Programmer Think

Recently, I bought domain name and server by chance. It's not really a waste. In addition, I haven't owned my own personal website, so I plan to play on the server with hexo, so I don't have to worry about whether to use Github pages or Gitee pages. Of course, today's topic is not blog building, but how to use Github's hook to deploy blog code ...

Gin Web Framework brief introduction web framework developed based on httprouter: https://github.com/gin-gonic/gin Provides Martini style API, but 40 times faster than Martini Very lightweight, simple to use Installation and use of Gin framework Install: go get -u github.com/gin-gonic/gin Basic use import "github.com/gin-gonic/gin" func ...

brief introduction Tracking profiling is not available for most services.But if you encounter the following problems, you might as well try: Suspect which partnership is slow System call problem Collaborative scheduling problems (chan interaction, mutex, semaphore, etc.) It is suspected that gc (Garbage-Collect) affects service performance Net ...

Mysql and Redis operations Mysql development Install mysql and create test library Create table mysql> CREATE TABLE `user` ( `id` bigint(20) NOT NULL AUTO_INCREMENT, `name` varchar(20) DEFAULT '', `age` int(11) DEFAULT '0', PRIMARY KEY (`id`) ) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8mb4; mysql> insert into user (name,age)va ...

Thank you for your reference- http://bjbsair.com/2020-04-01/tech-info/18504.html Today, I introduce how to create WebSocket service with Go language. The first two parts of this article briefly introduce the WebSocket protocol and how to create WebSocket service with Go standard library. In the third part, we use the gorilla/websocket library ...

goroutine and channel goroutine Multithreading func hello() { //fmt.Printf("Hello Goroutine!!\n") for i:=0;i<100;i++ { fmt.Printf("hello:%d\n",i) time.Sleep(time.Millisecond) } } func main() { go hello() //A separate thread has been started, alternating with the following code to make it a multithread //fmt.Pr ...

Character string string is a data type, not a reference or pointer type string is a read-only byte slice. The len function can get all the bytes The byte array of string can hold any data func TestString(t *testing.T) { var s string t.Log(s) //Initialize to default zero value '' s = "hello" t.Log(len(s)) //s[1] = '3' //str ...

Function function The Go function does not support nesting, overloading, and default parameters The following features are supported: No prototype required, variable length parameters, multiple return values, named return value parameters, anonymous functions, closures The definition function uses the keyword func and the left curly brace c ...

Catalog Conditional statement if Conditional statement switch Type Switch Conditional statement select Syntax of select statement: Typical use of select 1. Timeout judgment 2. exit 3. judge whether the channel is blocked Loop statement for Conditional statement if Conditional statement ...

The goal of this framework is to be a generic framework, and I want it to be big and complete, so I can use it directly as a foundation template for other projects in the future, so I want to continue adding some functionality to it, just write some demo in.For this article, I'll add a queue feature. nsq There are many queues, I choose nsq.The ...