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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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Rails raw SQL example

... and then you'd need to call values on this PG::Result object to get the results array – jobwat Mar 26 '14 at 1:00 3 ...
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What is the most efficient string concatenation method in python?

... idiomatic and thus easier for other python programmers to understand. Finally, the golden rule of optimization: don't optimize unless you know you need to, and measure rather than guessing. You can measure different methods using the timeit module. That can tell you which is fastest, instead of r...
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What are the differences between numpy arrays and matrices? Which one should I use?

...ted/numpy.matrix.html As other answers already state that you can achieve all the operations with NumPy arrays. share | improve this answer | follow | ...
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How to convert an xml string to a dictionary?

... first two tags # in a series are different, then they are all different. if len(element) == 1 or element[0].tag != element[1].tag: aDict = XmlDictConfig(element) # treat like list - we assume that if the first two tags ...
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What are the calling conventions for UNIX & Linux system calls (and user-space functions) on i386 an

Following links explain x86-32 system call conventions for both UNIX (BSD flavor) & Linux: 4 Answers ...
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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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How to limit the maximum value of a numeric field in a Django model?

...ormer can be restricted to the number of decimal places stored and the overall number of characters stored, is there any way to restrict it to storing only numbers within a certain range, e.g. 0.0-5.0 ? ...
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Is there a way to crack the password on an Excel VBA Project?

...y best to explain how it works - please excuse my English. The VBE will call a system function to create the password dialog box. If user enters the right password and click OK, this function returns 1. If user enters the wrong password or click Cancel, this function returns 0. After the dialog bo...
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Checking a Python module version at runtime

...s have an attribute which holds the version information for the module (usually something like module.VERSION or module.__version__ ), however some do not. ...