully appreciate the film. White was popular in the 1970's and in his low, smooth voice he sang songs about making love, which were often cheesy rather than romantic. White's songs are the favorite of Ken Sherry and are played throughout the soundtrack. It becomes apparent that Ken Sherry's views on love are limited to only the sentiments reflected in Barry White songs.
Highly Recommended. This is quite an enjoyable, quirky film.
(c) 1999 Murali Krishnan The Art House Squatter http://pages.hotbot.com/movies/murali24/
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We exchange blockchain!
- engineer rich e-tailers
- repurpose extensible action-items
- deliver turn-key systems
- e-enable world-class methodologies
- maximize granular models
- evolve granular web services
- transform synergistic initiatives
- expedite leading-edge ROI


--- title: "Can we open up Lancaster County?" author: "Drew Tyre" date: '2020-05-11' output: pdf_document: default html_document: code_folding: hide word_document: default og_image: /post/covid19-nebraska-by-county_files/figure-html/featured_image-1.png draft: no slug: covid19-nebraska-by-county tags_include: - R - OPD - COVID19 categories: Research ---
Over the past few weeks outbreaks centered around meat processing facilities hit the news. I started wondering how these would impact Nebraska’s numbers. I break down Nebraska’s numbers by county here to see what is working and where we should be frankly alarmed. TL;DR: too early to open up Lancaster county according to whitehouse guidelines.
The first post in this series was March 13, in case you’re just joining and want to see the progression. I’m now posting the bottom line figures for each state and province on the same post that just gets updated each day.
DISCLAIMER: These unofficial results are not peer reviewed, and should not be treated as such. My goal is to learn about forecasting in real time, how simple models compare with more complex models, and even how to compare different models.1
For this analysis I’m going to the NY Times dataset directly, which has data for the USA broken
down by county. I’m also testing out a data package I contributed to – wnvdata
2 –
has county level census
data so I can calculate per capita case rates.
library("tidyverse")
library("lubridate")
library("broom")
library("EpiEstim")
source("R/plot_functions.R")
# this package only from github
census_data <- wnvdata::census.data %>%
filter(year == 2019) %>%
select(fips,POP)
nytimes_counties <- read_csv("https://raw.githubusercontent.com/nytimes/covid-19-data/master/us-counties.csv")
ne_counties <- nytimes_counties %>% filter(state == "Nebraska",
county != "Unknown") %>%
group_by(county) %>%
mutate(maxcases = max(cases)) %>%
filter(maxcases > 100)
ggplot(data = ne_counties,
mapping = aes(x = date, y = cases)) +
geom_point(mapping = aes(color = county)) +
# scale_y_log10() +
labs(x = "Date",
y = "Cumulative confirmed cases",
title = "Confirmed cases of COVID-19 in Nebraska",
subtitle = "Only counties with at least 100 cases",
caption = "Data from NY Times Github Repository.")
Looks like this data is including some of the initial cases from the Diamond Princess that were flown to UNMC, because I’m pretty sure there were no local cases in February.
So lets give these the Tyre Treatment. I’ll start the models on the day each county hit 20 cases, and only look at 6 counties that are interesting. The y axes are Active or Recovered cases per 100,000 population, so these curves can be directly compared despite the huge variation in the number of people in each county. I’ve put the actual dates on the x-axes, but let them shift, so all the x axes start on different days.
ne_counties <- nytimes_counties %>% filter(state == "Nebraska",
county != "Unknown")
county_data <- ne_counties %>%
group_by(county) %>%
summarize(fips = last(fips)) %>%
left_join(census_data)
# new function adapted from the one for states
ne_counties_plot <- plot_nytimes_counties(ne_counties,
county_data,
case_cutoff = 20,
exclude = c())
county_pops <- ne_counties_plot$data %>%
group_by(county) %>%
summarize(POP = first(POP)) %>%
arrange(POP)
plot_data <- ne_counties_plot$data %>%
mutate(county = factor(county, levels = county_pops$county)) %>%
filter(day >= 0,
county %in% c("Sarpy","Douglas", "Lancaster", "Hall", "Dakota","Dawson"))
