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Why is require_once so bad to use?

...system keeps a log of what's already been included/required. Every *_once call means checking that log. So there's definitely some extra work being done there but enough to detriment the speed of the whole app? ... I really doubt it... Not unless you're on really old hardware or doing it a lot. I...
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What is an alternative to execfile in Python 3?

It seems they canceled in Python 3 all the easy way to quickly load a script by removing execfile() 12 Answers ...
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Difference between except: and except Exception as e: in Python

... print e.message, e.args ... >>> catch() Traceback (most recent call last): File "<stdin>", line 1, in <module> File "<stdin>", line 3, in catch BaseException Which a bare except does: >>> def catch(): ... try: ... raise BaseException() ... ...
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How to assign colors to categorical variables in ggplot2 that have stable mapping?

...maintain consistent color schemes across multiple data frames that are not all obtained by subsetting a single large data frame. Managing the factors levels in multiple data frames can become tedious if they are being pulled from separate files and not all factor levels appear in each file. One way...
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Reset C int array to zero : the fastest way?

... long long int or unsigned long long int, what is the fastest way to reset all its content to zero (not only for initialization but to reset the content several times in my program)? Maybe with memset? ...
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How do I get the path of the current executed file in Python?

...ike a newbie question, but it is not. Some common approaches don't work in all cases: 13 Answers ...
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AngularJS: Service vs provider vs factory

...get(). The constructor function is instantiated before the $get method is called - ProviderFunction is the function reference passed to module.provider. Providers have the advantage that they can be configured during the module configuration phase. See here for the provided code. Here's a great fur...
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“Private” (implementation) class in Python

I am coding a small Python module composed of two parts: 7 Answers 7 ...
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Is the list of Python reserved words and builtins available in a library?

...break', 'class', 'continue', 'def', 'del', 'elif', 'else', 'except', 'finally', 'for', 'from', 'global', 'if', 'import', 'in', 'is', 'lambda', 'nonlocal', 'not', 'or', 'pass', 'raise', 'return', 'try', 'while', 'with', 'yield'] If you want to include built-in names as well (Python 3), then c...
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How do I profile memory usage in Python?

... This one has been answered already here: Python memory profiler Basically you do something like that (cited from Guppy-PE): >>> from guppy import hpy; h=hpy() >>> h.heap() Partition of a set of 48477 objects. Total size = 3265516 bytes. Index Count % Size % Cumulat...