Programming VIP

[TOC] Go language principle Basics self-taught Error Error vs Exception Error Type Sentinel Error predefined error value Sentinel errors Be you API Public part. Sentinel errors A dependency is created between the two packages. conclusion: Avoid as much as possible sentinel errors. Error types type MyError struct { Msg string ...

1, Introduction to goroutine Foundation goroutine is a coroutine in Golang. It is a micro thread, which consumes less resources than threads. The function of thread is to carry out concurrency or parallelism, and make full use of the resources of computer multi-core. Concurrent multiple tasks run on one cpu, only one task is processed at a cer ...

background Hello, everyone. I'm asong. I saw a very interesting interview question in an exchange group a few days ago. Today I share it. Let's take a look at this question first: fmt.Println(nil== nil) What is the comparison result of two Nils? true, false, or unable to compile? Let's think first and reveal the answer in the article. Defini ...

Install Go environment Installation package download address: https://golang.org/dl/ , it can't be opened https://studygolang.com/dl Download. After the download and installation is completed, you can open Win+R and enter cmd to check whether the installation is successful. If you enter go version successfully and display the version numb ...

Hello, I'm Taibai. Today I'd like to talk to you about Slice of Go language and some of its skills. Original address (illustrated in the original): mp.weixin.qq.com/s/pNfx7AtXg_SiapW... Welcome to my first official account (which will share Go, micro services, architecture, open source projects, source analysis, etc.): 1 Preface Slicing is ...

preface I always want to find out what kind of technical article is a good article? Because it is not easy to write an article that you are willing to read in the future, you can only strive for this goal for the time being. Recently, I started to brush some questions with Go and encountered some detailed problems related to slicing. Here is ...

Gorm quick start Gorm is the ORM framework of Go language, which is characterized by: Full feature ORM (almost all features)Model Association (one to one, one to many, one to many (reverse), many to many, polymorphic Association)Hook (Before/After Create/Save/Update/Delete/Find)PreloadaffairComposite primary keySQL constructorauto migratejour ...

With the recommendation of my senior, I will use go to develop the back-end! I've gone through the basic grammar of go before. Now I'm learning the Gin and Gorm framework. I'd like to make a record and hope it will be helpful to you. Of course, because I'm a novice to go, I have something wrong to write. Thank you! By the way, here's the basic ...

This is the fifth in a series of tutorials on Go language unit testing from zero to slip. It introduces how to use gocovey to better write unit tests and make the unit test results more intuitive and visual. In the previous "Go single test series 5 - Monkey piling test", we introduced how to use monkey to pile functions and methods in ...

Iris introduction Iris is a framework used to develop web applications in Go language. The framework supports writing once and running with minimum machine power anywhere, such as Android, ios, Linux and Windows. The framework only needs an executable service to run on the platform. Iris framework is familiar to developers with its simple and ...