fits_data <- ne_counties_plot$fits %>%
filter(county %in% c("Sarpy","Douglas", "Lancaster", "Hall", "Dakota","Dawson"))
predictions_data <- ne_counties_plot$predictions %>%
filter(county %in% c("Sarpy","Douglas", "Lancaster", "Hall", "Dakota","Dawson"))
ggplot(data = plot_data,
mapping = aes(x = date)) +
geom_point(mapping = aes(y = active, color = county)) +
facet_wrap(~county, dir="v",
labeller = labeller(county = ne_counties_plot$facet_labels),
ncol=2, scales = "free") +
scale_y_log10() +
theme(legend.position = "none",
legend.title = element_blank()) +
geom_line(data = fits_data,
mapping = aes(y = fit, color = county),
size = 1.25) +
geom_ribbon(data = fits_data,
mapping = aes(ymin = lcl, ymax = ucl),
alpha = 0.2) +
geom_line(data = predictions_data,
mapping = aes(y = fit, color = county),
linetype = 2) +
geom_ribbon(data = predictions_data,
mapping = aes(ymin = lpl, ymax = upl),
alpha = 0.2) +
# geom_rect(data = country_data,
# mapping = aes(x = start_day, xmin = start_day, xmax = end_day, ymin = icu_beds, ymax = icu_beds * 20),
# fill = "red", alpha = 0.2) +
labs(y = "Active/recovered cases per 100,000 population",
title = paste0("Active/recovered cases by date since 20th case"),
x = paste0("Date"),
subtitle = "Solid line: exponential model; Dashed line: forecast cases with 95% prediction intervals.",
caption = "Data from NY Times Github Repository.")
There are quite a few things to see here! First, the bump upwards in cases for the entire state that I attributed to an increase in testing just at the end of March happened entirely in Douglas county (part of Omaha, for non-Nebraskans), as far as I can tell. Douglas county also had clear signs of transmission reduction, with the points after April 8 flattening off relative to the exponential growth rate estimated from the first two weeks. Sarpy county is also part of Omaha and also showed signs of flattening. However, by the 3rd week of April both counties resumed accelerating at the early pace.
Lincoln is in Lancaster county, and we clearly are not flattening the curve.
In fact the doubling time will have decreased relative to the early number of 11 days.
Douglas and Sarply counties also had long doubling times early. One possible
reason is that urban Nebraskans had already started social distancing before the 20th
case was reported. Another possibility is that even in Nebraska’s urban centers
we are not as dense.
And then there are Dakota, Hall, and Dawson counties, all with early doubling times less than four days. All three broke through 1000 cases per 100,000 people (1% incidence). All three have clearly flattened off, indicating that the outbreaks there are more under control.
That’s encouraging. However, we are about to “open up” the state, and our cases in urban counties are still accelerating. The state as a whole has not hit \(R_t < 1\) (at least as of May 11). The guidelines for opening up suggest “a downward trajectory of documented cases within a 14 day period”. There are other possible criteria, but this one we can check with the data in hand. The observation on May 10 is quite an outlier with outsized effect on the model, so we’ll slide back one day.
lincoln_data <- ne_counties_plot$data %>%
filter(county == "Lancaster",
date > "2020-04-25",
date < "2020-05-10")
lincoln_trend <- lm(incident_cases ~ day, data = lincoln_data)
summary(lincoln_trend)
##
## Call:
## lm(formula = incident_cases ~ day, data = lincoln_data)
##
## Residuals:
## Min 1Q Median 3Q Max
## -22.697 -8.870 1.234 8.130 25.613
##
## Coefficients:
## Estimate Std. Error t value Pr(>|t|)
## (Intercept) -30.1670 26.7219 -1.129 0.2810
## day 2.4484 0.9969 2.456 0.0303 *
## ---
## Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
##
## Residual standard error: 15.04 on 12 degrees of freedom
## Multiple R-squared: 0.3345, Adjusted R-squared: 0.279
## F-statistic: 6.032 on 1 and 12 DF, p-value: 0.03026
The slope estimate is positive, an average of 2.4 more cases per day over the past 14 days. This is a statistically significant result, albeit barely. However, there is arguably no evidence of a decrease in cases over the past 14 days. So, at least by this criterion, there is NO WAY we should be re-opening Lancaster county yet.
This package isn’t available on CRAN. Get it on Github.↩


