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Is recursion a feature in and of itself?

...code itself, but rather in the code the compiler created). In Java, C, and Python, recursion is fairly expensive compared to iteration (in general) because it requires the allocation of a new stack frame. Not to mention you can get a stack overflow exception if the input is not valid too many times....
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What's the difference between SCSS and Sass?

...es even in the same project. SASS pro cleaner - if you are coming from Python, Ruby (you can even write props with symbol-like syntax) or even the CoffeeScript world, it will come very natural to you - writing mixins, functions and generally any reusable stuff in .sass is much 'easier' and reada...
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Is there a way to auto-adjust Excel column widths with pandas.ExcelWriter?

...das and xlsxwriter you can do your task, below code will perfectly work in Python 3.x. For more details on working with XlsxWriter with pandas this link might be useful https://xlsxwriter.readthedocs.io/working_with_pandas.html import pandas as pd writer = pd.ExcelWriter(excel_file_path, engine='xl...
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What does “coalgebra” mean in the context of programming?

...ct itself as their first argument. This is just like the self parameter in Python and like the implicit this of many other languages. A coalgebra essentially just encapsulates the behavior of taking a self parameter: that's what the first C in C → F C is. So let's put it all together. Let's imagi...
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Differences between Perl and PHP [closed]

... Perl is used plenty for websites, no less than Python and Ruby for example. That said, PHP is used way more often than any of those. I think the most important factors in that are PHP's ease of deployment and the ease to start with it. The differences in syntax are too m...
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How to store standard error in a variable

...only to stderr, the simple way to capture it is, for example PY_VERSION="$(python --version 2>&1)" – John Mark Jul 10 '18 at 17:13 ...
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Mercurial for Beginners: The Definitive Practical Guide

...u don't need any syntax marker. You can add comments with # Example: # python temporary files syntax: glob *.pyc #editor autosaves *~ # temporary data syntax: regexp temp Ignore only applies to unmanaged files (i.e. files that are not already checked in). To ignore files that are under versi...
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How to shorten my conditional statements

... This idiom is definitely not common in languages like C#, Java, or Python, which are my areas of expertise. And I just asked a few of the local Javascript experts here, and none of them have ever seen it done before; so it is clearly not as common as you claim. It should always be avoided ...
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What's the yield keyword in JavaScript?

...d of future you are returning. The detail is long: GvR explains it for the Python implementation, upon which the Javascript implementation is modeled. Using function * will always be right, though in some cases slightly more overhead than function with yield. – bishop ...
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How do I base64 encode (decode) in C?

... @schulwitz I have a file that is encoded as a string using python, but when i decode the string using your function and try to write the decoded result to a file(in C) i don't get the same file back. The encoded string is correct. ``` const unsigned char *jarFile = "<encoded file&...