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Shell script “for” loop syntax
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There is no good reason to use an external command such as seq to count and increment numbers in the for loop, hence it is recommend that you avoid using seq. This command is left for compatibility with old bash. The built-in commands are fast enough. for (( EXP1; EXP2; ...
jQuery map vs. each
In jQuery, the map and each functions seem to do the same thing. Are there any practical differences between the two? When would you choose to use one instead of the other?
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Why does flowing off the end of a non-void function without returning a value not produce a compiler
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C99 and C++ standards don't require functions to return a value. The missing return statement in a value-returning function will be defined (to return 0) only in the main function.
The rationale includes that checking if every c...
Calculate date from week number
...date of the first day in the week (monday here in Europe). I know the year and the week number? I'm going to do this in C#.
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Remove all but numbers from NSString
I have an NSString (phone number) with some parenthesis and hyphens as some phone numbers are formatted. How would I remove all characters except numbers from the string?
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static constructors in C++? I need to initialize private static objects
...tatic constructor" that will run before I make any instances of the class, and sets up the static data members of the class. It only gets run once (as the variables are read only and only need to be set once) and since it's a function of the class it can access its private members. I could add code ...
How to remove the left part of a string?
...f "=" in line:
param, value = line.split("=",1)
Then param is "Path" and value is the rest after the first =.
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How can I suppress all output from a command using Bash?
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The following sends standard output to the null device (bit bucket).
scriptname >/dev/null
And if you also want error messages to be sent there, use one of (the first may not work in all shells):
scriptname &>/dev/null
scriptname >...
Read-only list or unmodifiable list in .NET 4.0
...edited Jun 30 '14 at 18:17
Aleksandr Dubinsky
18.3k1212 gold badges5959 silver badges8787 bronze badges
answered Jun 11 '09 at 22:19
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Is there a way to make mv create the directory to be moved to if it doesn't exist?
So, if I'm in my home directory and I want to move foo.c to ~/bar/baz/foo.c , but those directories don't exist, is there some way to have those directories automatically created, so that you would only have to type
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