How to get Enhancement Prisms in Destiny 2
Learn the best way to get more Enhancement Prisms in Destiny 2 so you can increase your armor's energy levels.
by Sam ChandlerEnhancement Prisms are one of the new types of upgrade currency introduced to Destiny 2 with Shadowkeep. Getting your hands on more Enhancement Prisms is going to be a bit tricky, time-consuming, or cost quite a lot of resources. However, if you want to start increasing the Energy rating of your armor, you’ll need a good supply.
How to get Enhancement Prisms
There are three ways to get Enhancement Prisms in Destiny 2: purchase them, unlock them, and receive them as a reward. Unfortunately, these items are almost as rare as their new sister consumable, the Ascendant Shard.
But to expand on how to get them further, the three sources are:
- Purchased from the Gunsmith
- Unlocked by leveling up the Season Pass
- Rewarded upon completing Nightfall: The Ordeal
Purchase from the Gunsmith
The first method of acquiring Enhancement Prisms is to buy them from Banshee-44 in the Tower. You will need a lot of planetary resources, as well as Enhancement Cores and Glimmer. The cost of a single prism is:
- 10 Enhancement Cores
- 25 Planetary materials
- 10,000 Glimmer
You can only hold a maximum of 10 Enhancement Prisms at a time, which is convenient as that’s exactly how many it will cost you to buy an Ascendant Shard from the Gunsmith. Buying these prisms from Banshee-44 will likely be an early-game option when you’re increasing your Power to do Nightfalls, and then a late-game option when you’re trying to bridge a gap.
Ranking up the Season Pass
Another method, which only applies to those who purchased it, is to get Enhancement Prisms from the Season Pass. You will be rewarded with a couple of prisms in the later levels of the Season Pass, so leveling up quickly is going to be important.
Nightfall: The Ordeal
The last way to get Enhancement Prisms is to complete Nightfall: The Ordeal on Legend or Master difficulty. These two are 950 and 980 Power respectively. Unfortunately, the prism is not a guaranteed reward, in fact, it’s classified as an uncommon and common reward, again, respectively.
Getting Enhancement Prisms in Destiny 2 is tough, but not as tough as Ascendant Shards. The economy of increasing your armor’s energy definitely favors stockpiling Enhancement Cores, so make sure you’re keeping a healthy supply of those. Take a look at the Destiny 2 guide for more resource gathering tips.


Police spokesperson Brigadier Mathapelo Peters said "members [of the police] responded to a complaint of a shooting, and on arrival at the scene, were informed that the deceased was approached by two unknown men who fired several shots at him".
The suspects allegedly forced the victim into a white Renault with unknown registration plates, said Peters.
After being taken to Garden City Hospital, the man was declared dead on arrival.
"The motive for the shooting is unknown and the police are appealing to anyone with information that could lead to the apprehension of the suspects to call the Booysens police," added Peters.
Alternatively, people with information are requested to call Crime Stop on<PHONE_NUMBER>.


