islishude

func binarySearch(sortedList []int, val int) int {
	a, b := 0, len(sortedList)
	for a < b {
		m := a + (b-a)/2
		if val < sortedList[m] {
			b = m
		} else if val > sortedList[m] {
			a = m + 1
		} else {
			return m

islishude

package main

import "fmt"

func main() {
	list := []int{1, 2, 3, 4}
	{

		head := createLinkedListBySlice(list)
		for {

islishude

package main

import (
	"math/rand"
	"sort"
	"time"
)

func main() {
	slice := rand.Perm(1000)

islishude

package main

import "fmt"

func main() {
	length := 1000
	slice := make([]int, length)
	for i := 0; i < length; i++ {
		slice[i] = i
	}

islishude

$ sudo mkdir -p /etc/systemd/system/docker.service.d
$ edit /etc/systemd/system/docker.service.d/http-proxy.conf
[Service]
Environment="HTTP_PROXY=http://proxy.example.com:80/"
Environment="HTTPS_PROXY=http://proxy.example.com:80/"
Environment="NO_PROXY=localhost,127.0.0.1,docker-registry.example.com,.corp"
$ sudo systemctl daemon-reload
$ $ sudo systemctl restart docker

islishude

add flowing to profile array field and save

{
    "acrylicOpacity": 0.75,
    "closeOnExit": true,
    "colorScheme": "Campbell",
    "commandline": "C:/Program Files/Git/usr/bin/bash.exe --login",
    "cursorColor": "#FFFFFF",
 "cursorShape": "bar",

islishude

protobuf data type

type	go	note
double	float64
float	float32
int32	int32	变长编码
int64	int64	变长编码
uint32	uint32	变长编码
uint64	uint64	变长编码

islishude

func main() {
	// ethereum address generator
	{
		var uncompressed = make([]byte, 65)
		hash := sha3.NewLegacyKeccak256()
		hash.Write(uncompressed[1:])
		address := fmt.Sprintf("%#x", hash.Sum(nil)[12:])
	}

  // EOS address generator

islishude

add user

rabbitmqctrl add_user root root
rabbitmqctrl set_permissions -p / root ".*" ".*" ".*"
rabbitmqctrl set_user_tags root administrator

queue declear args

islishude

下载：

go get -tags 'mysql' -u -v github.com/golang-migrate/migrate/cmd/migrate

创建名称为 test 的数据库：

create database test;