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How do I replace whitespaces with underscore?

...s, such as \t or a non-breaking space. – Roberto Bonvallet Jun 17 '09 at 15:49 13 Yes you are cor...
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Comparing strings with == which are declared final in Java

...nal and initialized with a compile-time constant expression (§15.28), is called a constant variable. Also from JLS §15.28 - Constant Expression: Compile-time constant expressions of type String are always "interned" so as to share unique instances, using the method String#intern(). This ...
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Why does Ruby 1.9.2 remove “.” from LOAD_PATH, and what's the alternative?

... LOAD_PATH , so this broke them (they reported "no such file to load" for all require statements that based off the project path). Was there a particular justification for doing this? ...
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Finding a branch point with Git?

... B. Here are three ways that I found, after a bit of tinkering: 1. visually, with gitk: You should visually see a tree like this (as viewed from master): or here (as viewed from topic): in both cases, I've selected the commit that is B in my graph. Once you click on it, its full SHA is p...
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Dynamically replace the contents of a C# method?

What I want to do is change how a C# method executes when it is called, so that I can write something like this: 9 Answers ...
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Running a specific test case in Django when your app has a tests directory

... Checkout django-nose. It allows you to specify tests to run like: python manage.py test another.test:TestCase.test_method or as noted in comments, use the syntax: python manage.py test another.test.TestCase.test_method ...
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How to make a class property? [duplicate]

...az.bar == 50 assert foo.bar == 50 The setter didn't work at the time we call Bar.bar, because we are calling TypeOfBar.bar.__set__, which is not Bar.bar.__set__. Adding a metaclass definition solves this: class ClassPropertyMetaClass(type): def __setattr__(self, key, value): if key ...
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How to change a module variable from another module?

...conduct your experiment there by setting bar.a = 1. This way, you will actually be modifying bar.__dict__['a'] which is the 'real' value of a in this context. It's a little convoluted with three layers but bar.a = 1 changes the value of a in the module called bar that is actually derived from __ini...
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C default arguments

... Not really. The only way would be to write a varargs function and manually fill in default values for arguments which the caller doesn't pass. share ...
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Why do we need extern “C”{ #include } in C++?

... C and C++ are superficially similar, but each compiles into a very different set of code. When you include a header file with a C++ compiler, the compiler is expecting C++ code. If, however, it is a C header, then the compiler expects the data cont...