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How do you create different variable names while in a loop? [duplicate]

...can do this is with exec(). For example: for k in range(5): exec(f'cat_{k} = k*2') >>> print(cat_0) 0 >>> print(cat_1) 2 >>> print(cat_2) 4 >>> print(cat_3) 6 >>> print(cat_4) 8 Here I am taking advantage of the handy f string formatting in Pytho...
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Using Enum values as String literals

... You can't. I think you have FOUR options here. All four offer a solution but with a slightly different approach... Option One: use the built-in name() on an enum. This is perfectly fine if you don't need any special naming format. String name = Modes.mode1.name(); /...
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jasmine: Async callback was not invoked within timeout specified by jasmine.DEFAULT_TIMEOUT_INTERVAL

I have an angular service called requestNotificationChannel : 17 Answers 17 ...
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How to pretty print XML from Java?

... Back in 2008 this was a good answer, but now this can all be done with standard JDK classes rather than Apache classes. See xerces.apache.org/xerces2-j/faq-general.html#faq-6. Yes this is a Xerces FAQ but the answer covers standard JDK classes. The initial 1.5 implementation of ...
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How do I write unit tests in PHP? [closed]

... might need to adjust path if not in the same dir $bar = 'Hello World'; var_dump(foo($bar)); ?> --EXPECT-- string(11) "Hello World" In a nutshell, we provide the parameter $bar with value "Hello World" and we var_dump() the response of the function call to foo(). To run this test, use: pear ru...
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Best practice using NSLocalizedString

I'm (like all others) using NSLocalizedString to localize my app. 9 Answers 9 ...
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File Upload using AngularJS

...er browsers: https://github.com/leon/angular-upload - uses iframes as a fallback https://github.com/danialfarid/ng-file-upload - uses FileAPI/Flash as a fallback And some other options: https://github.com/nervgh/angular-file-upload/ https://github.com/uor/angular-file https://github.com/twilso...
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Is there a Python function to determine which quarter of the year a date is in?

...ond quarter, etc -- add 1 if you need to count from 1 instead;-). Originally two answers, multiply upvoted and even originally accepted (both currently deleted), were buggy -- not doing the -1 before the division, and dividing by 4 instead of 3. Since .month goes 1 to 12, it's easy to check for ...
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What is a “translation unit” in C++

... A translation unit is for all intents and purposes a file (.c/.cpp), after it's finished including all of the header files. http://msdn.microsoft.com/en-us/library/bxss3ska%28VS.80%29.aspx ...
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How to delete a row by reference in data.table?

...nce yet. data.table can add and delete columns by reference since it over-allocates the vector of column pointers, as you know. The plan is to do something similar for rows and allow fast insert and delete. A row delete would use memmove in C to budge up the items (in each and every column) after t...