摘要:
Go语言在代码规范中定义未使用的变量会报“declared and not used”错误 package main import "fmt" func main() { var a, b, c int64 a = 10 b = 15 c = a + b fmt.Printf("a = %d,b = 阅读全文
摘要:
用户添加授权 mysql> grant all privileges on *.* to 'niuben'@'%' identified by '123456' with grant option; all privileges:表示将所有权限授予给用户。也可指定具体的权限,如:SELECT、CRE 阅读全文