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What are the rules for the “…” token in the context of variadic templates?

...template parameter pack if it appears on the right side of an expression (call this expression pattern for a moment), or it's a pack argument if it appears on left side of the name: ...thing // pack : appears as template arguments thing... // unpack : appears when consuming the arguments The ru...
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Inherit docstrings in Python class inheritance

...out this a while ago, and a recipe was created. Check it out here. """ doc_inherit decorator Usage: class Foo(object): def foo(self): "Frobber" pass class Bar(Foo): @doc_inherit def foo(self): pass Now, Bar.foo.__doc__ == Bar().foo.__doc__ == Foo.foo.__doc__...
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Which characters make a URL invalid?

... @techiferous, Yeah, I forgot to allow "%" escaped characters. It should've looked more like: /^([!#$&-;=?-[]_a-z~]|%[0-9a-fA-F]{2})+$/ Was there anything else that you found it should've been accepting? (Just to be clear, that regex only checks ...
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How to use a custom comparison function in Python 3?

...e a workaround, but I think I am going to lose some performance by passing all the comparison operators < > = to middle man, since my original custom sort is written in C , it had around 1/2x speed of default sort. – YOU Mar 28 '10 at 5:26 ...
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Select unique or distinct values from a list in UNIX shell script

...n the following input: class jar jar jar bin bin java uniq will output all lines exactly once: class jar bin java uniq -d will output all lines that appear more than once, and it will print them once: jar bin uniq -u will output all lines that appear exactly once, and it will print them ...
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What is a method that can be used to increment letters?

...ded to expand it a bit beyond the scope of the original question to potentially help people who are stumbling on this from Google. I find that what I often want is something that will generate sequential, unique strings in a certain character set (such as only using letters), so I've updated this a...
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What are the differences between .so and .dylib on osx?

...xecutables and libraries distinguishes between shared libraries and dynamically loaded modules. Use otool -hv some_file to see the filetype of some_file. Mach-O shared libraries have the file type MH_DYLIB and carry the extension .dylib. They can be linked against with the usual static linker flags...
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Curly braces in string in PHP

...nterpolation. From the manual: Complex (curly) syntax This isn't called complex because the syntax is complex, but because it allows for the use of complex expressions. Any scalar variable, array element or object property with a string representation can be included via this synta...
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What version of Visual Studio is Python on my computer compiled with?

...to be Visual C++ 2008 according to this thread on the OpenCobol forums (of all places). The MSDN page on Predefined Macros indicates 1500 to be the result of the _MSC_VER macro. This other forum post mentions that (For reference, Visual Studio 2003 has _MSC_VER = 1310; Visual Studio 2005 ha...
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Why {} + {} is NaN only on the client side? Why not in Node.js?

...le._commandLineAPI = new CommandLineAPI(this._commandLineAPIImpl, isEvalOnCallFrame ? object : null); expression = "with ((window && window.console && window.console._commandLineAPI) || {}) {\n" + expression + "\n}"; } var result = evalFunction.call(object, expression...