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When should I use perror(“…”) and fprintf(stderr, “…”)?
Reading the man pages and some code did not really help me in
understanding the difference between - or better, when I should use - perror("...") or fprintf(stderr, "...") .
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How do I change my Ruby version using RVM?
I am not able to switch the current Ruby version:
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JavaScript: clone a function
What is a fastest way to clone a function in JavaScript (with or without its properties)?
14 Answers
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Logging uncaught exceptions in Python
How do you cause uncaught exceptions to output via the logging module rather than to stderr ?
10 Answers
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Replace whole line containing a string using Sed
I have a text file which has a particular line something like
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Test if a command outputs an empty string
How can I test if a command outputs an empty string?
11 Answers
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Golang: How to pad a number with zeros when printing?
How can I print a number or make a string with zero padding to make it fixed width?
6 Answers
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Can gcc output C code after preprocessing?
I'm using an open source library which seems to have lots of preprocessing directives to support many languages other than C. So that I can study what the library is doing I'd like to see the C code that I'm compiling after preprocessing, more like what I'd write.
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C++ static virtual members?
Is it possible in C++ to have a member function that is both static and virtual ? Apparently, there isn't a straightforward way to do it ( static virtual member(); is a compile error), but is there at least a way to achieve the same effect?
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Convert character to ASCII code in JavaScript
How can I convert a character to its ASCII code using JavaScript?
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