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while (1) Vs. for (;;) Is there a speed difference?
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218
In perl, they result in the same opcodes:
$ perl -MO=Concise -e 'for(;;) { print "foo\n" }'
a ...
Combine two data frames by rows (rbind) when they have different sets of columns
... Jyotirmoy BhattacharyaJyotirmoy Bhattacharya
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How to find largest objects in a SQL Server database?
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287
I've been using this SQL script (which I got from someone, somewhere - can't reconstruct who it...
How to merge two files line by line in Bash
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answered Sep 27 '10 at 18:58
Mark ByersMark Byers
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Raise warning in Python without interrupting program
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answered Oct 8 '10 at 15:07
SilentGhostSilentGhost
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When splitting an empty string in Python, why does split() return an empty list while split('\n') re
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answered May 20 '13 at 8:18
Raymond HettingerRaymond Hettinger
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What does Class mean in Java?
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answered Mar 29 '12 at 8:30
manubmanub
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How can I count the number of matches for a regex?
...for Java 9+
long matches = matcher.results().count();
Solution for Java 8 and older
You'll have to do the following. (Starting from Java 9, there is a nicer solution)
int count = 0;
while (matcher.find())
count++;
Btw, matcher.groupCount() is something completely different.
Complete exam...
How do I set the maximum line length in PyCharm?
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Alex G.P.Alex G.P.
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Choice between vector::resize() and vector::reserve()
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edited Mar 30 '16 at 18:18
Community♦
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answered Sep 13 '11 at 6:49
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