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从源码编译 golang
首先下载 golang 的代码，可以从 https://golang.org/dl 或者中国的 mirror https://golang.google.cn/dl 下载最新的 go<version>.src.tar.gz. 然后开始编译就可以。
构建方法基本可以参考官方文档 就可以。
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Go Proxy Configurations
To speed up our dependencies updating for golang, or prepare some patterns for our special libraries, we probably consider to use a proxy to speed it up.
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Gracefully shutdown a http server in golang
To gracefully shutdown a http server requires a few steps.
The http library's serving function will block over there when getting started, until we call http.Server.Close(). As for us, we can invoke the starting function in a goroutine, and call close in another one.
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Detect the exists of methods in golang
Suppose we are trying to process a few interfaces, but not sure does a specific function exists.
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Hou, a simple toolkit for Node.js
For the purpose of providing a web service to a Node.js project to users, we may require a small middleware to start an HTTP service to handle the HTTP requests.
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SIGR: Yet Another Simple SIGnal manageR
Signal plays an important role in communication with POSIX system.
For example, what if our code been killed, interrupted, hung on? Generally, the operation system (I am talking about BSD, Unix-like, POSIX system, same in the follow but will omitted), will not really "KILL" it, it will just send a kill signal with id to this process, the this process will process this signal later.
Here is a table to describe the id to default action.