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How to tell if UIViewController's view is visible
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1109
The view's window property is non-nil if a view is currently visible, so check the main view ...
Are braces necessary in one-line statements in JavaScript?
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211
No
But they are recommended. If you ever expand the statement you will need them.
This is per...
MySQL with Node.js
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chenrui
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answered Apr 28 '11 at 12:51
makmak
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Can we write our own iterator in Java?
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answered May 1 '11 at 15:03
T.J. CrowderT.J. Crowder
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App Inventor 2 数学代码块 · App Inventor 2 中文网
...,b)，使得 ( 下取整(a/b) × b ) + 求模(a,b) = a。
例如，求模(11, 5) = 1、求模(-11, 5) = 4、求模(11, -5) = -4、求模(-11, -5) = -1。
求模(a,b) 始终与 b 具有相同的符号，而 余数(a,b) 始终与 a 具有相同的符号。
余数 (remainder)
余数(a,b) 返回 ...
How to make an element width: 100% minus padding?
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answered Mar 7 '11 at 12:15
thirtydotthirtydot
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Designer Added then removed by Visual Studio on load/unload
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answered Nov 8 '11 at 18:19
Nathan ReedNathan Reed
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apc vs eaccelerator vs xcache
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110
APC is going to be included in PHP 6, and I'd guess it has been chosen for good reason :)
It'...
How can one close HTML tags in Vim quickly?
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11 Answers
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What’s the best way to reload / refresh an iframe?
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edited Jan 30 '11 at 3:58
Yi Jiang
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