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Returning value from called function in a shell script
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@ManuelJordan, Functions can only return exit codes and >&2 logs to stderror, so, the last echo is written to stdout, so, the calling function ONLY captures stdout and not stderr. Assuming execution is single threaded, a better option is to maintain a custom variable sp...
Find if current time falls in a time range
...ount the number of matches? For example I want to count how many saturdays and sundays are in the range.
– pbies
Sep 4 '13 at 19:28
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How to find out which package version is loaded in R?
...cluster. It has 2 versions of R installed. System wide R 2.11 (Debian 6.0) and R 2.14.2 in non-standard location.
12 Answe...
How does node.bcrypt.js compare hashed and plaintext passwords without the salt?
...(as plaintext). The compare function simply pulls the salt out of the hash and then uses it to hash the password and perform the comparison.
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Why does running the Flask dev server run itself twice?
I'm using Flask for developing a website and while in development I run flask using the following file:
6 Answers
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Set cursor position on contentEditable
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This is compatible with the standards-based browsers, but will probably fail in IE. I'm providing it as a starting point. IE doesn't support DOM Range.
var editable = document.getElementById('editable'),
selection, range;
// Populates selection and ...
How to input a regex in string.replace?
...racters" which need to be escaped (i.e. with a backslash placed in front - and the rules are different inside and outside character classes.) There is an excellent online tutorial at: www.regular-expressions.info. The time you spend there will pay for itself many times over. Happy regexing!
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Coding Practices which enable the compiler/optimizer to make a faster program
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Write to local variables and not output arguments! This can be a huge help for getting around aliasing slowdowns. For example, if your code looks like
void DoSomething(const Foo& foo1, const Foo* foo2, int numFoo, Foo& barOut)
{
for (int...
Difference between objectForKey and valueForKey?
What is the difference between objectForKey and valueForKey ?
I looked both up in the documentation and they seemed the same to me.
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Convert command line arguments into an array in Bash
How do I convert command-line arguments into a bash script array?
7 Answers
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