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Python group by
...AT'), ('5594916', 'ETH'), ('1550003', 'ETH')]
input.sort(key=sortkeyfn)
Now input looks like:
[('5238761', 'ETH'), ('5349618', 'ETH'), ('962142', 'ETH'), ('7795297', 'ETH'),
('7341464', 'ETH'), ('5594916', 'ETH'), ('1550003', 'ETH'), ('11013331', 'KAT'),
('9843236', 'KAT'), ('9085267', 'NOT'),...
When to use self over $this?
...I did get some more information that I found helpful further down, but for now I was just trying to figure out why I hit my class attributes with $this->attrib and the class constants with self::constant. This helped me understand that better
– MydKnight
Jul...
How to programmatically display version/build number of target in iOS app?
...
Do you know if there are there any string constants for @"CFBundleShortVersionString" and @"CFBundleVersion" ?
– igrek
Oct 15 '15 at 7:36
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What is the leading LINQ for JavaScript library? [closed]
...given over 3 years ago, and things have definitely changed, and linq.js is now way ahead of what it was back then. At the time, I believed rx.js was the best bet for doing LINQ operations with JS, as the other libraries were not great or incomplete and RX had fulltime developers working on it. Als...
How to order events bound with jQuery
...ks - the script I write may be found in one of those blocks, but I do not know which one, that is handled by the controller.
...
Why is TypedReference behind the scenes? It's so fast and safe… almost magical!
...ng of a couple of places in my own code that I'm going to go look at right now, to see if I can optimize them using the techniques you pointed out.
– P Daddy
Jan 22 '11 at 16:15
1
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How to convert NSDate into unix timestamp iphone sdk?
...e number of seconds from 1970 till the point in time you want to specify ("now" in this case). If you change the time on your iPad, you effectively change "now" to some other time and hence the difference in the time stamps.
– marsbear
Nov 29 '16 at 17:50
...
In Docker, what's the difference between a container and an image? [duplicate]
...n srv sys tmp usr var
root@abf181be4379:/# exit
But, the container, now no longer running, has state and can be saved (committed) to an image.
$ docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS ...
How to update Python?
...
UPDATE: 2018-07-06
This post is now nearly 5 years old! Python-2.7 will stop receiving official updates from python.org in 2020. Also, Python-3.7 has been released. Check out Python-Future on how to make your Python-2 code compatible with Python-3. For upda...
How to force GitHub Pages build?
...\System32\bash.exe" -c " \"./$(grep -oE '[^\\]+$' <<< '%L')\";"
Now double-click the script wheneven you want to rebuild your GitHub page. Done!
If you use Linux/Mac, running the script is as same as running other scripts. Done!
Additional notes for the solution:
This solution utilize...