Rap Is Therapy: Songs For Your Mental
The most therapeutic rap songs.
by Sanibel ChaiIn an age that champions self-care above all, it’s no surprise that we have a fixation with therapy. We view it as a panacea, a treatment for any and all emotions. Rage, heartbreak, fear, obsession— therapy is a means to exorcise that energy. Music, both creating and consuming it— is a longstanding medium of therapy. When you think of therapeutic music, the first thing that might come to mind is an Enya-esque sound. But that’s only the spa-hot-stone-eucalyptus-towel version of therapy.
Imagine all of the other ways you channel negativity and consider that they have a musical equivalent. This list is broken down into four categories of therapy, each aligned with a different vein of recuperation. First off, there’s the musical version of going for a long drive— music to clear your head. The next category is for matching your adrenaline and eventually exhausting you— sort of like going for a long run. Next is a breed of music that leans into explosive aggression and fury. Breaking something, throwing something, screaming-friendly music. Finally, everyone has a self-destructive impulse to make things worse when they're already bad. These are the songs for wallowing and texting your ex.
Keep reading for a mini playlist of each variety and stream your way to peace of mind.
A: Clear your head and calm down
Santiago Bluguermann/Getty Images
LISTEN: "Night Job" Bas, J. Cole
Bas’ voice always centers me. This song is the musical incarnation of being alone at 4 AM, fully awake. It has a lucid dream quality that makes it perfect for dissociating.
LISTEN: “Lost” Frank Ocean
He’s an obvious choice for this list and a necessary one. The entirety of channel ORANGE is ideal for therapeutic communion with oneself.
LISTEN: “Devastated” Joey Bada$$
Synthy and mellow. This is for perfect that phase when you’re *almost* over the person/issue you’re hung up on. It has just a touch of angst riding under a carefree façade.
LISTEN: “Family Business” Kanye West
Kanye reminds us that everyone has family issues: swallow your pride, cope, and blindly pledge your allegiance. Sometimes a reality check is just what you need to remember that your problems are far from singular.
LISTEN: "Bitch, Don't Kill My Vibe" Kendrick Lamar
This has to be the therapy theme song. The flow changes, the moodiness-- it feels like it was designed to vibe out to. Kendrick is the perfect combination of thoughtful and devil-may-care, which made it very difficult to narrow down his most therapeutic songs.
B: Accelerate your heart rate and wear yourself out
Carmen Mandato/Getty Images
LISTEN: “B-Boy Bouillabaisse” Beastie Boys
This song is pure overstimulation in the best way. It works therapeutically by distracting you with a heap of different styles and outlandish lyrics.
LISTEN: “Zanies and Fools” Chance the Rapper
I became a fan of this after seeing the SNL performance.  Sometimes it’s good to get out of your head— get lost in this song instead.
LISTEN: “Forgot About Dre” Dr. Dre, Eminem
Dr. Dre’s voice is recognizable for the controlled anger that is always right beneath the surface. It’s just enough to keep your emotions full throttle, but in check.
LISTEN: “Uproar” Lil Wayne, Swizz Beatz
Lil Wayne treads the line between nonsense and punchlines recklessly, in this song especially. The abandon with which he approaches the English language makes for excellent therapeutic listening because sometimes you need to just accept chaos as a fact of life.
LISTEN: "Push It" Kevin Gates
This is 100% the revenge training song of a movie. It's perfect for fantasizing about exacting retribution from your enemies John Wick style.
LISTEN: "DNA" Kendrick Lamar
This song will immediately up your heart rate. Kendrick's staccato delivery makes him a ringer in this category. Be careful or you'll find yourself reckless night-driving on an empty road to this entire album.
C: Lean into the rage
Hulton Archive/Getty Images
LISTEN: “Here We Go” Run-DMC
This song is not angry (none of Run-DMC’s songs really are)—but the way they rap is so aggressive it contributed DMC losing his voice. Heavily influenced by hard rock, Run-DMC’s body of work shares a ‘loud for the sake of being loud’ quality with rock ’n roll that makes it great for angry listening.
LISTEN: “Only” Nicki Minaj, Chris Brown, Lil Wayne
This is the best song to listen to in preparation for a knock-down, drag-out fight. If you’re not already in a belligerent mindset, “Only” can get you there.
LISTEN: “Renegade” Jay-Z, Eminem
Call out the hypocrisy of "society," declare yourself a rebel, be cured. This is song is tailormade for unfocused anger and general disillusionment with the world.
LISTEN: “IV. Sweatpants” Childish Gambino
Great song for a rage run. Best played at full volume. Hopefully you’ll be calm by the Fisker vroom, vroom line.
LISTEN: "Locked Up" Tee Grizzley
Grief and anger are inextricable in this song that will tear at your heart strings. With his mom and brother locked up, and his father murdered, Grizzley is swept up in violence and resentment that seem inescapable.
LISTEN: "ADHD" Joyner Lucas
Joyner has never been one to shy away from heavy subject matter. His voice conveys a raw emotion that makes it perfect for expressing the darkest parts of the human psyche.
D: Be sad on purpose
Noam Galai/Getty Images
LISTEN: “Wrong Man” Sam Lachow
This works therapeutically for both the male and female perspective.  This song glamourizes it.
LISTEN: “The Story of O.J.” Jay-Z
The sound and the message are intertwined so tightly that it’s impossible not to be consumed by the mood. There’s exhaustion, hopelessness, and wry humor in this song working together to illuminate a frightening truth about the progress we haven’t made. Jay-Z can take you somewhere raw with only a few words. Caveat emptor.
LISTEN: “There’s Alot Going On” Vic Mensa
A masterclass on how to parlay the darkness of your life into something meaningful. Being able to reflect on your mistakes and flaws honestly is something most people can’t stomach.
LISTEN: “Life’s a Bitch” Nas
Nas’ raw honesty and unflinching self-reflection ensures it will continue to be anthemic no matter how many decades pass. If you haven’t checked out his orchestra accompanied performance at the Kennedy Center, make it a priority.
LISTEN: "XanaX Damage" Future
This song oozes self-pity in the best way. Self-medicating is never the answer but listening to the universal story of an unhealthy relationship can at least make you feel less alone in your misery.
Comment below what you listen to when the going gets tough.


