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How to determine a user's IP address in node
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470
In your request object there is a property called connection, which is a net.Socket object. The ...
Associative arrays in Shell scripts
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20
To add to Irfan's answer, here is a shorter and faster version of get() since it requires no ite...
MySQL SELECT WHERE datetime matches day (and not necessarily time)
...wing 4 records, then only the 2nd and 3rd would be returned if I limit to 2012-12-25.
4 Answers
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How to shorten my conditional statements
...t in other's code.
Instead of checking if the result of indexOf is >= 0, there is a nice little shortcut:
if ( ~[1, 2, 3, 4].indexOf(test.type) ) {
// Do something
}
Here is the fiddle: http://jsfiddle.net/HYJvK/
How does this work? If an item is found in the array, indexOf returns its ...
How can I define a composite primary key in SQL?
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edited Jul 12 '09 at 15:48
answered Jul 10 '09 at 15:46
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Are loops really faster in reverse?
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907
It's not that i-- is faster than i++. Actually, they're both equally fast.
What takes time in ...
PHP Get all subdirectories of a given directory
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answered Mar 26 '10 at 14:58
ghostdog74ghostdog74
269k4848 gold badges233233 silver badges323323 bronze badges
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MySQL: Set user variable from result of query
...-+
| 123456 | 5 |
| 111111 | 5 |
+--------+-------+
2 rows in set (0.00 sec)
Note that for SET, either = or := can be used as the assignment operator. However inside other statements, the assignment operator must be := and not = because = is treated as a comparison operator in non-SET stat...
Replace one character with another in Bash
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405
Use inline shell string replacement. Example:
foo=" "
# replace first blank only
bar=${foo/ ...
How to grant remote access permissions to mysql server for user?
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answered Jun 4 '11 at 20:17
Michael BerkowskiMichael Berkowski
246k3636 gold badges408408 silver badges359359 bronze badges
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