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Is there a standard function to check for null, undefined, or blank variables in JavaScript?
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41 Answers
41
Active
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Not receiving Google OAuth refresh token
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14 Answers
14
Active
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Capybara Ambiguity Resolution
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147
My solution is
first(:link, link).click
instead of
click_link(link)
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Canvas is stretched when using CSS but normal with “width” / “height” properties
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edited Aug 6 '14 at 5:46
answered Apr 6 '10 at 21:16
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problem with and :after with CSS in WebKit
...ays reinstate MonicaDavid says reinstate Monica
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How can I get a file's size in C? [duplicate]
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Rob WalkerRob Walker
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UIView frame, bounds and center
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UIView* view1 = [[UIView alloc] initWithFrame:CGRectMake(30.0f, 20.0f, 400.0f, 400.0f)];
view1.backgroundColor = [UIColor redColor];
[[self view] addSubview:view1];
When you need the coordinates to drawing inside a view you usually refer to bounds. A typical example could be to draw withi...
javascript set a variable if undefined
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edited Mar 24 at 6:25
Viktor Borítás
7911 silver badge88 bronze badges
answered Mar 23 '...
Kill a postgresql session/connection
... ON DATABASE dbname FROM PUBLIC, username;
If you're using Postgres 8.4-9.1 use procpid instead of pid
SELECT
pg_terminate_backend(procpid)
FROM
pg_stat_activity
WHERE
-- don't kill my own connection!
procpid <> pg_backend_pid()
-- don't kill the connections to ...
File Explorer in Android Studio
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Alexander KulyakhtinAlexander Kulyakhtin
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