Go Programming Basics

This is a creation in Article, where the information may have evolved or changed.

Go was officially released by Google in 2009.

Key Features of Go:

1. Type safety and memory security

2. Achieve high concurrency with intuitive and low-cost solutions

3. Efficient garbage collection mechanism

4. Fast compile (also solve the problem of too many header files in C language)

5. Provide performance improvement for multi-core computers

6.utf-8 encoding support, native support UTF-8

Practical applications and resources for go:

1. YouTube (Google), the world's largest video site

2. Seven Qiniu storage and network disk services (Q-disk)

3. Well-known companies that have used go development on the server: Google, Shanda Network, seven KN, 360.

Install the Go language:

1. Go source Installation

2. Go Standard Pack installation

3. Third-party tool installation

Go environment variables and working directory:

3 directories need to be created under Gopath:

1. Bin: Store the compiled executable file

2. PKG: Store the generated package files after compilation

3. SRC: Store Project source code

Command line: Go env display GO environment variable configuration

Go common commands:

Go get: Get remote package, need to install Git or Hg in advance

Go run: Run the program directly

Go BUILD: Test compilation, check for compilation errors

Go FMT: Formatted source (some Ides are automatically called when saved)

Go install: Compile the package file and compile the entire program

Go test: Run the testing file

Go doc: View documentation (CHM manual)

Browse Go official website in browser: command line input: godoc-http=:8080 can be entered in browser: localhost:8080 view