--- layout: page title: Awards & Research pgorder: 2 ---
Awards
|
Big PictureThe landscape and word cloud visualization of my research thrusts and PhD thesis: Here are a number of research projects that I have been working on. Power System State Estimation
Research challenges: Contributions: We propose a convexification framework based on semidefinite programming (SDP) and second-order cone programming (SOCP) relaxations to cope with inherent non-convexity of power flow (PF) and power system state estimation (PSSE) problems. We study the performance of the proposed framework in the case where the set of measurements includes: (i) nodal voltage magnitudes, and (ii) branch active power flows over a spanning tree of the network. It is shown that the SDP and SOCP relaxations both recover the true PF solution as long as the voltage angle difference across each line of the network is not too large. By capitalizing on the result for the PF problem, penalized SDP and SOCP problems are designed to solve the PSSE. Strong theoretical results are derived to quantify the optimal solution of the penalized SDP problem, which is shown to possess a dominant rank-one component formed by lifting the true voltage vector. An upper bound on the estimation error is also derived as a function of the noise power, which decreases exponentially fast as the number of measurements increases. Related paper:
Robust and Stochastic Energy Management with High-Penetration Renewables
Research challenges: Contributions: Due to its reduced communication overhead and robustness to failures, distributed energy management is of paramount importance in smart grids, especially in microgrids, which feature distributed generation (DG) and distributed storage (DS). To address the intrinsically stochastic availability of renewable energy sources (RES), a novel power scheduling approach is introduced. The approach involves the actual renewable energy as well as the energy traded with the main grid, so that the supply–demand balance is maintained. Leveraging the dual decomposition, the optimization problem formulated is solved in a distributed fashion by the local controllers of DG, DS, and dispatchable loads. Capitalizing on the conditional value-at-risk (CVaR), the novel day-ahead stochastic market clearing model is able to mitigate the potentially high risk of the recourse actions to compensate wind forecast errors. The resulting convex optimization task is tackled via a distribution-free sample average based approximation to bypass the prohibitively complex high-dimensional integration. Furthermore, to cope with possibly large-scale dispatchable loads, a fast distributed solver is developed with guaranteed convergence using the alternating direction method of multipliers (ADMM). Related papers:
Energy Data Analytics
Research challenges: Contributions: The smart grid vision entails advanced information technology and data analytics to enhance the efficiency, sustainability, and economics of the power grid infrastructure. Aligned to this end, modern statistical learning tools are leveraged for electricity market inference. Day-ahead price forecasting is cast as a low-rank kernel learning problem. Uniquely exploiting the market clearing process, congestion patterns are modeled as rank-one components in the matrix of spatio-temporally varying prices. Through a novel nuclear norm-based regularization, kernels across pricing nodes and hours can be systematically selected. Even though market-wide forecasting is beneficial from a learning perspective, it involves processing high-dimensional market data. The latter becomes possible after devising a block-coordinate descent algorithm for solving the non-convex optimization problem involved. The algorithm utilizes results from block-sparse vector recovery and is guaranteed to converge to a stationary point. Related papers:
Big Data Sketching
Research challenges: Abstract: Data reduction for large-scale linear regression is one of the most important tasks in this era of data deluge. Exact model information is however not often available for big data analytics. We propose a framework for big data sketching (i.e., a data reduction tool) that is robust to possible model mismatch. Such a sketching task is cast as a Boolean min-max optimization problem, and then equivalently reduced to a Boolean minimization program. Capitalizing on the block coordinate descent algorithm, a scalable solver is developed to yield an efficient sampler and a good estimate of the unknown regression coefficient. Related paper:
Optimal Resource Allocation for Green Communications and Geo-Distributed Data Centers
Research challenges: Contributions: We develop dynamic energy management for smart-grid powered coordinated multi-point (CoMP) transmissions. To address the intrinsic variability of renewable energy sources, a novel energy transaction mechanism is introduced for grid-connected base stations that are also equipped with an energy storage unit. Aiming to minimize the expected energy transaction cost while guaranteeing the worst-case users’ quality of service, an infinite-horizon optimization problem is formulated to obtain the optimal downlink transmit beamformers that are robust to channel uncertainties. Capitalizing on the virtual-queue based relaxation technique and the stochastic dual-subgradient method, an efficient online algorithm is developed yielding a feasible and asymptotically optimal solution. A large number of geo-distributed data centers begin to surge in the era of data deluge and information explosion. To meet the growing demand in massive data processing, the infrastructure of future data centers must be energy-efficient and sustainable. Facing this challenge, a systematic framework is put forth to integrate renewable energy sources (RES), distributed storage units, cooling facilities, as well as dynamic pricing into the workload and energy management tasks of a data center network. To cope with RES uncertainty, the resource allocation task is formulated as a robust optimization problem minimizing the worst-case net cost. Related papers:
Optimal Transceiver Design for Wireless Communication Networks
Research challenges: Abstract: We optimize the design of transmit- and receive-beamformers for ad hoc CR networks when CR-to-CR channels are known, but CR-to-PU channels cannot be estimated accurately. Capitalizing on a norm-bounded channel uncertainty model, the optimal beamforming
design is formulated to minimize the overall mean-square
error (MSE) from all data streams, while enforcing protection
of the PU system when the CR-to-PU channels are uncertain.
Even though the resultant optimization problem is non-convex,
algorithms with provable convergence to stationary points are
developed by resorting to block coordinate ascent iterations,
along with suitable convex approximation techniques. Enticingly,
the novel schemes also lend themselves naturally to distributed
implementations.
Related papers:
|


