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Should import statements always be at the top of a module?

...ary support. If your code has multiple paths that use different libraries, don't break if an optional library is not installed. In the __init__.py of a plugin, which might be imported but not actually used. Examples are Bazaar plugins, which use bzrlib's lazy-loading framework. ...
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How to find all the subclasses of a class given its name?

...Bar'>, <class '__main__.Baz'>] Confirmation that the subclasses do indeed list Foo as their base: for cls in Foo.__subclasses__(): print(cls.__base__) # <class '__main__.Foo'> # <class '__main__.Foo'> Note if you want subsubclasses, you'll have to recurse: def all_subc...
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PHP cURL vs file_get_contents

How do these two pieces of code differ when accessing a REST API? 3 Answers 3 ...
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What is the correct way to start a mongod service on linux / OS X?

I've installed mongodb and have been able to run it, work with it, do simple DB read / write type stuff. Now I'm trying to set up my Mac to run mongod as a service. ...
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Download single files from GitHub

...ss most of you, developers, use any VCS , and I hope some of you use Git. Do you have any tip or trick how to get a download URL for a single file in a repository? ...
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What does “where T : class, new()” mean?

... parameter-less default constructor. That means T can't be an int, float, double, DateTime or any other struct (value type). It could be a string, or any other custom reference type, as long as it has a default or parameter-less constructor. ...
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Does JavaScript have the interface type (such as Java's 'interface')?

I'm learning how to make OOP with JavaScript . Does it have the interface concept (such as Java's interface )? 13 Answer...
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Why use prefixes on member variables in C++ classes

... But they are ok as member variable names. I don't prefix underscores, because the rules are too confusing, and I had gotten burned in the past. – Juan Aug 4 '09 at 15:40 ...
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Chain-calling parent initialisers in python [duplicate]

... The way you are doing it is indeed the recommended one (for Python 2.x). The issue of whether the class is passed explicitly to super is a matter of style rather than functionality. Passing the class to super fits in with Python's philosop...
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How can I convert a string to boolean in JavaScript?

... Do: var isTrueSet = (myValue == 'true'); You could make it stricter by using the identity operator (===), which doesn't make any implicit type conversions when the compared variables have different types, instead of the eq...