A, Redis

1.Redis Introduction

What is

It is a C language development, open source nosql database.

characteristic

It supports data persistence
It supports data backup
More data types

Scenarios

Cache
count
like
online users

installation

Ubuntu
Time
Windows

Profiles

port 6379 port
16 database number (0-15) Databases
Save 9000. 1: within 900 seconds there is a change in the stored data the bind
the bind 127.0.0.1: default saved locally
daemonize yes: Start Background

Five data types

string
has set, get, mset, mget, del, strlen, append, incr, decr, incrby, decrby, setrange ( alternatively -), getrange (Get The value range) and the like.
list
have lpush, rpush, lrange, lindex, llen, lpop, lrem ( delete the specified number of the same element), lpop, rpop, lset, ltrim ( taken according to the range and re-assignment), linsert Before / after other methods.
hash
has hset, hget, hmset, hmget, ggetall, hdel, hlen, hexists, hvals / hkeys like.
set unordered collection
have sadd, smembers, sismember, scard (number of elements), srem, srandmember, spop, smove, sdiff, sunion, sinter or the like.
zset ordered set
has zadd, zrange, zrem, zcount, zcard, zrank, zrangebyscore like.

2.Redis and interactive Python

installation

pip install redis

connection

redis.Redis(host='',port=6379,db=')
redis.StrictRedis(host='',port=6379,db=')

Operating
method for different data types with identical or similar redis command.

The master-slave configuration 3.Redis

Reducing the pressure of the main library is written.

The main arrangement
- Modify the configuration file bind parameters
- Turn on the host service
From the configuration
- Copy the configuration file
- Modify the configuration file
- Modify the configuration file parameters
- Open service

Two, Git

1. Git project file management

Project file management steps:

initialization

git init

Add submitted

git add .
git commit -m 'xxx'

Project file status change:

Red indicates new or modified files
Green indicates that the file has been Git to manage

Rollback:

Back rollback:

git log
git reset --hard 版本号

Rollback forward

git reflog
git reset --hard 版本号

Branch

View branch

git branch

Creating a branch

git branch 分支名

Switching branch

git checkout 分支名

Create and switch branch

git checkout -b 分支名

Branches merge

git merge 分支名

Resolve conflicts

Manually resolve the
location of the conflict to find and modify.
Tools to solve
beyond compare so on.

Branching and Version Management

Version of the main branch line
Development branch development function

Use the rebase

Integration submit records, merge multiple versions, as follows:

git rebase -i [版本号/HEAD~3]

2.GitHub

Code hosting, multiplayer collaborative development, code review and so on.

Three, Vue

The basic use of 1.Vue

Computed Property
Binding form
Custom Components
Lifecycle Functions

2.Vue-Router

installation
use

<html>
    <router-link></router-link>
    <router-view></router-view>
</html>

<script>
    var router = new VueRouter({
    orutes:[
        {path:'路径',componment:'组件'}，
        // 动态路由
        {path:'路径/:userid',componment:'组件'}，
        // 匹配404错误
        {path:'*',componment:'组件'}，
        // 路由嵌套
        {
            path:'路径',
            component:"组件',
            children:[
                {path:'路径',componment:'组件'}，
                {path:'路径',componment:'组件'}，
            ]
        }

    ]
})

new Vue({
    router:router
})

</script>

Programmatic navigation

new Vue({
    el:'#app',
    router:router,
    methods:{
        xxx:function(){
            this.$router.push('路径')
        }
    }
})

3.Vue-Cli

nvm installation
npm install
vue-cli create project
Definitions and the import component

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