how to learn golang

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Golang reflection reflect in-depth understanding and examples

"mainfloat64 = 1.2345pointer := reflect.ValueOf(num)value := reflect.ValueOf(num)// 可以理解为“强制转换”,但是需要注意的时候,转换的时候,如果转换的类型不完全符合,则直接panic// Golang 对类型要求非常严格,类型一定要完全符合// 如下两个,一个是*float64,一个是float64,如果弄混,则会panicconvertPointer := pointer.Interface().(*float64)convertValue := value.Interface().(float64)fmt.Println(convertPointer)fmt.Println(convertValue)}运行结果:0xc42000e2381.2345 Description When converting, if the type of conversion is not fully complian

Golang community of impetuous and programmer groups of vision

, is too large, memory consumption is not flattering, made to put on the cloud disk also did not continue to do optimization. Do not want to talk about technology here today, also did not want to talk about technology, so many programmers were killed in heaven, it is estimated that their technology is too bull X, the indigenous companies in the choice of heaven people when everyone's unanimous opinion is that the day, to sacrifice, but also to find a good programmer sacrifice; With the

Golang Grammar Learning (i): variables, constants, and data types

and assignmentCan be initialized directly when creating a map variable,MyMap = map[string] PersonInfo {"1234": personinfo{"1", "Jack", "Box 101, ..."},}or assign a value directly to the key:mymap["1234"] = personinfo{"1", "Jack", "Box 101, ..."} C. Deletion of elementsDelete the elements within the container directly using the Delete (Map container, key value) function. For example: Delete (MyMap, "1234"); D. Searching for elementsThe map lookup in Golang

Golang Entry Series six Golang control statement

This is a creation in Article, where the information may have evolved or changed. Preface: This paper mainly expounds the use of if else, switch statement and for loop in Golang. One, if Else statement 1.1 Basic syntax In some cases, the parentheses on either side of the conditional statement can be omitted, and when the conditions are complex, you can use parentheses to make the code more readable. Conditions allowed are eligible, use , | | |

Golang-----Golang Sync. Waitgroup Resolving Goroutine Synchronization

This is a creation in Article, where the information may have evolved or changed. go provides sync packet and channel to resolve synchronization and communication. The novice is more likely to create deadlocks for channel channels, and if the buffered channel also takes into account the rate at which the channel is put in and out of the data. Literally can understand, sync. Waitgroup is waiting for a group of threads to end. It implements a similar task queue structure where you can add tasks to

Golang setting the time-out for executed scripts (terminating a process started with os/exec in Golang)

This is a created article in which the information may have evolved or changed. Background Recently in the development of a monitoring data acquisition module, which needs to use the Golang os/exec package to execute the script, considering that the user-written script may cause the program to block, you need to set a time-out for the execution of the program, it was thought that this is a very simple program, But I did not think that the effect of

Learning Golang Language (1): Hello World

This is a creation in Article, where the information may have evolved or changed. Today began to enter the Golang language learning, Golang language installation and testing is no longer explained here. There is a lot of information on the network to reference. Learning Golang Language (1): Hello World Learning Golang

Learning Golang Language (4): Type--string

This is a creation in Article, where the information may have evolved or changed. Follow the "code technique" to learn Golang language, lazy for many days, today continue to explain the type of Golang. Today, the string is explained. Learning Golang Language (1): Hello World Learning

Golang Learning Materials

, eliminate big", we are "see Code, copy code, and finally write code." Here are a few entry-level code to see how to learn: Web.go-quickstart is very simple, is to learn how his routes are implemented, how to write their own routes Icub3d/home Road GitHub This is a go+ ANGULARJS implementation, see How to Do API application Finally, I listed you can refer to the implementation of some of the

Learning Golang Language (5): Type--array

Learning Golang Language (1): Hello World Learning Golang Language (2): Variables Learning Golang Language (3): Type--Boolean and numeric types Learning Golang Language (4): Type--string Learning Golang Language (5): Type--array Learning

Benefits of Golang for Enterprise Systems

This is a creation in Article, where the information may have evolved or changed. Http://www.brendaningram.com/blog/4-brendans-blog/19-12-benefits-of-golang-for-enterprise-systems Benefits of Golang for Enterprise Systems the Go programming Language (commonly known as Golang, and for the purposes of this article referring to version 1.2 or NE WER) was conce

Why choose Golang to write mobile game server

This is a creation in Article, where the information may have evolved or changed. Choose Golang to do game server development After six months of mobile game operation, maintenance, follow-up development, the next network game server-side development technology selection requirements are as follows: 1. System mature, there are large success stories 2. 3 Higher development efficiency. High performance, it is best to support parallel technology to make

Golang Learning Materials

, eliminate big", we are "see Code, copy code, and finally write code." Here are a few entry-level code to see how to learn: Web.go-quickstart is very simple, is to learn how his routes are implemented, how to write their own routes Icub3d/home Road GitHub This is a go+ ANGULARJS implementation, see How to Do API application Finally, I listed you can refer to the implementation of some of the

Watershed Golang into the pit series

looked at the third style, indeed some negative. So learn the lesson, write good is the king, my article I am the boss! Thanks again Xiha implanted Yang classmate) If you don't have a C + + language experience, it's very rare to use pointers, a noun that you'll often hear in your career, but rarely used. Especially when to use *, when to use , only by rote hard to ingenious. In Golang, the use of pointers

Learning Golang Language (5): Type--array

This is a creation in Article, where the information may have evolved or changed. Learning Golang Language (1): Hello World Learning Golang Language (2): Variables Learning Golang Language (3): Type--Boolean and numeric types Learning Golang Language (4): Type--string Learning Gol

The characteristic point of the nil channel close channel in the Golang channel

This is a creation in Article, where the information may have evolved or changed. English original C1. The following actions can cause panic P1. Closing the nil channel. Instance: func C1P1() { var ch chan int close(ch)} Results panic: close of nil channelgoroutine 1 [running]:panic(0x458300, 0xc82000a170) /home/wdy/go/src/runtime/panic.go:464 +0x3e6main.main() /home/wdy/learn/program-

Golang object-oriented thought and implementation

, which is very powerful. Func (poem *poem) recite (v. ... interface{}) {FMT. Println (v)} where v ... interface{} indicates the indefinite meaning of the parameter, where V is the slice type, FMT. The Println method is also defined in this way. If you want to implement different functions according to different parameters, you need to detect the passed parameters within the method. Interface An important thing about object-oriented is the interface, and the interface in

How to learn PHP well, now learn a good blind, do not know what to learn, how to learn?

Reply content:Basic syntax Coding techniques, coding specifications Various functions Various PHP modules Learn a CMS or two-time development Learn about Pdo,ado, data-driven layers, and learn MySQL on the go Error mechanism Object oriented Use a framework to help develop Magic method Design Patterns Reflection Write all kinds of tools, drivers. Write a small fra

Golang Package and Project composition

accessible, the project must be placed in the working directory of Go, and more specifically in the working directory src . For example, my project can be placed in go_workspace\src\yitian\golang-study\golang-programming . Here, in order to differentiate between different third-party packages, a different directory hierarchy is required, such as the third-party library on most GitHub, at the directory leve

How does PHP communicate with Golang?

How does PHP communicate with Golang? Recently encountered a scene: PHP project needs to use a third-party function (stuttering participle), and on GitHub there is a class library written in Golang. So the question is, how do you achieve communication between different languages?The general scenario: Write a http/tcp service with Golang, PHP communic

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