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Why does `a == b or c or d` always evaluate to True?

...ame == "Kevin" or name == "Jon" or name == "Inbar"', setup="name='Inbar'") 0.4247764749999945 >>> timeit.timeit('name in {"Kevin", "Jon", "Inbar"}', setup="name='Inbar'") 0.18493307199999265 For those who may want proof that if a == b or c or d or e: ... is indeed parsed like this. The bu...
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How are booleans formatted in Strings in Python?

... answered Feb 13 '10 at 22:07 danbendanben 70.8k1818 gold badges113113 silver badges140140 bronze badges ...
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Which, if any, C++ compilers do tail-recursion optimization?

...s such as: int bar(int, int); int foo(int n, int acc) { return (n == 0) ? acc : bar(n - 1, acc + 2); } int bar(int n, int acc) { return (n == 0) ? acc : foo(n - 1, acc + 1); } Letting the compiler do the optimisation is straightforward: Just switch on optimisation for speed: For MSVC,...
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How to use > in an xargs command?

... 201 Do not make the mistake of doing this: sh -c "grep ABC {} > {}.out" This will break under...
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How do I programmatically get the GUID of an application in .net2.0

I need to access the assembly of my project in C# .NET2.0. 7 Answers 7 ...
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How can we match a^n b^n with Java regex?

... +100 The answer is, needless to say, YES! You can most certainly write a Java regex pattern to match anbn. It uses a positive lookahead fo...
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How do you split a list into evenly sized chunks?

... 3306 +100 Here's ...
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How to inspect the return value of a function in GDB?

... return 42; } int main( int argc, char *v[] ) { fun(); return 0; } You can debug it as such -- (gdb) r Starting program: /usr/home/hark/a.out Breakpoint 1, fun () at test.c:2 2 return 42; (gdb) finish Run till exit from #0 fun () at test.c:2 main () at test.c:7 7 ...
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Select a Dictionary with LINQ

... | edited Mar 6 '09 at 0:30 answered Mar 6 '09 at 0:23 ...
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How to append contents of multiple files into one file

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