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Rails - Validate Presence Of Association?
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answered Oct 1 '15 at 14:44
hexinpeterhexinpeter
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Cannot get to $rootScope
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edited Dec 3 '12 at 23:57
Joseph Silber
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How can I wait till the Parallel.ForEach completes
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195
You don't have to do anything special, Parallel.Foreach() will wait until all its branched tasks...
How to create an object for a Django model with a many to many field?
...fetch the two Bars, we save two SELECT statements, resulting in a total of 5:
INSERT INTO "app_foo" ("name") VALUES ()
SELECT "app_foo_bars"."id", "app_foo_bars"."foo_id", "app_foo_bars"."bar_id" FROM "app_foo_bars" WHERE "app_foo_bars"."foo_id" = 1
SELECT "app_foo_bars"."bar_id" FROM "app_foo_bars...
Filtering a list based on a list of booleans
...gt;>> %timeit list(compress(list_a, fil))
100000 loops, best of 3: 2.58 us per loop
>>> %timeit [i for (i, v) in zip(list_a, fil) if v] #winner
100000 loops, best of 3: 1.98 us per loop
>>> list_a = [1, 2, 4, 6]*100
>>> fil = [True, False, True, False]*100
>>...
Python Write bytes to file
...brams
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Difference between window.location.assign() and window.location.replace()
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edited Dec 20 '18 at 21:25
Community♦
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answered Dec 22 '10 at 3:01
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AttributeError: 'datetime' module has no attribute 'strptime'
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edited Jul 13 '14 at 15:44
answered Oct 20 '13 at 16:46
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Gradle build only one module
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answered Jun 7 '13 at 15:06
Peter NiederwieserPeter Niederwieser
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