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Why doesn't GCC optimize a*a*a*a*a*a to (a*a*a)*(a*a*a)?
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edited Jun 26 '14 at 4:02
community wiki
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How can I delete a newline if it is the last character in a file?
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224
perl -pe 'chomp if eof' filename >filename2
or, to edit the file in place:
perl -pi -e 'ch...
convert '1' to '0001' in JavaScript [duplicate]
...party libraries. I have done this in php using spritf: $time = sprintf('%04.0f',$time_arr[$i]);
4 Answers
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How to read a file into a variable in shell?
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Ok but it's bash, not sh; it may not fit all cases.
– moala
Apr 15 '13 at 11:25
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What is the difference between
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<% %>
Executes the ruby code within the brackets.
<%= %>
Prints something into e...
Print a file, skipping the first X lines, in Bash [duplicate]
I have a very long file which I want to print, skipping the first 1,000,000 lines, for example.
13 Answers
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Which commit has this blob?
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edited Nov 15 '14 at 0:33
answered Oct 21 '08 at 23:11
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Rolling median algorithm in C
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edited Dec 12 '14 at 17:05
Josh O'Brien
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Get the index of the nth occurrence of a string?
...occurrence.
– PeteT
Oct 9 '08 at 10:48
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Really? I can't remember ever having to do it in about 1...