key words in sql
数据库关键词转义 — mysql insert into app (name,`key`,secr… 继续阅读 key words in sql
数据库关键词转义 — mysql insert into app (name,`key`,secr… 继续阅读 key words in sql
— 查看系统的运行时间 show GLOBAL status like 'uptime&… 继续阅读 mysql show uptime
// golang 让windows发出警告的声音 func winSound() { funInD… 继续阅读 golang PlaySound on windows via syscall
–创建用户 CREATE USER myreader WITH ENCRYPTED PASSWOR… 继续阅读 postgresql增加只读用户
https://www.enterprisedb.com/downloads/postgres-po… 继续阅读 postgresql downloads
select version() from dual;
error: MISCONF Redis is configured to save RDB sna… 继续阅读 MISCONF Redis is configured to save RDB snapshots, but it is currently not able to persist on disk. Commands that may modify the data set are disabled, because this instance is configured to report errors during writes if RDB snapshotting fails (stop-writes-on-bgsave-error option). Please check the Redis logs for details about the RDB error.
nice ./exe #pid 1234 #运行时调整进程的 nice 值 renice +10 1… 继续阅读 nice and renice
#start bash standalone.sh #stop jboss-cli.sh –con… 继续阅读 jboss eap restart
#pprof dot go tool pprof -seconds=10 -http=:9999 h… 继续阅读 go pprof dot
# 加P即可 需要注意-p参数的位置,要将其放在-z和-f之间 tar zcvPf test.tar… 继续阅读 tar: Removing leading `/’ from member names
#EAR文件的打包 jar cf application.ear application.war a… 继续阅读 how to package a ear file
ssh -i ~/Downloads/myKey.pem azureuser@10.111.12.1… 继续阅读 ssh use pem key
使用 parted script 对磁盘进行分区 parted /dev/sdc –script … 继续阅读 parted script to disk
#shell printf 进制转换 # 10进制转16进制:15 > 0xf printf … 继续阅读 shell printf oct hex dec
#Git 取消跟踪(untrack) git rm -r –cached .idea git rm… 继续阅读 git untrack .idea dir
mv /usr/local/go /usr/local/go_bak$(date +%Y%m%d%H… 继续阅读 go1.20.1 install
echo “`text-content-of-json“` | python -m json.t… 继续阅读 python get pretty format json
#!/bin/sh /usr/bin/time -f '%Uu %Ss %er %MkB … 继续阅读 time cmd to show time/maxMem
pgbench -i -s 2 -F 100 -h 127.0.0.1 -p 5432 -U myU… 继续阅读 PostgreSQL pgbench