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Boost.Asio的简单使用(Timer,Thread,Io_service类) - C/C++ - 清泛网 - 专注C/C++及内核技术
...可以用 boost::asio::ip::tcp::resolver::iterator 来进行迭代.iterator默认的构造函数生成一个end iterator.
tcp::resolver::iterator endpoint_iterator = resolver.resolve(query);
tcp::resolver::iterator end;
现在我们建立一个连接的sockert,由于获得节点既...
Android disable screen timeout while app is running
Is there a way to disable the screensaver while my app is running?
12 Answers
12
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What are the sizes used for the iOS application splash screen?
...ing an application using the iOS SDK. I need to know what Default splash screen sizes I need.
10 Answers
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How to know when UITableView did scroll to bottom in iPhone
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The best way is to test a point at the bottom of the screen and use this method call when ever the user scrolls (scrollViewDidScroll):
- (NSIndexPath *)indexPathForRowAtPoint:(CGPoint)point
Test a point near the bottom of the screen, and then using the indexPath it returns c...
How to request Administrator access inside a batch file
...e file and say Open, they will get one of those UAC dialogs that makes the screen go dark and forces them to answer whether they want to give the application permission to run as administrator. Instead, they are just seeing "Access denied" on the command line window.
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How can I get the active screen dimensions?
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Screen.FromControl, Screen.FromPoint and Screen.FromRectangle should help you with this. For example in WinForms it would be:
class MyForm : Form
{
public Rectangle GetScreen()
{
return Screen.FromControl(this).Bound...
How to detect page zoom level in all modern browsers?
...project that can be cloned: https://github.com/tombigel/detect-zoom
IE8: screen.deviceXDPI / screen.logicalXDPI (or, for the zoom level relative to default zoom, screen.systemXDPI / screen.logicalXDPI)
IE7: var body = document.body,r = body.getBoundingClientRect(); return (r.left-r.right)/body.off...
TCP 的那些事儿（下） - 更多技术 - 清泛网 - 专注C/C++及内核技术
...是所谓的MSS（Max Segment Size）注意，TCP的RFC定义这个MSS的默认值是536，这是因为 RFC 791里说了任何一个IP设备都得最少接收576尺寸的大小（实际上来说576是拨号的网络的MTU，而576减去IP头的20个字节就是536）。
如果你的网络包可以...
App Inventor 2 中的响应式设计 · App Inventor 2 中文网
...icky issue in designing apps is making apps that look good on devices with screens of differing sizes. For example, apps designed for a given phone should also look good on tablets or phones with a different screen size. Making apps that have this property is called responsive design.
A common ap...
How to get the screen width and height in iOS?
How can one get the dimensions of the screen in iOS?
16 Answers
16
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