#!/bin/bash set 'apple pie' pears peaches for i in $* /*单引号被去掉,循环单个字符输出*/ do echo $i done [[email protected] Ex_14.02-14.31]# sh 14-14-1 apple pie pears peaches -------------------------------------------------------------- #!/bin/bash set
无书面许可请勿转载 高级playbook Finding files with variables All modules can take variables as part of their arguments by dereferencing them with {{ and }} . You can use this to load a particular file based on a variable. For example, you might want to select a
来自:http://www.jb51.net/LINUXjishu/10981.html 错误描述: Mysql中添加用户之后可能出现登录时提示ERROR 1045 (28000): Access denied for user的错误.删除user.user中值为NULL的,或更新NULL为test 1)delete from user where user is NULL 2)update user set user='test' where user is NULL.意外的情况: 如果上述方
From [email protected], you can omit catch error block. Before: try { throw new Error('whatever'); } catch(err) { console.log(err) } Now: try { throw new Error('whatever'); } catch { console.log("error happened") } It is just a syntax sugar, if
$ git push -u origin master To [email protected]:xxx/xxx.git ! [rejected] master -> master (fetch first) error: failed to push some refs to '[email protected]:xxx/xxx.git' hint: Updates were rejected because the remote contains work that you do hint: