大约有 48,000 项符合查询结果(耗时:0.0701秒) [XML]

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How to change the background color of a UIButton while it's highlighted?

...hlighted UIButton (for example when a user has his finger on the button) and I need to change the background color while the button is highlighted (so while the finger of the user is still on the button). ...
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How do I determine if my python shell is executing in 32bit or 64bit?

...r systems, this slightly more complicated test should work on all Python 2 and 3 releases: $ python-32 -c 'import struct;print( 8 * struct.calcsize("P"))' 32 $ python-64 -c 'import struct;print( 8 * struct.calcsize("P"))' 64 BTW, you might be tempted to use platform.architecture() for this. Unfo...
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What is the difference between children and childNodes in JavaScript?

I have found myself using JavaScript and I ran across childNodes and children properties. I am wondering what the difference between them is. Also is one preferred to the other? ...
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Check status of one port on remote host [closed]

I need a command line that can check the port status on a remote host. I tried ping xxx.xxx.xxx.xxx:161 but it doesn't recognize the "host". I thought it was a "good" answer until I did the same command against a host I know has that port open. This is for a batch file on Windows that will chec...
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How persistent is localStorage?

...ttings are stored in it. Some settings require the user the write regex'es and they would be sad if their regex rules are gone at some point. So now I am wondering just how persistent the localStorage is. ...
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Why is subtracting these two times (in 1927) giving a strange result?

...ng program, which parses two date strings referencing times 1 second apart and compares them: 10 Answers ...
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What is the difference between 0.0.0.0, 127.0.0.1 and localhost?

I am using Jekyll and Vagrant on my mac. I found that Jekyll server will bind to 0.0.0.0:4000 instead of 127.0.0.1:4000 . Also gem server will bind to this address by default. I can still visit it via http://localhost:port . But for Jekyll , it seems that the default setting (e.g. 0.0....
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How to Convert Boolean to String

...you need it for it might not be the best sulution. – Androme May 8 '10 at 18:43 1 @DoomStone I kn...
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How to join multiple lines of file names into one with custom delimiter?

I would like to join the result of ls -1 into one line and delimit it with whatever i want. 22 Answers ...
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performSelector may cause a leak because its selector is unknown

...s for a reason. It's very rare that this warning should simply be ignored, and it's easy to work around. Here's how: if (!_controller) { return; } SEL selector = NSSelectorFromString(@"someMethod"); IMP imp = [_controller methodForSelector:selector]; void (*func)(id, SEL) = (void *)imp; func(_contr...