how do I pass the values of multiple pipes into one pipe? such as ch1: = make (chan string, 10) . . ch: = make (chan string, 100) go Channel1 (ch1) go Channel2 (ch2) go Channel3 (ch3) go Channel4 (ch4) how to transfer data from four pipes to ch...
topic description the above problem can not be avoided is that there are two copies of the data, such as an article being edited in the background and an article that the user is browsing. How to achieve the amount of data modification, the data takes...
the data obtained from MySQL is as follows [map[Uid:3 Avatar:12 Username:jack Level: Content:1212 Created_at:1540447583 Id:1] map[Username:jack Level: Content:1212 Created_at:1540447612 Id:2 Uid:3 Avatar:12]] how to efficiently get the Uid collection ...
Code of swoole <?php $http = new swoole_http_server("127.0.0.1", 9501); $http->on("start", function ($server) { echo "Swoole http server is started at http: 127.0.0.1:9501 n"; }); $http->on("request&q...
type Request struct { ... } r1 := new(Request) r2 := &Request{} what s the difference between R1 and R2? I see net http request.go func (r * Request) WithContext (ctx context.Context) * Request in the standard library new . After readi...
an official demo package main import "fmt" func sum(s []int, c chan int) { sum := 0 for _, v := range s { sum += v } c <- sum send sum to c } func main() { s := []int{7, 2, 8, -9, 4, 0} c := make(cha...
can the front-end H5 JS or browser receive udp packets? How did it happen? How does the server push messages to the web web side through udp? It s UDP _ Is there any case or Demo? from the Great God?...
how does the go language distinguish packages, files, and folders? for example, there is a file: d: workspace www go_work src project_01 hello.go package main import "fmt" func main(){ fmt.Println("hello") } lo...
type UserInfo struct { UserId int `json:"user_id"` Nickname string `json:"nickname"` } func (data UserInfo) A() int{ return 1 } func (data *UserInfo) B() int{ return 2 } ... c.HTML(http.St...
how do I call a method in bb.go in aa.go? ...
I want to know how to authenticate Golang Restful API, but I don t have a clue about it. ...
I. parsing json array strings data:= `[ { "name": "aaa", "id": "54546221" }, { "name": "bbb", "id": &q...
for example, set a string as GroupTag. Automatically discover both sides with two devices in the local area network and verify that the GroupTag starts to exchange data if the same? ...
use x.net.websocket to read information, there is a lot of data, and it is found that it cannot be read completely at one time. Always returns a length of 4092, func receiveWebsocket(ws *websocket.Conn) error { for { var msg = make([]byte,...
what s the difference between an event bus (engine) and a message queue? ...
for the goweb framework, there is a blog saying: there are a lot of Go Web frameworks at present, and there are a lot of man-made wheels, which is related to the simplicity and extensibility of Go Web s design. If I find official routing inconvenient...
how does the gin framework of go language write restful API, to organize file directories? can you give me some reference? searched in github, Jianshu, Zhihu, medium, etc., is either too simple, a main.go is over, or multifarious, do not see the idea...
b, ok: = val. ([] byte) if it s a conversion type, shouldn t it be [] byte (val)? it s similar to string (val) . ...
vscode introduces external styles when writing className. When selecting external style class names, does vscode automatically complete all class names that should be introduced into style classes? there are in webstrom, vscode did not find ...
when calling a function, how should I change the function name to a parameter of type func if the function name is a string? func test1 () { fmt.Println("hello") } func addFunc (cmd func ()) { fmt.Println(cmd) } function name read dy...
<template> <div id="app"> <router-view>< router-view> < div> < template> <script lang="ts"> import { Vue, Component } from vue-property-decorator @Component export default...
wamp3.1.0 64-bit version. Port changed to: 8888 E e: PHP htppd-vhosts.conf hosts: results cannot be accessed. A lot of configurations on the Internet are from a few years ago, not 3.1.0, and there are some changes in many places. I am a begin...
generally speaking, the Internet likes to say that a framework or technology is "community-driven ". What I want to ask is that "community-driven " means open source on github. Can everyone participate in development and maintenance? Is it specifically...
vue list page cannot be scrolled ...
quoting Vuescroll.js can beautify the scroll bar, but if you report an error, you can t read it. Has anyone encountered this situation data() { return { ops: { bar: { vBar: { background: "-sharp1664b7&quo...