大攀の小窝

路在脚下，心向远方

Posted by 大攀 Saturday, April 16, 2022

Go方法中初始化之后的map返回竟然为nil

Go踩坑指南

Posted by 大攀 Tuesday, September 7, 2021

Go错误处理

错误处理

Go开发

Posted by 大攀 Sunday, June 20, 2021

开发过程积累

过程记录

Go开发

Posted by 大攀 Friday, May 21, 2021

信号量

semaphore

signal & semaphore

Posted by 大攀 Wednesday, May 19, 2021

mysql异常排查

异常排查 MySQL宕机排查查看mysql的运行时常：show global status like ‘uptime’; MySQL连接超时 show global variables like ‘%timeout’; MySQL请求连接进程被主动Kill show global status like

Posted by 大攀 Wednesday, April 7, 2021

GCC

编译工具

Linux下最主要的编译工具

Posted by 大攀 Wednesday, March 24, 2021

Redis服务器操作

服务器操作

安装&命令

Posted by 大攀 Sunday, March 21, 2021

gorm on duplicate用法

gorm on duplicate

friend := models.Friend{ GameId: p.gameID, Uid: uid, UNick: uNick, UAvatar: uAvatar, Fid: fid, FNick: fNick, FAvatar: fAvatar, CreateTime: time.Now().Unix(), } err := mysql.MysqlClient.Table(p.tableName).Where("game_id = ? and uid = ? and fid = ?", p.gameID, uid, fid).Assign(models.Friend{CreateTime: time.Now().Unix()}).FirstOrCreate(&friend).Error

Posted by 大攀 Wednesday, February 24, 2021

伪随机数

计算机伪随机

1.伪随机数并不是假随机数，这里的“伪”是有规律的意思，就是计算机产生的伪随机数既是随机的又是有规律的。 2.随机种子来自系统时钟，确切地说，

Posted by 大攀 Thursday, February 18, 2021

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