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Find current directory and file's directory [duplicate]

...tive to the current working directory and is not changed by an os.chdir() call.) To get the current working directory use import os cwd = os.getcwd() Documentation references for the modules, constants and functions used above: The os and os.path modules. The __file__ constant os.path.rea...
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TypeScript static classes

...hat cannot be subclassed and must contain only static methods. C# does not allow one to define functions outside of classes. In TypeScript this is possible, however. If you're looking for a way to put your functions/methods in a namespace (i.e. not global), you could consider using TypeScript's mod...
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Is there a generator version of `string.split()` in Python?

...plitlines chops off the trainling newline though (something that I don't really like...); if you wanted to replicated that part of the behavior, you could use grouping: (m.group(2) or m.group(3) for m in re.finditer('((.*)\n|(.+)$)', s)). PS: I guess the outer paren in the RE are not needed; I just ...
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Read-only and non-computed variable properties in Swift

...g in Objective-C. I have readonly properties, and they cannot be individually changed. However, using a specific method, the properties are changed in a logical way. ...
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What are some (concrete) use-cases for metaclasses?

...a couple functions I found that I was able to increment the figure count, call draw manually, etc, but I needed to do these before and after every plotting call. So to create both an interactive plotting wrapper and an offscreen plotting wrapper, I found it was more efficient to do this via metacla...
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Understanding the main method of python [duplicate]

...n other programs, and also include code to evaluate only when the file is called as a standalone script. It's important to understand that all of the code above the if __name__ line is being executed, evaluated, in both cases. It's evaluated by the interpreter when the file is imported or when it'...
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C# Sortable collection which allows duplicate keys

... Use this Comparer e.g. with SortedLists or SortedDictionaries, that don't allow duplicate keys /// </summary> /// <typeparam name="TKey"></typeparam> public class DuplicateKeyComparer<TKey> : IComparer<TKey> where TKey : IComparable { #...
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Split a string by a delimiter in python

... @EndenDragon The for loop will automatically apply x.strip() and return a list of matches without whitespace on either side. The devil is in the details. – Sébastien Vercammen Jun 29 '16 at 13:59 ...
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When do we need curly braces around shell variables?

...xpand the variable identified by foobar. Curly braces are also unconditionally required when: expanding array elements, as in ${array[42]} using parameter expansion operations, as in ${filename%.*} (remove extension) expanding positional parameters beyond 9: "$8 $9 ${10} ${11}" Doing this every...
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Why is TypedReference behind the scenes? It's so fast and safe… almost magical!

...ecification, the constructs used to implement them under the hood (vararg calling convention, TypedReference type, arglist, refanytype, mkanyref, and refanyval instructions) are perfectly documented in the CLI Specification (ECMA-335) in the Vararg library. Being defined in the Vararg Library makes ...