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Rails server says port already used, how to kill that process?
I'm on a mac, doing:
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程序员之网络安全系列（五）：数字证书以及12306的证书问题 - 更多技术 - ...
...取证书。
浏览器发现证书机构是Symantec，然后会在操作系统中受信任的发布机构的证书中去找Symantec的证书，如果找不到，那说明证书的发布机构是个假的，或者不是被权威机构认证的，证书可能有问题，程序会给出一个错误信...
新手程序员应该知道的7件事 - 创意 - 清泛网 - 专注C/C++及内核技术
...迎阅读这7条专为新手程序员总结的建议。
1、了解底层系统
软件开发的一个重要组成部分是，了解编程语言。但是，正如有些人建议的那样，开发人员还需要了解堆栈下面是怎么回事。
“很多语言抽象化了系统层正在发生...
How to completely uninstall Android Studio on Mac?
I recently downloaded Android Studio on my Macbook Pro and I messed up with it every time I open it. It gives me plugin errors and several other errors. I need to uninstall it completely from my mac. I tried to delete it from my mac and then install it again as if you would do the first time, but it...
UCenter实现各系统通信的原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
UCenter实现各系统通信的原理===本文导读===UCenter实现各系统通信的原理如何实现phpcms和discuz的Cookie同步===全文阅读===整合phpcms v9和discuz X3.2实现同步登陆、退出免激活===本文导读===
整合phpcms v9和discuz X3.2实现同步登陆、退出免激...
剖析程序的内存布局 - C/C++ - 清泛网 - 专注C/C++及内核技术
...己复习，二来与大家分享。]
内存管理模块是操作系统的心脏；它对应用程序和系统管理非常重要。今后的几篇文章中，我将着眼于实际的内存问题，但也不避讳其中的技术内幕。由于不少概念是通用的，所以文中大部分...
How to monitor network calls made from iOS Simulator
... answered Jun 20 '12 at 21:31
MacmadeMacmade
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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
...ssages in the application's message queue
也就是说WM_PAINT消息是由系统产生，非要等应用程序的消息队列为空时才发送WM_PAINT消息，并且该消息不应该被程序（自己写代码用SendMessage）来发送。
当调用UpdateWindow函数，或者是Window检测到窗...
How to uninstall Python 2.7 on a Mac OS X 10.6.4?
I want to completely remove Python 2.7 from my Mac OS X 10.6.4. I managed to remove the entry from the PATH variable by reverting my .bash_profile . But I also want to remove all directories, files, symlinks, and entries that got installed by the Python 2.7 install package. I've got the install p...
How to use/install gcc on Mac OS X 10.8 / Xcode 4.4
I have install Mountain Lion (Mac OS X 10.8) and now gcc doesn't seem to be available anymore. I've also installed Xcode 4.4 so there is no more /Developer directory.
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