Grumpiconfig saved in localStorage. Reset to factory setting.
localStorage
See the grunticon options for the deets.
* colors must be set before dropping SVGs.


{% extends "boh/organization/settings/base_settings.html" %} {% load i18n %} {% block title %}{{ organization.name }} | {% trans 'Settings' %} | {% trans 'Danger Zone' %}{% endblock %} {% block settings_content %}
{% trans 'Once you delete an organization, there is no going back. Please be certain.' %}


{% extends "auctions/layout.html" %} {% load static %} {% block body %}
{{ listing.description }}
{{ message }}
{{ comment.content }}, commented by {{ comment.user }}
No comments present for this listing...
This auction is closed by the creator.
{% if is_auction_winner %}You have won this auction...
{% endif %}


Type definition for data generated by WaterDropDataGenerator.
Multidimensional number Array, where intensity value at given row & column can be accessed by:
const intensity = WaterDropData[ row ][ column ]
Create a new Delta function generator with default values. The generator creates flat progressive data with random spikes.
Create a new OHLC data generator with default values. The generator creates random OHLC data.
Create a new Parametric Function generator with default values.
The generator samples a given X and Y functions for each t
step in the start - end range.
Create a new Progressive Function generator with default values. The generator samples a given function x times between given X range.
Create a new Progressive Random Generator with default values. The generator creates random data on Y-axis with progressive X-axis.
Create a new Progressive Trace generator with default values. The generator creates random data with progressive X axis and random Y axis.
Create a new Sampled data generator with default values. The generator samples the given input data array at specific frequency.
Data type for the data that the generator samples.
Create a new Spectrum Data Generator with default values.
Create a new Trace generator with default values. The generator creates random XY data where each point is based on previous point.
Create a new WaterDropDataGenerator with default values.
Create a new White noise generator with default values. The generator creates white noise between -1 and 1.
OHLC data timestamp, open, high, low, close


|
libsir 2.2.2
Standard Incident Reporter
|
‑g3
on most platforms.x64
and arm64
configurationsprintf(RED("Oh lawd, something " ULINE("awful") " has happened!\n");
‑‑list
: lists all the available tests‑‑only
: only run the specified tests‑‑leave‑logs
: leave log files behind for examination‑‑wait
: wait for keypress before exiting‑‑perf
: runs the performance benchmark test (normally skipped)‑‑version
: shows the version of libsir the test suite was built with.SIR_ASSERT_ENABLED
: if defined, libsir calls assert
(note that if ‑DNDEBUG
is present, this becomes a NOOP). If not defined and SIR_SELFLOG=1
, libsir writes a red message to stderr containing the condition that would have asserted, along with the file, line, and function. This allows for fine‑grain control over assertions.SIR_NO_SYSTEM_LOGGERS
: if defined, system logger support is completely disabled/compiled out. The entry points still exist, but they will return an error that the feature is disabled or unavailable.SIR_NO_PLUGINS
: The same as SIR_NO_SYSTEM_LOGGERS
, but for the plugin system.


