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How Do I Take a Screen Shot of a UIView?
I am wondering how my iPhone app can take a screen shot of a specific UIView as a UIImage .
15 Answers
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Full screen background image in an activity
I see many applications that use a full-screen image as background.
This is an example:
13 Answers
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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
...include <boost/date_time/posix_time/posix_time.hpp>
使用asio至少需要一个boost::asio::io_service对象.该类提供了访问I/O的功能.我们首先在main函数中声明它.
int main()
{
boost::asio::io_service io;
下一步我们声明boost::asio::deadline_timer对象.这个asio...
Should I use pt or px?
... of an inch (0.25mm) or a little more. The px unit got its name from those screen pixels.
Nowadays there are devices that could in principle display smaller sharp dots (although you might need a magnifier to see them). But documents from the last century that used px in CSS still look the same, no m...
Android emulator shows nothing except black screen and adb devices shows “device offline”
...ulator by issuing the command emulator @A2 , an emulator comes up on the screen. But even after waiting for as long as 2-3 hrs, all it shows is a black screen. Not even the android home screen or the android logo. Just a black screen. And while initially "adb devices" shows the emulator as offline...
响应式web设计之@media screen，手机网页自适应 - 更多技术 - 清泛网 - 专...
响应式web设计之@media screen，手机网页自适应@media screen and (max-width: 600px) { *当屏幕尺寸小于600px时，应用下面的CSS样式* .class {background: #ccc;}}@media scre...
@media screen and (max-width: 600px) { /*当屏幕尺寸小于600px时，应用下面的CSS样式*/
...
How to set dialog to show in full screen? [closed]
...a dialog, on which
the picture that i have selected should display in full screen.
5 Answers
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C++及Windows异常处理(try，catch; __try,__finally, __except) - C/C++ - ...
...出错的语句
// 如果有错，就——
throw ... // 初始化一个异常对象（exception object）
}
catch( 类型名 [形参名] ) /* 异常说明符（exception specifier）*/
{ }
catch( 类型名 [形参名] )
{ }
C++的异常处理很简单，就是如上的三个关...
ZMQ: 基本原理 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...什么资料，ØMQ(ZeroMQ)是感兴趣的读者少数能请举出的一个。
本文的目的是解释ØMQ架构的基本概念，它们是如何组合起来的，以及它们被如此设计的原因。
拓扑
拓扑是ØMQ最主要的概念...
ZMQ: 基本原理 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...什么资料，ØMQ(ZeroMQ)是感兴趣的读者少数能请举出的一个。
本文的目的是解释ØMQ架构的基本概念，它们是如何组合起来的，以及它们被如此设计的原因。
拓扑
拓扑是ØMQ最主要的概念...