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How to concatenate multiple lines of output to one line?
If I run the command cat file | grep pattern , I get many lines of output. How do you concatenate all lines into one line, effectively replacing each "\n" with "\" " (end with " followed by space)?
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In Rails - is there a rails method to convert newlines to ?
Is there a Railsy way to convert \n to <br> ?
8 Answers
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Regular expressions in C: examples?
I'm after some simple examples and best practices of how to use regular expressions in ANSI C. man regex.h does not provide that much help.
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Is there a way to measure how sorted a list is?
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9 Answers
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Putting a simple if-then-else statement on one line [duplicate]
I'm just getting into Python and I really like the terseness of the syntax. However, is there an easier way of writing an if - then - else statement so it fits on one line?
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Command to get nth line of STDOUT
Is there any bash command that will let you get the nth line of STDOUT?
13 Answers
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Fastest way to extract frames using ffmpeg?
Hi I need to extract frames from videos using ffmpeg.. Is there a faster way to do it than this:
6 Answers
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Split comma-separated strings in a column into separate rows
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6 Answers
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Git, see a list of comments of my last N commits
Is there a way to see a list of comments and time of my last N commits in Git?
4 Answers
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Is there a math nCr function in python? [duplicate]
I'm looking to see if built in with the math library in python is the nCr (n Choose r) function:
2 Answers
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