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MySQL - ORDER BY values within IN()
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233
SELECT id, name
FROM mytable
WHERE name IN ('B', 'A', 'D', 'E', 'C')
ORDER BY FIELD(name, 'B',...
How can I profile Python code line-by-line?
...cProfile to profile my code, and it's been working great. I also use gprof2dot.py to visualize the results (makes it a little clearer).
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Regular expression to return text between parenthesis
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258
If your problem is really just this simple, you don't need regex:
s[s.find("(")+1:s.find(")")...
Get item in the list in Scala?
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Use parentheses:
data(2)
But you don't really want to do that with lists very often, since linked lists take time to traverse. If you want to index into a collection, use Vector (immutable) or ArrayBuffer (mutable) or possibly Array (which is j...
How do you round a float to two decimal places in jruby
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edited May 23 '17 at 12:18
Community♦
111 silver badge
answered May 5 '12 at 16:06
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Breaking loop when “warnings()” appear in R
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152
You can turn warnings into errors with:
options(warn=2)
Unlike warnings, errors will interrup...
Multi-line commands in GHCi
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answered Dec 9 '11 at 8:52
Nicolas WuNicolas Wu
4,26722 gold badges2222 silver badges3232 bronze badges
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Tell Ruby Program to Wait some amount of time
...following convenience syntax:
sleep(4.minutes)
# or, even longer...
sleep(2.hours); sleep(3.days) # etc., etc.
# or shorter
sleep(0.5) # half a second
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What does value & 0xff do in Java?
... a long. But not on byte. See the Java Language Specification, sections 15.22.1 and 5.6.2.
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Bring element to front using CSS
...ative to .content
#header {
background: url(http://placehold.it/420x160) center top no-repeat;
}
#header-inner {
background: url(http://placekitten.com/150/200) right top no-repeat;
}
.logo-class {
height: 128px;
}
.content {
margin-left: auto;
margin-right: auto;...