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Greenlet Vs. Threads
...to your system.
Concurrency is not parallelism
Threads vs. processes
Multiprocessing vs. threads
GIL vs. CPython
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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?
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TCPServer TCP服务器扩展：在Android设备上创建TCP服务器 · App Inventor 2 中文网
...false = LF (0x0A)。
本地主机 LocalHost
返回服务器的本地 IP 地址。
本地端口 LocalPort
用于接受客户端连接的端口号。
网卡列表 NICList
返回所有已配置的 IPv4 网络接口地址列表。
字符集 Charset
字符编码设置。可选值：US-ASC...
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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2015年硅谷最火的高科技创业公司都有哪些 - 资讯 - 清泛网 - 专注C/C++及内核技术
...组由10多人构成，一部分是对商业产品，核心增长指标做监控，挖掘和改进。一部分是搭建数据仓库完善跟各个部门的无缝数据流动，也用到很多技术例如使用 Scalding编写Hadoop MapReduce程序，也有人做AB testing框架， 推荐系统，尽...
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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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...
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...