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Reset C int array to zero : the fastest way?

... As of the 1999 ISO C standard, it wasn't actually guaranteed that memset would set an integer to 0; there was no specific statement that all-bits-zero is a representation of 0. A Technical Corrigendum added such a guarantee, which is in...
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What should main() return in C and C++?

...ment, at which point it defaults to returning 0. This is also true with a C99 program. Whether return 0; should be omitted or not is open to debate. The range of valid C program main signatures is much greater. Efficiency is not an issue with the main function. It can only be entered and left onc...
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Regular expression for matching latitude/longitude coordinates?

...127.554334 45, 180 -90, -180 -90.000, -180.0000 +90, +180 47.1231231, 179.99999999 Doesn't Match -90., -180. +90.1, -100.111 -91, 123.456 045, 180 share | improve this answer | ...
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Delete empty lines using sed

... Alberto ZaccagniAlberto Zaccagni 27.4k99 gold badges6969 silver badges101101 bronze badges ...
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How do you format an unsigned long long int using printf?

...t a Linux/UNIX thing, the "ll" length modifier was added to Standard C in C99, if it doesn't work in "Microsoft C" then it is because they are not standards compliant. – Robert Gamble Oct 17 '08 at 4:46 ...
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What is uintptr_t data type

...ng, at the time the question was asked, uintptr_t was not in C++. It's in C99, in <stdint.h>, as an optional type. Many C++03 compilers do provide that file. It's also in C++11, in <cstdint>, where again it is optional, and which refers to C99 for the definition. In C99, it is defined a...
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Precision String Format Specifier In Swift

... Anton TcholakovAnton Tcholakov 3,47011 gold badge99 silver badges99 bronze badges 78 ...
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How to zero pad a sequence of integers in bash so that all have the same width?

...as printf as a built-in so you can pad output with zeroes as follows: $ i=99 $ printf "%05d\n" $i 00099 You can use the -v flag to store the output in another variable: $ i=99 $ printf -v j "%05d" $i $ echo $j 00099 Notice that printf supports a slightly different format to seq so you need to ...
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Easier way to create circle div than using an image?

... You could also do 100% instead of 999px. – Tony Wickham Jul 19 '13 at 5:35 1 ...
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Is there a way to programmatically scroll a scroll view to a specific edit text?

...nswered Aug 1 '15 at 17:37 Swas_99Swas_99 2,02611 gold badge1212 silver badges1717 bronze badges ...