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golang implements one-way linked list Introduction to one-way linked list Unidirectional linked list (single linked list) is a kind of linked list, which is characterized by the unidirectional link direction of the linked list. Each element of the unidirectional linked list is called a node. Each node can be anywhere in memory. The node conta ...

hi, Hello, I'm hhf. There is such a Go interview question: please tell the difference between slice and array? This is simply a sub question. But how can you answer to the interviewer's satisfaction? I won't post the answer to this question here. However, I want to briefly analyze the difference between slice and array in terms of memory. A ...

Golang high concurrency: producer consumer model In this blog post, we mainly introduce the producer consumer model through several examples. Case 1 Let's look at the producer process in the first example. //Producer collaboration go func() { for { product := strconv.Itoa(time.Now().Nanosecond()) chanShop <- "commodity" + produ ...

code analysis github.com/tal-tech/go-zero@v1.2.3/core/discov/publisher.go package discov import ( "github.com/tal-tech/go-zero/core/discov/internal" "github.com/tal-tech/go-zero/core/lang" "github.com/tal-tech/go-zero/core/logx" "github.com/tal-tech/go-zero/core/proc" "github.com/tal-tech/go-zero/core/syncx" "github.c ...

createdtime 20210827 updatedtime 20210827 author venki.chen abstract Focus on learning basic knowledge (data type, control structure and precautions) data type Define structure package api import ( "fmt" ) // Teacher definition structure type Teacher struct { Name string Age int School string } // AccessApiOne e ...

Author: Regan YueSource: Hang Seng LIGHT cloud communityUltra fine! A case of Zookeeper electionToday, let's take you to the case of realizing election with Zookeeper to help you better learn Zookeeper.1, Install required third-party librariesTo use Go to operate Zookeeper, you need to use Go get GitHub com/samuel/Go-Zookeeper/zk. According to ...

summary Writing unit tests is always painful for developers. The main reason for this is that, generally, unit tests (functional unit tests) should not use any physical components / running instances of the application. For example, unit tests of API SDK should not have any running API instances. That's why it's crucial to simulate applica ...

Write in front This time, we use gRPC implementation to obtain user information 1. Installation 1.1 grpc grpc can be installed directly by go get go get google.golang.org/grpc 1.2 proto Download proto. I downloaded this. Then extract it and put the bin directory directly in the system variable 1.3 protobuf We're at the ...

catalogue preface Premises CLD layering concept Gin web scaffolding config - global configuration information settings - set configuration information logger logging dao database configuration Use of MySQL slqx Introduction to the use of redis redis Routes - routing controllers logic main.go preface In my cognitive world, the ...

I Design pattern principle 1. Principle of single responsibility A class has one and only one reason for class change, otherwise, the class should be separated 2. Opening and closing principle Open to extension and closed to modification 3. Richter substitution principle It must be ensured that the functions of the base class still take e ...