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How to setup your own CA with OpenSSL

For educational reasons I've decided to create my own CA. Here is what I learned.

First things first

Lets get some context first.

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Docker Hub 镜像加速器

国内从 Docker Hub 拉取镜像有时会遇到困难，此时可以配置镜像加速器。Docker 官方和国内很多云服务商都提供了国内加速器服务。

Dockerized 实践 https://github.com/y0ngb1n/dockerized

配置加速地址

Ubuntu 16.04+、Debian 8+、CentOS 7+

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ESLint的缓存机制及其在CI中的应用

背景

ESLint是一个前端、Node领域中流行的代码规范检查工具，使用起来很方便。

之前为了强制推行代码规范，我在CI任务中加入了ESLint检查。保障了规范的同时，也引入了痛点：CI的时长延长了2~3分钟左右。因为现在开发的工程体量比较大，ESLint会占用很多的内存、CPU资源，且运行时间较长。

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[Unit]
Description=Redis persistent key-value storage
After=network.target

[Service]
Type=notify
ExecStart=/usr/bin/redis-server /etc/redis.conf --supervised systemd --daemonize no
ExecStop=/usr/bin/redis-cli -p 6379 shutdown
ExecReload=/bin/kill -USR2 $MAINPID
Restart=always

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The introduction to Reactive Programming you've been missing

(by @andrestaltz)

---

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.

---

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import * as ts from 'typescript'

function makeFactorialFunction() {
  const functionName = ts.factory.createIdentifier('factorial')
  const paramName = ts.factory.createIdentifier('n')
  const parameter = ts.factory.createParameterDeclaration(
    undefined,
    undefined,
    undefined,
    paramName,

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@classDecFactory()
class Student {
  @propertyDecFactory()
  name: string

  @methodDecFactory()
  run(@parameterDecFactory() arg: string) {
    console.log(arg)
  }
}

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asdf

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#!/usr/bin/python3

import asyncio
import time
import socket
import argparse

import aiohttp

class MyConnector(aiohttp.TCPConnector):

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Some useful custom text objects for vim

Collection of my custom text objects I use quite often.

Numbers

Put it into your .vimrc: