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ZMQ: 基本原理 - 开源 & Github - 清泛网移动版 - 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...
Android Camera Preview Stretched
...malSize;
}
As you can see you have to input width and height of your screen. This method will calculate screen ratio based on those values and then from the list of supportedPreviewSizes it will choose the best for you from avaliable ones. Get your supportedPreviewSize list in place where Came...
How to handle screen orientation change when progress dialog and background thread active?
.... The dialog is dismissed on the handler. This all works fine, except when screen orientation changes while the dialog is up (and the background thread is going). At this point the app either crashes, or deadlocks, or gets into a weird stage where the app does not work at all until all the threads h...
Is there a way to take a screenshot using Java and save it to some sort of image?
Simple as the title states: Can you use only Java commands to take a screenshot and save it? Or, do I need to use an OS specific program to take the screenshot and then grab it off the clipboard?
...
Where are iOS simulator screenshots stored?
I have saved some screenshots in the iPhone Simulator running iOS 5, but I can't find them.
14 Answers
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VC窗口刷新InvalidateRect和UpdateWindow - C/C++ - 清泛网 - 专注C/C++及内核技术
...w函数，由该函数发送WM_PAINT消息），它会向用户程序发送一个WM_PAINT消息。窗口过程收到WM_PAINT消息后，并不代表整个客户区都需要被刷新，有可能客户区被覆盖的区域只有一小块，这个区域叫做“无效区域”，程序只需要更新...
Retina displays, high-res background images
...his answer, here is the retina detection query I tend to use:
@media
only screen and (-webkit-min-device-pixel-ratio: 2),
only screen and ( min--moz-device-pixel-ratio: 2),
only screen and ( -o-min-device-pixel-ratio: 2/1),
only screen and ( min-device-pixel-ratio: 2),
only screen and ...
C# 能否获取一个对象所占内存的大小？ - 更多技术 - 清泛网 - 专注C/C++及内核技术
C# 能否获取一个对象所占内存的大小？今日，在项目重构的时候忽然想到一个问题，一个类哪些成员的增加，会影响一个类所占内存的大小？C#有没有办法知道一个对象占多少内存呢？ ...今日，在项目重构的时候忽然想到一个问...
支撑Github的开源技术 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...你所需要的开源项目。在3月26日的Showcase中，Github放出了一个新的类目：支撑Github的开源技术，这里列举了Github所使用的一些主要的开源项目。
如下是这些开源项目的介绍：
linguist
语言识别库，能够自动根据项目的代码来...
How do I run a terminal inside of Vim?
...dated answer (11 years later...):
I would recommend using tmux instead of screen as suggested in the original answer below, if you choose to use that solution.
Vim 8.1 now has a built in terminal that can be opened with the :term command. This provides much more complete integration with the rest o...