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Replace selector images programmatically

...Drawable states = new StateListDrawable(); states.addState(new int[] {android.R.attr.state_pressed}, getResources().getDrawable(R.drawable.pressed)); states.addState(new int[] {android.R.attr.state_focused}, getResources().getDrawable(R.drawable.focused)); states.addState(new int[] { }, ...
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Lua简明教程 - 脚本技术 - 清泛IT论坛,有思想、有深度

...四个值被丢弃。函数也可以返回多个值:function getUserInfo(id)     print(id)     return "haoel", 37, "haoel@hotmail.com", "http://coolshell.cn" end name, age, email, website, bGay = getUserInfo()复制代码 注意:上面的示例...
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WaitAll vs WhenAll

...een Task.WaitAll() and Task.WhenAll() from the Async CTP ? Can you provide some sample code to illustrate the different use cases ? ...
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HTML / CSS How to add image icon to input type=“button”?

... background-position: <left|right>; padding-<left|right>: <width of image>px; It's usually a little easier to use a button with an img inside: <button type="submit"><img> Text</button> However the browser implementations of button for submitting are inconsist...
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How to use System.Net.HttpClient to post a complex type?

...questMessage<T> has been removed. This : new HttpRequestMessage<Widget>(widget) will no longer work. Instead, from this post, the ASP.NET team has included some new calls to support this functionality: HttpClient.PostAsJsonAsync<T>(T value) sends “application/json” HttpCli...
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How to position a table at the center of div horizontally & vertically

..., you can set left and right margin to auto: <style> #test { width:100%; height:100%; } table { margin: 0 auto; /* or margin: 0 auto 0 auto */ } </style> To center it vertically, the only way is to use javascript: var tableMarginTop = Math.round( (testHeight - tab...
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Asynchronous shell exec in PHP

... @MichaelJMulligan it closes the file descriptors. That said, despite the efficiency gains, in hindsight, using /dev/null is the better practice, as writing to closed FDs causes errors, whereas attempts to read or write to /dev/null simply silently do nothing. –...
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HTML inside Twitter Bootstrap popover

I am trying to display HTML inside a bootstrap popover, but somehow it's not working. I found some answers here but it won't work for me. Please let me know if I'm doing something wrong. ...
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How can I add “href” attribute to a link dynamically using JavaScript?

... var a = document.getElementById('yourlinkId'); //or grab it by tagname etc a.href = "somelink url" share | improve this answer | ...
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How to change column datatype in SQL database without losing data

...d Jul 8 '15 at 3:09 Xyed Xain HaiderXyed Xain Haider 41833 silver badges1414 bronze badges ...