Go language sort 10 million random number. Open the dual core. It took 120 seconds, do not know how to optimize.

Package Mainimport ("FMT" "OS" "Runtime" "Test" "Time") var x chan []int = make (chan []int, 1) var Num int = 10var Wnum int = 10 0func Main () {FMT. Println (time. Now ()) var list1, List2 []intvar R chan []int = Do (chan []int, 1) for I: = 0; i

C++,python,golang Control Study-02

This is a creation in Article, where the information may have evolved or changed. main functionThere is only one main function in go, and the main function must be in package main. The main function has no return value and no parameters, and if you

Golang Collecting Pictures

This is a creation in Article, where the information may have evolved or changed. help friends to collect, see he opened a South Korean web site a point to save see not go down the speed is too slow, originally wanted to write with PHP, just see no

Golang implementing Base64 encryption and decryption

This is a creation in Article, where the information may have evolved or changed. 01 package main 02 03 import ( 04     "encoding/base64"

The problem of Golang runtime-gdb.py

This is a creation in Article, where the information may have evolved or changed. Problem: (GDB) source/users/sherlock/documents/go/src/runtime/runtime-gdb.pyloading go Runtime support. Traceback (most recent): File

Stack _ Inverse Polish Expression _ Calculator implementation _golang version

This is a creation in Article, where the information may have evolved or changed. Using stacks and inverse Polish expressions to implement a calculator, the programming language is Golang. The inverse Polish expression can be used to translate

Golang Data type Map

This is a creation in Article, where the information may have evolved or changed. 1 Map Introduction Map is a bunch of unordered sets of key-value pairs, similar to the concept of a dictionary in Python, which is formatted as Map[keytype]valuetype

SSH weak password scan (Golang version)

This is a creation in Article, where the information may have evolved or changed. 0x00 Try to penetrate the process, the initiation of a little oneself also write a little code, do not use other people's tools of the idea. So when I had a whim to

Golang WebSocket Summary (problem sticker)

This is a creation in Article, where the information may have evolved or changed. because of the need for work, contact with the WebSocket, the beginning of some very simple code, do not know how to run up, so, there is always a layer of mystery,

A Golang-based distributed storage open source project

This is a creation in Article, where the information may have evolved or changed. Project Address: https://code.google.com/p/weed-fs/ Weed-fs is a simple and high-performance distributed storage System with two goals: 1. Store massive files 2, quick

Golang's map,slic turn json note Chan

This is a creation in Article, where the information may have evolved or changed. Can edit this code! Click here and start typing. Package Main Import "FMT" Import "Encoding/json" Type Channeloperator struct { Oid string Aid string Name

Golang Creating Daemons

This is a creation in Article, where the information may have evolved or changed. Package Main Import ( "OS" "Os/exec" "Path/filepath" ) If OS. Getppid ()!=1{//Determine if it is a child process, and the child process will be taken over by system

System knowledge Behind the Goroutine

This is a creation in Article, where the information may have evolved or changed. Go language from the birth to popularization has been three years, the forerunner is mostly the background of web development, there are some popular type of books,

Go assertion to convert data types

This is a creation in Article, where the information may have evolved or changed. The assertion functionality is provided in the Golang language. All programs in Golang implement the interface of interface{}, which means that all types, such as

Golang sending a post form request

This is a creation in Article, where the information may have evolved or changed. First write a server that can receive the POST request: Package Mainimport ("FMT" "Net/http") func Main () {http. Handlefunc ("/postpage", func (w http).

A Tour of Go-exercise:web Crawler

This is a creation in Article, where the information may have evolved or changed. A Tour of Go Exercise:web Crawler In this exercise you'll use the Go ' s concurrency features to parallelize a web crawler. Modify the Crawl function to fetch URLs in

Golang learning notes [1] Basics

This is a creation in Article, where the information may have evolved or changed. Golang found it was fun. Long time no log, continue to restore it. One project Main.gopackage mainimport ("Errors" "FMT" "Math" "OS") Func main () {/*go

Common pitfalls and pitfalls of Go language (defer)

This is a creation in Article, where the information may have evolved or changed. Common pitfalls and pitfalls of Go language (defer) Example one: Defer and closure May I ask the following code snippet Func foo (a, b int) (i int, err error) {

Golang object-oriented type, method, polymorphism

This is a creation in Article, where the information may have evolved or changed. Golang object-oriented type, method, polymorphism I. Methods and Functions What is a method? What is the difference from a function? A method is a function that can

Golang string Processing Daquan

This is a creation in Article, where the information may have evolved or changed. Package main import ("FMT" "Strings"//"Unicode/utf8") func main () {FMT. Println ("Find whether the substring is in the specified string") Fmt. PRINTLN ("Usage of the

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