{% import 'partials/section.html' as section %} {% extends "layouts/_onecol.html" %} {% block page_title %}Messages - ONS Business Surveys{% endblock %} {% block main %} {% include "partials/tab_list.html" %}


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During its 24th close flyby of Jupiter, NASA's Juno spacecraft captured this view of a chaotic, stormy area of the planet's northern hemisphere known as a folded filamentary region. Jupiter has no solid surface in the same way Earth does. Data collected by Juno indicate that some of the giant planet's winds run deeper and last longer than similar atmospheric processes on Earth.
sourceiss061e150268 (Jan. 31, 2020) --- The Cygnus space freighter from Northrop Grumman is pictured departing the vicinity of the International Space Station after its release from the Canadarm2 robotic arm. Cygnus had completed an 88-day stay attached to the Unity module after delivering nearly 8,200 pounds of research and supplies to space station on Nov. 4, 2019.
sourceJust 15 minutes after its closest approach to Pluto on July 14, 2015, NASA’s New Horizons spacecraft looked back toward the sun and captured this near-sunset view of the rugged, icy mountains and flat ice plains extending to Pluto’s horizon. The smooth expanse of the informally named icy plain Sputnik Planum (right) is flanked to the west (left) by rugged mountains up to 11,000 feet (3,500 meters) high, including the informally named Norgay Montes in the foreground and Hillary Montes on the skyline. To the right, east of Sputnik, rougher terrain is cut by apparent glaciers. The backlighting highlights over a dozen layers of haze in Pluto’s tenuous but distended atmosphere. The image was taken from a distance of 11,000 miles (18,000 kilometers) to Pluto; the scene is 780 miles (1,250 kilometers) wide.
source


Ask your spouse if you can begin praying together. Talk about the best time to do this, whether it’s in the morning, your lunch hour, or before bedtime.  Don’t forget to thank Him for His provision and blessing. Even if your spouse refuses to do this, resolve to spend this daily time in prayer yourself.


Prince Andrew to step back from public duties
by Royal FamilyROYAL COMMUNICATIONS
Statement by His Royal Highness The Duke of York KG
It has become clear to me over the last few days that the circumstances relating to my former association with Jeffrey Epstein has become a major disruption to my family's work and the valuable work going on in the many organisations and charities that I am proud to support.
Therefore, I have asked Her Majesty if I may step back from public duties for the foreseeable future, and she has given her permission.
I continue to unequivocally regret my ill-judged association with Jeffrey Epstein. His suicide has left many unanswered questions, particularly for his victims, and I deeply sympathise with everyone who has been affected and wants some form of closure. I can only hope that, in time, they will be able to rebuild their lives. Of course, I am willing to help any appropriate law enforcement agency with their investigations, if required.
Wednesday 20th November, 2019


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All our vegetables are fresh, organic and local. Animals are raised without added hormones or antibiotics. Good for your health, the environment, and it also tastes better!
We don't limit your creativity, which means you can order whatever you feel like. You can also choose from our menu containing over 100 delicious meals. It's up to you!
Omnifood is just awesome! I just launched a startup which leaves me with no time for cooking, so Omnifood is a life-saver. Now that I got used to it, I couldn't live without my daily meals!
Inexpensive, healthy and great-tasting meals, delivered right to my home. We have lots of food delivery here in Lisbon, but no one comes even close to Omifood. Me and my family are so in love!
I was looking for a quick and easy food delivery service in San Franciso. I tried a lot of them and ended up with Omnifood. Best food delivery service in the Bay Area. Keep up the great work!
$399 / month
That’s only 13.30$ per meal
$149 / month
That’s only 14.90$ per meal
$19 / meal


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