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What do 'real', 'user' and 'sys' mean in the output of time(1)?
What do 'real', 'user' and 'sys' mean in the output of time?
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How do I make a simple makefile for gcc on Linux?
I have three files: program.c , program.h and headers.h .
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TimeSpan ToString format
Just curious, is there a format string I can use to output something like "5h 3m 30s"?
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Display filename before matching line
How can I get grep to display the filename before the matching lines in its output?
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Regular expressions in C: examples?
I'm after some simple examples and best practices of how to use regular expressions in ANSI C. man regex.h does not provide that much help.
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Display current date and time without punctuation
For example, I want to display current date and time as the following format:
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Average of 3 long integers
I have 3 very large signed integers.
12 Answers
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How to call C from Swift?
Is there a way to call C routines from Swift?
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Where to store global constants in an iOS application?
Most of the models in my iOS app query a web server. I would like to have a configuration file storing the base URL of the server. It will look something like this:
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Can't install RMagick 2.13.1. Can't find MagickWand.h.
When I try do install rmagick I get the following error message:
32 Answers
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