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The introduction to Reactive Programming you've been missing

This tutorial as a series of videos

If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.

How to share a folder with a docker container on OSX

Mounting shared folders between OSX and the docker container is tricky due to the intermediate boot2docker VM. You can't use the usual docker -v option as the docker server knows nothing about the OSX filesystem - it can only mount folders from the boot2docker filesystem. Fortunately, you can work around this using SSHFS.

Intro

The plan is to create a pair of executables (ngrok and ngrokd) that are connected with a self-signed SSL cert. Since the client and server executables are paired, you won't be able to use any other ngrok to connect to this ngrokd, and vice versa.

DNS

Add two DNS records: one for the base domain and one for the wildcard domain. For example, if your base domain is domain.com, you'll need a record for that and for *.domain.com.

Different Operating Systems

title: express4.2源码解析 date: 2014-05-18 15:00:50 categories: express tags: [nodejs, node, js, express]

express是nodejs平台上一个非常流行的框架，4.2.0是最新的版本，相比3.x版本优化了代码和api，去除了connect模块，自己实现了一个router组件，实现http请求的顺序流程处理，去除了很多绑定的中间件，使代码更清晰。

##1.使用express 如何使用express在官网有很好的讲解，只用experssjs实例app的几个函数，就可以构建构建web程序。

	// Simple proxy/forwarding server for when you don't want to have to add CORS during development.

	// Usage: node proxy.js
	// Open browser and navigate to http://localhost:9100/[url]
	// Example: http://localhost:9100/http://www.google.com

	// This is NOT for anything outside local development. It has zero error handling among other glaring problems.

	// This started as code I grabbed from this SO question: http://stackoverflow.com/a/13472952/670023

	var http = require("http");
	var https = require("https");
	var crypto = require('crypto');

	function HTTPDigest(username, password, use_https) {
	this.username = username;
	this.password = password;
	this.use_https = use_https;
	}

	good, 你已经有了一个自己的shadowsocks代理了，现在想要把这个代理公布出去给所有人分享。
	但是没有两个小时，代理就没法使用了，为什么？因为你需要额外注意以下事项（以下步骤需要比较高的linux技能）
	本文只关注于确保shadowsocks服务还“活着”，如果你希望让其跑得更快，请参考
	https://github.com/clowwindy/shadowsocks/wiki/Optimizing-Shadowsocks

	1、 shadowsocks的timeout设置
	超时时间越长，连接被保持得也就越长，导致并发的tcp的连接数也就越多。对于公共代理，这个值应该调整得小一些。推荐60秒。

	2、检查操作系统的各种限制
	对于openvz的vps，特别需要检查一下

	function AjaxError(jqXHR, textStatus, errorThrown) {
	this.name = "AjaxError";
	this.message = textStatus;
	this.jqXHR = jqXHR;
	this.errorThrown = errorThrown;
	}
	AjaxError.prototype = new Error();
	AjaxError.prototype.constructor = AjaxError;

	(function($) {

	/*
	Split an array into chunks and return an array
	of these chunks.

	With kudos to github.com/JudeQuintana

	This is an update example for code I originally wrote 5+ years ago before
	JavaScript took over the world.

	Extending native objects like this is now considered a bad practice, so use