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In Python, how do I indicate I'm overriding a method?

... Based on this and fwc:s answer I created a pip installable package https://github.com/mkorpela/overrides From time to time I end up here looking at this question. Mainly this happens after (again) seeing the same bug in our code base: Someone has forgotten some "interface" i...
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Inject errors into already validated form?

...external) process for further processing. This external process can potentially find further errors in the values. 4 Answer...
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Blocks on Swift (animateWithDuration:animations:completion:)

... dat completion block syntax :( – Chris Allinson Sep 25 '16 at 0:19 add a comment  |  ...
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How to shuffle a std::vector?

...n Coliru Make sure to reuse the same instance of rng throughout multiple calls to std::shuffle if you intend to generate different permutations every time! Moreover, if you want your program to create different sequences of shuffles each time it is run, you can seed the constructor of the random e...
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Python argparse ignore unrecognised arguments

Optparse, the old version just ignores all unrecognised arguments and carries on. In most situations, this isn't ideal and was changed in argparse. But there are a few situations where you want to ignore any unrecognised arguments and parse the ones you've specified. ...
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Comparing strings with == which are declared final in Java

...nal and initialized with a compile-time constant expression (§15.28), is called a constant variable. Also from JLS §15.28 - Constant Expression: Compile-time constant expressions of type String are always "interned" so as to share unique instances, using the method String#intern(). This ...
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Determine the line of code that causes a segmentation fault?

...e tutorial to get you started with GDB. Where the segfault occurs is generally only a clue as to where "the mistake which causes" it is in the code. The given location is not necessarily where the problem resides. share ...
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What is a mixin, and why are they useful?

... Probably not an issue in this example, but you generally want to put the main base class as the last element within the parenthesis so to create the inheritance chain: Request==>Mixin==>...==>BaseRequest. See here: ianlewis.org/en/mixins-and-python ...
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A python class that acts like dict

...er) instead of simply delegating to the instance's __dict__ - which essentially means you're creating two dicts for every instance. – Aaron Hall♦ Jan 8 '17 at 0:39 8 ...
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Installing Google Protocol Buffers on mac

I would like to install the older version of Google Protocol Buffers (protobuf-2.4.1) on mac using Terminal command line. I tried with brew install protobuf , but the latest version 2.5.0 has been installed. Is it possible to install the older version from terminal. ...