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Getting output of system() calls in Ruby
If I call a command using Kernel#system in Ruby, how do I get its output?
15 Answers
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Why do we need argc while there is always a null at the end of argv?
It seems that the argv[argc] is always NULL , so I think we can traverse the argument list without argc . A single while loop will do this.
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How can I use numpy.correlate to do autocorrelation?
I need to do auto-correlation of a set of numbers, which as I understand it is just the correlation of the set with itself.
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Rebasing a branch including all its children
I have the following Git repository topology:
3 Answers
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How exactly does a generator comprehension work?
What does generator comprehension do? How does it work? I couldn't find a tutorial about it.
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How do I get into a non-password protected Java keystore or change the password?
I'm trying to import a trusted certificated into the Java cacerts keystore , but I have a problem. I tried to list existing trusted certificates and it seems that the keystore isn't password protected.
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Are default enum values in C the same for all compilers?
When declaring an enum as shown below, do all C compilers set the default values as x=0 , y=1 , and z=2 on both Linux and Windows systems?
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Best way to check if a URL is valid
I want to use PHP to check, if string stored in $myoutput variable contains a valid link syntax or is it just a normal text. The function or solution, that I'm looking for, should recognize all links formats including the ones with GET parameters.
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How can I add new array elements at the beginning of an array in Javascript?
I have a need to add or prepend elements at the beginning of an array.
12 Answers
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PDO's query vs execute
Are they both do the same thing, only differently?
3 Answers
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