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Running unittest with typical test directory structure

...on -m unittest test.test_antigravity.GravityTestCase.test_method Running all tests: You can also use test discovery which will discover and run all the tests for you, they must be modules or packages named test*.py (can be changed with the -p, --pattern flag): $ cd new_project $ python -m unitte...
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performSelector may cause a leak because its selector is unknown

...for the C function pointer for the method corresponding to the controller. All NSObjects respond to methodForSelector:, but you can also use class_getMethodImplementation in the Objective-C runtime (useful if you only have a protocol reference, like id<SomeProto>). These function pointers are ...
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What are the mechanics of short string optimization in libc++?

...ver, I would like to know in more detail how it works in practice, specifically in the libc++ implementation: 2 Answers ...
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Python argparse: How to insert newline in the help text?

...nfortunately Only the name of this class is considered a public API. All the methods provided by the class are considered an implementation detail. So probably not a great idea, although it might not matter, since 2.7 is meant to be the last 2.x python and you'll be expected to refactor lots ...
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Regex to Match Symbols: !$%^&*()_+|~-=`{}[]:";'?,./

... The regular expression for this is really simple. Just use a character class. The hyphen is a special character in character classes, so it needs to be first: /[-!$%^&*()_+|~=`{}\[\]:";'<>?,.\/]/ You also need to escape the other regular expressio...
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How can you encode a string to Base64 in JavaScript?

... in 8 bits, it will probably break. This isn’t a problem if you’re actually treating the string as a byte array, but if you’re trying to do something else then you’ll have to encode it first. atob() returns a “string” where each character represents an 8-bit byte – that is, its value w...
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How do I check for C++11 support?

...t have (partial) compiler-level support versus a standard C++ library with all the C++11 changes. So Boost's defines mentioned in another answer remain the only sane way to figure out if there is, for example, support for C++11 threads and other specific parts of the standard. ...
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SQL: deleting tables with prefix

How to delete my tables who all have the prefix myprefix_ ? 10 Answers 10 ...
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What are the rules about using an underscore in a C++ identifier?

...FC background, you'll probably use m_foo . I've also seen myFoo occasionally. 5 Answers ...
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Class method differences in Python: bound, unbound and static

...n Python, there is a distinction between bound and unbound methods. Basically, a call to a member function (like method_one), a bound function a_test.method_one() is translated to Test.method_one(a_test) i.e. a call to an unbound method. Because of that, a call to your version of method_two ...