Programmer Think

Internal mechanism of variables Variables in Go language are divided into two parts: Type information: predefined meta information.Value information: it can change dynamically during program operation. Reflection introduction Reflection refers to the ability to access and modify the program itself during the running period of the program. W ...

2021SC@SDUSC Catalog 1. Preface 1. Description 2.ebiten package directory 3. Summary 2. Infinite Loop Audio 1. Package 2. Introducing packages 3. Start with main() 4.Layout method 5.Update logic 6.Draw drawing interface 7. Running results 8. Summary 3. Ending 1. Difficulties 2. Next time 1. Preface 1. Description audio ...

The previous article talked about the call instruction calling the sum function in main. At this time, the CPU jumps to sum and starts to execute the following commands: 0x0000000000400526 <+0>:push %rbp 0x0000000000400527 <+1>:mov %rsp,%rbp 0x000000000040052a <+4>:mov %edi,-0x14(%rbp) 0x000000000040052d < ...

Control of concurrent tasks In the previous section, we learned about the common concurrency modes of goroutine, channel, and go. In this article, we will explain the control of concurrent tasks in the GoLanguage. Non-blocking waitNon-blocking wait is often used to determine which channel data transfers faster. We use select to determine if ...

Go learning is over Google open sourceCompiled languageLanguage in the 21st century (2007) 0.HelloWord Create a file named hello.go, where. Go is the suffix of the go type file. package main import "fmt" func main(){ fmt.Printf("Hello World!"); } Then open cmd and enter the directory of the file: enter go bulid hello.go Under win ...

gRPC overview RPC When it comes to gRPC, I have to mention RPC. The so-called RPC(remote procedure call) framework actually provides A set of mechanisms to enable communication between applications. In short, the functions written on machine A can be called directly on machine B through the RPC Protocol. It differs from http in that: RPC ...

hi, Hello, I'm haohongfan. Recently, when I was doing the cortex optimization of prometheus ecology, I encountered a problem of go mod. Let's share it here. Why do I call the title: how to cheat Go mod? This is very interesting. We'll sell it here first, but it really breaks through the relevant features of Go mod. (well, Cao Da's Go mod ten ...

zabbix (5.0) deployment and installation www.zabbix.com [official website] 1, zabbix client 1)agent2 New version adopted golang Language development client 2)agent2 The default is 10050 port, that is zabbix Port of the client # Old client: ZABBIX agent # New version client: zabbix-agent2 2, Client Deployment (zabbix-agent2 installat ...

1. Interfaces An interface is a type (defined by the type keyword)An interface defines the behavior specification of an object. Only the specification is defined and not implemented. Specific objects implement the specifications in detail.Interfaces limit the methods that structures must implement 1. Interface type In the Go language, an ...

1, for Go has only one loop structure: for   Cycle. Basic   for   The loop consists of three parts separated by semicolons: Initialization statement: executed before the first iterationConditional expressions: evaluate before each iterationPost statement: executed at the end of each iteration The initialization statement is us ...