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How do you trigger a block after a delay, like -performSelector:withObject:afterDelay:?
....42
// Delay 2 seconds
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, Int64(2.0 * Double(NSEC_PER_SEC))), dispatch_get_main_queue()) { () -> Void in
println("Sum of times: \(time1 + time2)")
}
Objective C
CGFloat time1 = 3.49;
CGFloat time2 = 8.13;
// Delay 2 seconds
dispatch_after(...
File Hash 扩展：文件哈希计算和 Base64 编码文件，sha256、sha512 哈希 ·...
... File Hash 扩展：文件哈希计算和 Base64 编码文件，sha256、sha512 哈希
File Hash 扩展
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扩展特性
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函数
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Vertically align an image inside a div with responsive height
...e-set the font-size property of the div to display the inside text. Online Demo.
<div class="container">
<div id="element"> ... </div>
</div>
.container {
height: 300px;
text-align: center; /* align the inline(-block) elements horizontally */
font: 0/0 a;...
Where is git.exe located?
...ion of "git-for-windows", like:
PortableGit-2.4.4.2-3rd-release-candidate-64-bit.7z.exe
Then add to %PATH%:
c:\path\to\PortableGit-2.4.4.2-3rd-release-candidate-64-bit\cmd
c:\path\to\PortableGit-2.4.4.2-3rd-release-candidate-64-bit\usr\bin
You will not only get git.exe, but also 200+ executabl...
Integrating MySQL with Python in Windows
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Download page for python-mysqldb. The page includes binaries for 32 and 64 bit versions of for Python 2.5, 2.6 and 2.7.
There's also discussion on getting rid of the deprecation warning.
UPDATE: This is an old answer. Currently, I would recommend using PyMySQL. It's pure python, so it supports...
Convert base-2 binary number string to int
I'd simply like to convert a base-2 binary number string into an int, something like this:
8 Answers
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Disabling and enabling a html input button
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$('#Button').prop('disabled', false);
Demo Here
P.S. Updated the code based on jquery 1.6.1 changes. As a suggestion, always use the latest jquery files and the prop() method.
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Location of my.cnf file on macOS
...you start the server using the mysqld_safe program, mysqld_safe sets it to BASEDIR, the MySQL base installation directory.
file specified with --defaults-extra-file=path if any
~/.my.cnf - User-specific
~/.mylogin.cnf - User-specific (clients only)
Source: Using Option Files.
Note: On Unix pl...
Jquery mouseenter() vs mouseover()
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@psychobrm - No. Play with these two demos that also track the mouseleave event: jsfiddle.net/ZCWvJ/232 jsfiddle.net/ZCWvJ/233 If over where the same as enter + leave, then the count for over would be the sum of the counts for enter and leave.
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Does C have a “foreach” loop construct?
...nterested in C++ solutions, C++ has a native for-each syntax called "range based for"
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