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Reset select2 value and show placeholder
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edited Jan 24 '17 at 15:20
Hakan Fıstık
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answe...
Different ways of clearing lists
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>>> b = a
>>> del a[:] # equivalent to del a[0:len(a)]
>>> print(a)
[]
>>> print(b)
[]
>>> a is b
True
You could also do:
>>> a[:] = []
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How can I specify a local gem in my Gemfile?
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answered Dec 20 '10 at 8:51
Jimmy CuadraJimmy Cuadra
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Can I convert long to int?
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edited May 13 '09 at 16:36
answered May 13 '09 at 16:17
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Why does PostgreSQL perform sequential scan on indexed column?
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If the SELECT returns more than approximately 5-10% of all rows in the table, a sequential scan is much faster than an index scan.
This is because an index scan requires several IO operations for each row (look up the row in the index, then retrieve the row from the heap...
Python != operation vs “is not”
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== is an equality test. It checks whether the right hand side and the left hand side are equal o...
Using GPU from a docker container?
...xt as Docker has dropped LXC as the default execution context as of docker 0.9.
Instead it's better to tell docker about the nvidia devices via the --device flag, and just use the native execution context rather than lxc.
Environment
These instructions were tested on the following environment:
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Jquery UI tooltip does not support html content
...with jQuery 1.9.1. And I started to use jQueryUI tooltip with jquery.ui.1.10.2. Everything was good. But when I used HTML tags in the content (in the title attribute of the element I was applying the tooltip to), I noticed that HTML is not supported.
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Flatten List in LINQ
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edited Oct 30 '12 at 16:38
kalyfe
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How to loop through an array containing objects and access their properties
...rt to that!
– fatCop
Nov 8 '15 at 9:04
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@DoryZidon: forEach not support break or stop - develop...