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PHP $_SERVER['HTTP_HOST'] vs. $_SERVER['SERVER_NAME'], am I understanding the man pages correctly?
... $_SERVER docs . Do I have this right regarding which to use for my PHP scripts for simple link definitions used throughout my site?
...
Android emulator: How to monitor network traffic?
...o filter out solely emulator traffic, since it is coming from the same src IP.
Perhaps the best way would be to set up a very bare VMware environment and only run the emulator in there, at least that way there wouldn't be too much background traffic.
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自动生成Linux下Makefile全攻略（automake原理） - C/C++ - 清泛网 - 专注C/C++及内核技术
...定大家对Makefile自动化编译有基本的了解，Linux编译安装软件的方法的主要步骤及输出结果如下：1、. configure 输出Makefile文件2...本文假定大家对Makefile自动化编译有基本的了解（不了解的最好先熟悉下，参见《Makefile经典教程（...
Regular expression that matches valid IPv6 addresses
I'm having trouble writing a regular expression that matches valid IPv6 addresses, including those in their compressed form (with :: or leading zeros omitted from each byte pair).
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How to sleep for five seconds in a batch file/cmd [duplicate]
Windows's Snipping tool can capture the screen, but sometimes I want to capture the screen after five seconds, such as taking an image being displayed by the webcam. (Run the script and smile at the camera, for example.)
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Android应用开发性能优化完全分析 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...实用（这里有一篇AS MT个人觉得不错的分析文章（引用自网络，链接属于原作者功劳）），如下图：
2-3-7 使用Systrace进行分析优化
Systrace其实有些类似Traceview，它是对整个系统进行分析（同一时间轴包含应用及SurfaceFlinger、Wind...
Setting up FTP on Amazon Cloud Server [closed]
...at you already have an EC2 instance created and have associated an Elastic IP Address to it.
Step #1: Install vsftpd
SSH to your EC2 server. Type:
> sudo yum install vsftpd
This should install vsftpd.
Step #2: Open up the FTP ports on your EC2 instance
Next, you'll need to open up the F...
比尔盖茨“未来生活预言”的科技豪宅（图） - 资讯 - 清泛网 - 专注C/C++及内核技术
...样级别的霸道总裁，自然住得极其讲究。更何况，他是干软件出身，家里还不率先武装最先进的技术设备吗？他的宅第坐落在西雅图，外界称它是“未来生活预言”的科技豪宅，换句话说，他家就指引着数字生活的航向。
虽然...
How to test which port MySQL is running on and whether it can be connected to?
... I thought to be externally visible, it had to be the machine's own IP address and that 0.0.0.0 means the service is not available from anywhere. Do I have that wrong? I have a box running MySQL, the firewall has 3306 open from any IP address but MySQL is refusing the connection, I thought b...
What is a non-capturing group in regular expressions?
...1).
Let's try some substitutions now. Consider the following text:
Lorem ipsum dolor sit amet consectetuer feugiat fames malesuada pretium egestas.
Now, let's use this dumb regex over it:
\b(\S)(\S)(\S)(\S*)\b
This regex matches words with at least 3 characters, and uses groups to separate th...