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How to create module-wide variables in Python? [duplicate]

... Here is what is going on. First, the only global variables Python really has are module-scoped variables. You cannot make a variable that is truly global; all you can do is make a variable in a particular scope. (If you make a variable inside the Python interpreter, and then import other mo...
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Two way/reverse map [duplicate]

... 1 >>> del d['foo'] >>> d['bar'] Traceback (most recent call last): File "<stdin>", line 7, in <module> KeyError: 'bar' I'm sure I didn't cover all the cases, but that should get you started. ...
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Bad value X-UA-Compatible for attribute http-equiv on element meta

...tion that states: "The following proposed extensions do not yet conform to all the registration requirements in the HTML spec and are therefore not yet allowed in valid documents." So the validator is correct to reject this value. ...
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What are the details of “Objective-C Literals” mentioned in the Xcode 4.4 release notes?

...ew ObjC literals were discussed in multiple WWDC 2012 sessions. I intentionally didn't remove the the filenames and the time of each slide so you can find them for yourself if you feel like. They are essentially the same thing as stated in this post, but there are also a few new things that I'll me...
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Natural Sort Order in C#

... @linquize - He said .NET not Mono, so Linux/OSX isn't really a concern. Windows Phone/Metro didn't exist in 2008 when this answer was posted. And how often do you do file operations in Silverlight? So for the OP, and probably most other people, it was a suitable answer. In any cas...
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Max or Default?

...wiggering the spacklerorke, and riding the flying unicorn to Neverland are all meaningless, impossible, undefined. Now, what is it that you actually want to do? share | improve this answer ...
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C++ convert hex string to signed integer

...>> x; // output it as a signed type std::cout << static_cast<int>(x) << std::endl; } In the new C++11 standard, there are a few new utility functions which you can make use of! specifically, there is a family of "string to number" functions (http://en.cppreference.c...
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Disable a method in a ViewSet, django-rest-framework

...ethods but I did not able to find out how to disable the PATCH method specially if you are using routers. – Muneeb Ahmad Mar 31 '15 at 14:56 3 ...
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Python: Find in list

...e which suffers from inaccuracy. As for your second question: There's actually several possible ways if "finding" things in lists. Checking if something is inside This is the use case you describe: Checking whether something is inside a list or not. As you know, you can use the in operator for th...
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How to avoid isset() and empty()

... For those interested, I have expanded this topic into a small article, which provides the below information in a somewhat better structured form: The Definitive Guide To PHP's isset And empty IMHO you should think about not just making the app "E_NOTICE compatible", but restructu...