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How to check that a string is an int, but not a double, etc.?
...f it's wrong. PHP has is_int() , but that returns false for string like "2" .
26 Answers
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What is a “surrogate pair” in Java?
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answered May 5 '11 at 19:28
Jeffrey L WhitledgeJeffrey L Whitledge
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Is there a standard naming convention for git tags? [closed]
I've seen a lot of projects using v1.2.3 as the naming convention for tags in git. I've also seen some use 1.2.3 . Is there an officially endorsed style, or are there any good arguments for using either?
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MySQL get row position in ORDER BY
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120
Use this:
SELECT x.id,
x.position,
x.name
FROM (SELECT t.id,
t...
Circle line-segment collision detection algorithm?
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27 Answers
27
Active
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PHP best way to MD5 multi-dimensional array?
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265
(Copy-n-paste-able function at the bottom)
As mentioned prior, the following will work.
md5(...
Are negative array indexes allowed in C?
I was just reading some code and found that the person was using arr[-2] to access the 2nd element before the arr , like so:
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Draw a perfect circle from user's touch
...port java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.HeadlessException;
import java.awt.Point;
import java.awt.RenderingHints;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.MouseMotionListener;
import java.util....
How to get the second column from command output?
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29
Or use sed & regex.
<some_command> | sed 's/^.* \(".*"$\)/\1/'
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How to make rpm auto install dependencies
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edited Dec 14 '12 at 11:34
answered Dec 14 '12 at 11:24
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