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Subscripts in plots in R
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edited Jun 3 '17 at 11:34
Tom Kelly
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answered Apr 14 '...
Node.js: Difference between req.query[] and req.params
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edited Mar 24 '17 at 16:33
answered Jan 19 '13 at 19:37
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How to get the list of all printers in computer
... Arvo Bowen
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answered Mar 1 '10 at 8:01
Jojo SardezJojo Sardez
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How do I find duplicates across multiple columns?
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Ruby regular expression using variable name
...just give gsub a string instead of a regular expression. In MRI >= 1.8.7, gsub will treat a string replacement argument as a plain string, not a regular expression:
var = "*This*"
str = "*This* is a string"
p str.gsub(var, 'foo' ) # => "foo is a string"
(It used to be that a string replace...
cd into directory without having permission
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Creating hidden arguments with Python argparse
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answered Jun 20 '12 at 7:19
srgergsrgerg
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How do I select a merge strategy for a git rebase?
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You can use this with Git v1.7.3 or later versions.
git rebase --strategy-option theirs ${branch} # Long option
git rebase -X theirs ${branch} # Short option
(which is a short for git rebase --strategy recursive --strategy-option theirs ${branch} as s...
The modulo operation on negative numbers in Python
...the week day N days before? In Python we can compute with
return (2 - N) % 7
but in C, if N ≥ 3, we get a negative number which is an invalid number, and we need to manually fix it up by adding 7:
int result = (2 - N) % 7;
return result < 0 ? result + 7 : result;
(See http://en.wikipedia.org/...
Regex Named Groups in Java
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(Update: August 2011)
As geofflane mentions in his answer, Java 7 now support named groups.
tchrist points out in the comment that the support is limited.
He details the limitations in his great answer "Java Regex Helper"
Java 7 regex named group support was presented back in September...