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First-time database design: am I overengineering? [closed]
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answered Feb 23 '10 at 19:44
Tom CroweTom Crowe
47644 silver badges33 bronze badges
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Else clause on Python while statement
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edited Jul 21 '10 at 7:48
answered Jul 21 '10 at 2:51
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Get time in milliseconds using C#
...nds. By time, I mean a number that is never equal to itself, and is always 1000 numbers bigger than it was a second ago. I've tried converting DateTime.Now to a TimeSpan and getting the TotalMilliseconds from that... but I've heard it isn't perfectly accurate.
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Javascript !instanceof If Statement
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10
The reason being is that !obj is evaluated first in if(!obj instanceof Array), which evaluates to true (or false), which then becomes if(bo...
What is Scala's yield?
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– Richard Gomes
Jun 30 '12 at 14:10
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show 4 more comments
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MySQL Data - Best way to implement paging?
...urn. The offset of the initial row is 0 (not 1):
SELECT * FROM tbl LIMIT 5,10; # Retrieve rows 6-15
To retrieve all rows from a certain offset up to the end of the result set, you can use some large number for the second parameter. This statement retrieves all rows from the 96th row to the last:
S...
Replace part of a string with another string
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answered Aug 5 '10 at 19:11
Michael MrozekMichael Mrozek
141k2424 gold badges151151 silver badges159159 bronze badges
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Python: print a generator expression?
...rator expression is a "naked" for expression. Like so:
x*x for x in range(10)
Now, you can't stick that on a line by itself, you'll get a syntax error. But you can put parenthesis around it.
>>> (x*x for x in range(10))
<generator object <genexpr> at 0xb7485464>
This is so...
Accessing bash command line args $@ vs $*
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answered Sep 7 '12 at 10:46
glenn jackmanglenn jackman
195k3232 gold badges177177 silver badges284284 bronze badges
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How can one use multi threading in PHP applications
...ction run() {
if ($this->arg) {
$sleep = mt_rand(1, 10);
printf('%s: %s -start -sleeps %d' . "\n", date("g:i:sa"), $this->arg, $sleep);
sleep($sleep);
printf('%s: %s -finish' . "\n", date("g:i:sa"), $this->arg);
}
}
}
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