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Initialise a list to a specific length in Python [duplicate]
...th [['' for i in range(5)] for j in range(5)] instead of >>> card_strings = [['']*5]*5 >>> card_strings[0][0] = "Well that was unexpected..."
– RobotHumans
Sep 19 '15 at 9:18
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How can I embed a YouTube video on GitHub wiki pages?
...Everything Is AWESOME")
Clear Advantages
While this requires a couple of extra steps (a) taking the screenshot of the video and (b) uploading it so you can use the image as your thumbnail it does have 3 clear advantages:
The person reading your markdown (or resulting html page) has a visual cue t...
List all base classes in a hierarchy of given class?
...ass Foo (whether it is a new-style class or not), how do you generate all the base classes - anywhere in the inheritance hierarchy - it issubclass of?
...
What does threadsafe mean?
... the definition of thread safety as found of Wikipedia.
3 important things extracted from the links :
“A piece of code is thread-safe if it functions correctly during
simultaneous execution by multiple threads.”
“In particular, it must satisfy the need for multiple threads to
access the same ...
REST URI convention - Singular or plural name of resource while creating it
...rs like the linguistic correctness of saying "get resource #123", but it's extra coding hassle when writing clients of the API as well as help documentation. (GET /api/people vs. GET /api/person/123? euuuchh.) .... instead of thinking of it like "get resource #123", phrase it in your head like "ge...
querySelector search immediate children
...an ID, and if not, they temporarily add an ID, then create a full selector string.
Basically you'd do:
var sel = '> someselector';
var hadId = true;
if( !elem.id ) {
hadID = false;
elem.id = 'some_unique_value';
}
sel = '#' + elem.id + sel;
var result = document.querySelectorAll( sel ...
Javascript: How to detect if browser window is scrolled to bottom?
..., and hence the condition does not get triggered. Not sure why, had to add extra few px to make it work.
– Sharjeel Ahmed
Apr 27 '17 at 11:34
3
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Pros and Cons of Interface constants [closed]
...s wouldn't include any constants or conditionals or magic-numbers or magic-strings or hard-coded anything. However, that adds additional time to the development, as you must consider the uses. My view is that most times it's absolutely worth taking the additional time to build a great solid design...
How to write a UTF-8 file with Java?
...(
new FileOutputStream("outfilename"), "UTF-8"));
try {
out.write(aString);
} finally {
out.close();
}
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Regular expression for first and last name
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Your regex fail on 2 characters string. I think this fixed it ^[\w'\-,.]*[^_!¡?÷?¿\/\\+=@#$%ˆ&*(){}|~<>;:[\]]*$
– TKA
Aug 8 '19 at 19:23
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