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What is a mixin, and why are they useful?
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A mixin is a special kind of multiple inheritance. There are two main situations where mixins are used:
You want to provide a lot of optional features for a class.
You want to use one particular feature in a lot of different classes.
For an example of number one,...
How to make a cross-module variable?
The __debug__ variable is handy in part because it affects every module. If I want to create another variable that works the same way, how would I do it?
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How to sort a list of objects based on an attribute of the objects?
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edited Sep 9 '19 at 12:57
Dorian Turba
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Relative paths in Python
...ored. I do have a relative path from the script but when I call the script it treats that as a path relative to the current working directory. Is there a way to specify that this relative url is from the location of the script instead?
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Import a module from a relative path
How do I import a Python module given its relative path?
22 Answers
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Why aren't python nested functions called closures?
I have seen and used nested functions in Python, and they match the definition of a closure. So why are they called nested functions instead of closures ?
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Among $_REQUEST, $_GET and $_POST which one is the fastest?
...ST, by default, contains the contents of $_GET, $_POST and $_COOKIE.
But it's only a default, which depends on variables_order ; and not sure you want to work with cookies.
If I had to choose, I would probably not use $_REQUEST, and I would choose $_GET or $_POST -- depending on what my applicati...
Is there any difference between __DIR__ and dirname(__FILE__) in PHP?
It looks the same for me,but I'm not sure,
1 Answer
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Are nested try/except blocks in python a good programming practice?
I'm writing my own container, which needs to give access to a dictionary inside by attribute calls. The typical use of the container would be like this:
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unique object identifier in javascript
...in javascript, so I can see if they are the same. I don't want to use equality operators, I need something like the id() function in python.
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