dtest11

package main

import (
	"fmt"
	"time"
)

func sender(out chan<- int) {
	for {
		time.After(1 * time.Second)

dtest11

package main

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

func worker(pipeline chan<- int, counter int) {
	t := rand.Intn(10)

dtest11

package main

import (
	"fmt"
	"runtime"
	"time"

	"github.com/gogf/gf/os/glog"
	"github.com/gogf/gf/os/gproc"
	"github.com/gogf/gf/text/gstr"

dtest11

package main

import (
	"bytes"
	"fmt"
	"log"
	"os/exec"
	"time"
)

dtest11

package main

import (
	"fmt"
	"log"
	"os/exec"
	"time"

	"github.com/robfig/cron"
)

dtest11

package main

import (
	"fmt"
	"log"
	"time"

	"github.com/nats-io/nats.go"
)

dtest11

// Copyright 2012-2019 The NATS Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

dtest11

/***

enjoy you time,happy coding.

***/

dtest11

package main

import (
	"fmt"
	"log"
	"sort"
	"strconv"

	"github.com/boltdb/bolt"
)

dtest11

https://www.digitalocean.com/community/tutorials/how-to-install-postgresql-on-ubuntu-20-04-quickstart

sudo -i -u postgres
createuser --interactive

createdb test
在电脑本机商：
sudo adduser sammy
sudo -i -u sammy