lifei6671

package main

import (
	"errors"
	"fmt"
	"sync"
	"time"
)

const (

lifei6671

./configure --prefix=/opt/websuite/nginx \
--conf-path=/opt/config/nginx/nginx.conf \
--modules-path=/opt/websuite/nginx/modules \
--error-log-path=/opt/logs/nginx/error.log \
--http-log-path=/opt/logs/nginx/access.log \
--pid-path=/opt/run/nginx --user=websuite \
--group=websuite \
--with-file-aio \
--with-http_ssl_module \
--with-http_v2_module \

lifei6671

package gotin

import (
	"errors"
	"reflect"
	"sort"
)

var (
	ErrUnSupportHaystack = errors.New("haystack must be slice, array or map")

lifei6671

func IsIpv4(s string) bool {
   var p [IPv4len]byte
   for i := 0; i < IPv4len; i++ {
      if len(s) == 0 {
         // Missing octets.
         return false
      }
      if i > 0 {
         if s[0] != '.' {
            return false

lifei6671

type eventGenerator struct {
      eventCh chan int
      ctx context.Context
      cancel context.CancelFunc
  }

  func NewEventGenerator(ctx context.Context) *eventGenerator {
      // better to get context from others place, even this is a most up level controller
      // because you can use `context.Background()` as argument if this is the most up level one
      ctx, cancel := context.WithCancel(ctx)

lifei6671

package roundrobin

// RR: 基于 权重round robin算法的接口
type RR interface {
    Next() interface{}
    Add(node interface{}, weight int)
    RemoveAll()
    Reset()
}

lifei6671

    <?php
    
    /**
     * 发起一个自定义请求
     * @param string $url
     * @param string $method
     * @param array $options
     * @param array $headers
     * @param array $vars
     * @return HttpResponse|string

lifei6671

netsh interface portproxy add v4tov4 listenport=3333 connectaddress=172.17.30.42 connectport=3306

lifei6671

/**
 * 使用 snowflake 算法生成递增的分布式唯一ID.
 * 该算法支持 15 条业务线，4 个数据中心，每个数据中心最多 128 台机器，每台机器每毫秒可生成 4096 个不重复ID.
 */
class Snowflake
{
    const SEQUENCE_BITS         = 12;
    const MILLISECOND_BITS      = 39;
    const BUSINESS_ID_BITS      = 4;
    const DATA_CENTER_ID_BITS   = 2;