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How to get the first line of a file in a bash script?
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416
head takes the first lines from a file, and the -n parameter can be used to specify how many l...
Uses of content-disposition in an HTTP response header
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84
Note that RFC 6266 supersedes the RFCs referenced below. Section 7 outlines some of the related ...
C# equivalent to Java's charAt()?
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edited Mar 19 '14 at 21:12
Steven V
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How to indicate param is optional using inline JSDoc?
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Undoing accidental git stash pop
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answered Jul 1 '11 at 4:44
Ben JacksonBen Jackson
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Does Java 8 provide a good way to repeat a value or function?
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edited Aug 30 '13 at 12:43
answered Aug 30 '13 at 12:08
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Difference between var_dump,var_export & print_r
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var_dump is for debugging purposes. var_dump always prints the result.
// var_dump(array('', fa...
pass **kwargs argument to another function with **kwargs
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edited Mar 26 '12 at 6:54
Chris Morgan
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regex for zip-code
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^\d{5}(?:[-\s]\d{4})?$
^ = Start of the string.
\d{5} = Match 5 digits (for condition 1, 2, 3)
(?:…) = Grouping
[-\s] = Match a space (for condition 3) or a hyphen (for condition 2)
\d{4} = Match 4 digits (for condition 2, 3)
…? = The ...
How can I see the current value of my $PATH variable on OS X?
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