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How do I limit the number of results returned from grep?
I would like to say 10 lines max from grep.
5 Answers
5
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The Ruby %r{ } expression
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260
%r{} is equivalent to the /.../ notation, but allows you to have '/' in your regexp without havi...
How to add an extra source directory for maven to compile and include in the build jar?
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Péter TörökPéter Török
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Is it safe to delete an object property while iterating over them?
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+100
The ECMAScript 5.1 standard section 12.6.4 (on for-in loops) says:
Properties of the object being enumerated may be deleted durin...
Perl flags -pe, -pi, -p, -w, -d, -i, -t?
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edited May 29 '17 at 23:01
dreftymac
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ans...
Update an outdated branch against master in a Git repo
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edited Mar 2 '12 at 5:04
random
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answered Jan...
What's a 3D doing in this HTML?
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answered Oct 25 '10 at 15:27
Chris Jester-YoungChris Jester-Young
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Is there an R function for finding the index of an element in a vector?
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The function match works on vectors :
x <- sample(1:10)
x
# [1] 4 5 9 3 8 1 6 10 7 2
match(c(4,8),x)
# [1] 1 5
match only returns the first encounter of a match, as you requested. It returns the position in the second argument of the values in the first argument.
Fo...
How can you use an object's property in a double-quoted string?
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robdy
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answered Jul 17 '09 at 21:41
JoeyJoey
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Can you have additional .gitignore per directory within a single repo?
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Similar question was: Are multiple `.gitignore`s frowned on? (Jul 2010)
Or if you can have different version of a .gitignore file per branch: Using github to host public git repositories whilst ensuring that sensitive data files remain untracked (Feb 2010)
Further perhaps related: How do ...