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How can "let's go to Golang" to transfer process resources and set the number of available CPU cores Previously, I learned about the basic knowledge of the collaboration process, the CPS concurrency model, and the million level concurrency of Golang. Let's transfer the collaboration resources and set the number of available CPU cores ...

9.1 basic knowledge Locking and unlocking of write operations, referred to as "write locking" and "write unlocking": func (*RWMutex)Lock() func (*RWMutex)Unlock() Locking and unlocking of read operations are referred to as "read locking" and "read unlocking": func (*RWMutex)RLock() func (*RWMutex)RUnl ...

Teach you how to import the third-party library of Go language 1, Get using go get The go command go get allows us to quickly and easily download or update the go language pack and its dependent files from the network, compile and install them. First enter go --help in command line mode to view the following information. Go is a tool for ma ...

Basic types and function usage of go 1, go language introduction 1 go language introduction Go, or Golang, is a programming language officially disclosed by Google in November 2009. It is characterized by simple syntax and fast speed. Go is a static (compiled) strongly typed language and a weakly typed language different from analytical langua ...

What is Context? Context refers to the context of the standard library Context is an interface object, which is often used for asynchronous IO control and the transfer of context process variables. In GoFrame, context is mainly used to share data between processes. What's the use of Context? GoFrame is a network application development frame ...

A structure is a data set composed of a series of data of the same type or different types. The type in the structure can be arbitraryThe storage space of the structure is continuousStructure is used to express all or part of the attributes of a thingYou can use structs to implement object orientation definition type Type name struct { Fiel ...

Go language is a simple and interesting programming language. Like other languages, it will inevitably encounter many pits when used, but most of them are not the design defects of go itself. If you have just moved to go from another language, this article may help you. Designed to help you skip these pits and reduce a lot of debugging time. G ...

Preface - From Wan Junfeng Kevin The average delay of the service is basically about 30ms. One of the very big prerequisites is that we make extensive use of MapReduce technology, so that even if our service calls many services, it often depends only on the duration of the slowest request. For your existing services, you do not need to optimi ...

introduce Through a complete example, Prometheus monitoring middleware is added to the micro service based on GoFrame framework. What is Prometheus monitoring interceptor / Middleware? The monitoring interceptor will record Prometheus Metrics for each API request. We will use rk-boot To start the micro service of GoFrame framework. ...

Main purpose of this chapter It mainly focuses on high-quality code, completeness, standardization and robustness.The writing of test cases is usually done hastily in order to complete the unit test coverage. After studying this chapter, we can find that our previous test cases are very poor in practicability. There are only normal cases, and ...