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Do threads have a distinct heap?
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edited May 23 '17 at 10:31
Community♦
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answered Nov 3 '09 at 5:33
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Rails 3: Get Random Record
...NDOM()") # For MySQL :order => "RAND()", - thanx, @DanSingerman
# Rails 3
Thing.order("RANDOM()").first
or
Thing.first(:offset => rand(Thing.count))
# Rails 3
Thing.offset(rand(Thing.count)).first
Actually, in Rails 3 all examples will work. But using order RANDOM is quite slow for big ta...
How does Django's Meta class work?
...:55
Moon
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answered Apr 27 '12 at 3:04
TadeckTadeck
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What does pylint's “Too few public methods” message mean
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edited Dec 23 '17 at 0:53
June7
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an...
Weighted random numbers
...andom number that is 0 or greater and is less than the sum of the weights
3) go through the items one at a time, subtracting their weight from your random number, until you get the item where the random number is less than that item's weight
Pseudo-code illustrating this:
int sum_of_weight = 0;
f...
What is the difference between range and xrange functions in Python 2.X?
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836
In Python 2.x:
range creates a list, so if you do range(1, 10000000) it creates a list in mem...
Datetime equal or greater than today in MySQL
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338
SELECT * FROM users WHERE created >= CURDATE();
But I think you mean created < today
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Best way to format integer as string with leading zeros? [duplicate]
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You can use the zfill() method to pad a string with zeros:
In [3]: str(1).zfill(2)
Out[3]: '01'
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phonegap open link in browser
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answered Jul 26 '13 at 17:28
freejoshfreejosh
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Multiple linear regression in Python
... my dependent variable (y) against several independent variables (x1, x2, x3, etc.).
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