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An example of how to use getopts in bash
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edited Aug 14 '13 at 14:58
answered May 11 '13 at 11:16
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PostgreSQL Crosstab Query
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330
Install the additional module tablefunc once per database, which provides the function crossta...
Python date string to date object
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Alan W. Smith
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answered May 10 '10 at 15:24
SilentGhostSilentGhos...
How do I install cygwin components from the command line?
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rany
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answered Feb 19 '12 at 6:22
ZorobabelZorobabel
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What does static_assert do, and what would you use it for?
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83
Off the top of my head...
#include "SomeLibrary.h"
static_assert(SomeLibrary::Version > 2, ...
hash function for string
...stein.
unsigned long
hash(unsigned char *str)
{
unsigned long hash = 5381;
int c;
while (c = *str++)
hash = ((hash << 5) + hash) + c; /* hash * 33 + c */
return hash;
}
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What exactly is nullptr?
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Mankarse
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answered Aug 15 '09 at 17:06
Johannes Schau...
Why are preprocessor macros evil and what are the alternatives?
...ly becomes completely the wrong thing....
Replacement: real functions.
3) Macros have no namespace
If we have a macro:
#define begin() x = 0
and we have some code in C++ that uses begin:
std::vector<int> v;
... stuff is loaded into v ...
for (std::vector<int>::iterator it = m...
RE error: illegal byte sequence on Mac OS X
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308
A sample command that exhibits the symptom: sed 's/./@/' <<<$'\xfc' fails, because by...
Removing multiple keys from a dictionary safely
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answered Jan 24 '12 at 23:20
GlaslosGlaslos
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