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In javascript, is an empty string always false as a boolean?
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Yes. Javascript is a dialect of ECMAScript, and ECMAScript language specification clearly defi...
Insert, on duplicate update in PostgreSQL?
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GlobalConfiguration.Configure() not present after Web API 2 and .NET 4.5.1 migration
... recently started following this guide to migrate my project to .NET 4.5.1 and Web Api 2.
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How can I upgrade specific packages using pip and a requirements file?
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How do I check if there are duplicates in a flat list?
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Checking for empty arrays: count vs empty
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Concatenate multiple files but include filename as section headers
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Was looking for the same thing, and found this to suggest:
tail -n +1 file1.txt file2.txt file3.txt
Output:
==> file1.txt <==
<contents of file1.txt>
==> file2.txt <==
<contents of file2.txt>
==> file3.txt <==
<contents of file3.txt>
If there is only...
What is an IndexOutOfRangeException / ArgumentOutOfRangeException and how do I fix it?
...t means that first element has index 0 and last element has index Length - 1 (where Length is total number of items in the array) so this code doesn't work:
array[array.Length] = 0;
Moreover please note that if you have a multidimensional array then you can't use Array.Length for both dimension, ...
Bash script to calculate time elapsed
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