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Remap values in pandas column with a dict
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10 Answers
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Check if object exists in JavaScript
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answered Nov 15 '10 at 17:08
JALJAL
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Extract substring using regexp in plain bash
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Using pure bash :
$ cat file.txt
US/Central - 10:26 PM (CST)
$ while read a b time x; do [[ $b == - ]] && echo $time; done < file.txt
another solution with bash regex :
$ [[ "US/Central - 10:26 PM (CST)" =~ -[[:space:]]*([0-9]{2}:[0-9]{2}) ]] &&
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Which concurrent Queue implementation should I use in Java?
..., ArrayBlockingQueue is a queue of a fixed size. So if you set the size at 10, and attempt to insert an 11th element, the insert statement will block until another thread removes an element. The fairness issue is what happens if multiple threads try to insert and remove at the same time (in other wo...
Why does 'continue' behave like 'break' in a Foreach-Object?
... on a particular iteration, thus, it simulates the continue in a loop.
1..100 | ForEach-Object {
if ($_ % 7 -ne 0 ) { return }
Write-Host "$($_) is a multiple of 7"
}
There is a gotcha to be kept in mind when refactoring. Sometimes one wants to convert a foreach statement block into a pip...
Rails: confused about syntax for passing locals to partials
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answered Dec 9 '10 at 20:23
Doug RDoug R
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Print in one line dynamically
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answered Jul 14 '10 at 19:05
ewallewall
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What is the difference between include and extend in Ruby?
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answered Feb 15 '11 at 19:10
John DouthatJohn Douthat
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Spring classpath prefix difference
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answered Jul 20 '10 at 21:27
Eugene RyzhikovEugene Ryzhikov
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How to check if a table exists in a given schema
...w, thanks.
– Erwin Brandstetter
Jan 10 '17 at 4:48
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