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What is the 'cls' variable used for in Python classes?

... Thank you for the Java reference, now understand. – Edenshaw Feb 10 at 22:29 ...
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.gitignore exclude files in directory but not certain directories

...le in each directory will get added -- but this means the directories will now be tracked (i.e., created when cloning). share | improve this answer | follow | ...
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Why cast an unused function parameter value to void?

...For example if you do have the following statement: ud; This warning is now suppressed. However now GCC will produce another warning: unused.c:5:5: warning: statement with no effect [-Wunused-value] ud; ^~ This warning tells that the statement ud;, while being syntactically valid C, ...
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How to configure git push to automatically set upstream without -u?

... You can now do git config --global push.default current. – Andrea Bergonzo Feb 12 '18 at 23:03 2 ...
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Unique (non-repeating) random numbers in O(1)?

...er at the position r with the number at position max and return the number now at position max. Decrement max by 1 and continue. When max is 0, set max back to the size of the array - 1 and start again without the need to reinitialize the array. Update: Although I came up with this method on my o...
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Tell Ruby Program to Wait some amount of time

... I find until very useful with sleep. example: > time = Time.now > sleep 2.seconds until Time.now > time + 10.seconds # breaks when true share | improve this answer | ...
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vector::at vs. vector::operator[]

I know that at() is slower than [] because of its boundary checking, which is also discussed in similar questions like C++ Vector at/[] operator speed or ::std::vector::at() vs operator[] << surprising results!! 5 to 10 times slower/faster! . I just don't understand what the at() met...
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difference between Product Backlog Item and Feature in Team Foundation work item types

...klog Item and then break it down into tasks for your sprint. If you think/know that the new work item won't fit into a single sprint you should create a Feature and identify all the value-providing sprint sized items (Product Backlog Items) that the Feature can be broken down into and use these when...
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What's the best CRLF (carriage return, line feed) handling strategy with Git?

...nd thus The advantage of this is that your end of line configuration now travels with your repository and you don't need to worry about whether or not collaborators have the proper global settings. Here's an example of a .gitattributes file # Auto detect text files and perform LF normal...
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Can someone explain in simple terms to me what a directed acyclic graph is?

...uried in complex terminology (if we're asking this question, we might not know graph theory... or even need to know). My variant would be something like "bar-hopping where you can never go to the same bar twice". Although the family-tree example from another answer is probably conceptually simpler...