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List comprehension: Returning two (or more) items for each item
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Java Map equivalent in C#
...ying to hold a list of items in a collection with a key of my choice. In Java, I would simply use Map as follows:
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How to check if a Unix .tar.gz file is a valid file without uncompressing?
I have found the question How to determine if data is valid tar file without a file? , but I was wondering: is there a ready made command line solution?
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Number of elements in a javascript object
Is there a way to get (from somewhere) the number of elements in a javascript object?? (i.e. constant-time complexity).
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How can I remove all text after a character in bash?
How can I remove all text after a character, in this case a colon (":"), in bash? Can I remove the colon, too? I have no idea how to.
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How can I pipe stderr, and not stdout?
I have a program that writes information to stdout and stderr , and I need to grep through what's coming to stderr , while disregarding stdout .
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Is there a way to follow redirects with command line cURL?
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What is the difference between a string and a byte string?
I am working with a library which returns a byte string and I need to convert this to a string.
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