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Why do access tokens expire?
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answered Aug 12 '11 at 5:28
Eran HammerEran Hammer
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How to implement has_many :through relationships with Mongoid and mongodb?
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151
Mongoid doesn't have has_many :through or an equivalent feature. It would not be so useful with...
how to listen to N channels? (dynamic select statement)
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5 Answers
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Active
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Reduce, fold or scan (Left/Right)?
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Marc GrueMarc Grue
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What are the differences between git remote prune, git prune, git fetch --prune, etc
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edited Jan 25 '19 at 23:36
answered Nov 20 '13 at 21:14
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In Python, how do I index a list with another list?
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245
T = [L[i] for i in Idx]
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What is the difference between trie and radix trie data structures?
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edited Nov 15 '15 at 10:29
Peter Mortensen
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What's the algorithm to calculate aspect ratio?
...he GCD for 44 and 99 is 11.
For example, a 1024x768 monitor has a GCD of 256. When you divide both values by that you get 4x3 or 4:3.
A (recursive) GCD algorithm:
function gcd (a,b):
if b == 0:
return a
return gcd (b, a mod b)
In C:
static int gcd (int a, int b) {
return (b...
Difference between git checkout --track origin/branch and git checkout -b branch origin/branch
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VonCVonC
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Python __str__ versus __unicode__
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257
__str__() is the old method -- it returns bytes. __unicode__() is the new, preferred method -- ...