大约有 40,000 项符合查询结果(耗时:0.0505秒) [XML]

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How to convert an enum type variable to a string?

... There really is no beautiful way of doing this. Just set up an array of strings indexed by the enum. If you do a lot of output, you can define an operator<< that takes an enum parameter and does the lookup for you. ...
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Can I install Python windows packages into virtualenvs?

Virtualenv is great: it lets me keep a number of distinct Python installations so that different projects' dependencies aren't all thrown together into a common pile. ...
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How do I implement __getattribute__ without an infinite recursion error?

I want to override access to one variable in a class, but return all others normally. How do I accomplish this with __getattribute__ ? ...
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'id' is a bad variable name in Python

... keyword or built-in function in any language is a bad idea, even if it is allowed. share | improve this answer | follow | ...
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Pointers in Python?

...ur request is utterly impossible. Why ask for something impossible and totally different from the (possible) thing you actually want?! Maybe you don't realize how drastically different barenames and decorated names are. When you refer to a barename a, you're getting exactly the object a was last ...
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Practical usage of setjmp and longjmp in C

...n me where exactly setjmp() and longjmp() functions can be used practically in embedded programming? I know that these are for error handling. But I'd like to know some use cases. ...
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Mercurial .hgignore for Visual Studio 2008 projects

... Here's my standard .hgignore file for use with VS2008 that was originally modified from a Git ignore file: # Ignore file for Visual Studio 2008 # use glob syntax syntax: glob # Ignore Visual Studio 2008 files *.obj *.exe *.pdb *.user *.aps *.pch *.vspscc *_i.c *_p.c *.ncb *.suo *.tlb *.tlh ...
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How to select all instances of a variable and edit variable name in Sublime

If I select a variable (not just any string) in my code, all other instances of that variable get a stroke (white outline) around them: ...
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What is the single most influential book every programmer should read? [closed]

...tt Hargett How To Solve It by George Polya The Alchemist by Paulo Coelho Smalltalk-80: The Language and its Implementation Writing Secure Code (2nd Edition) by Michael Howard Introduction to Functional Programming by Philip Wadler and Richard Bird No Bugs! by David Thielen Rework by Jason Freid and...
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Adding information to an exception?

...essage + ' happens at %s' % arg1) bar('arg1') Traceback (most recent call last): File "test.py", line 13, in <module> bar('arg1') File "test.py", line 11, in bar raise type(e)(e.message + ' happens at %s' % arg1) IOError: Stuff happens at arg1 Update 1 Here's a slight modif...