When working with Bash, I can put the开发者_开发技巧 output of one command into another command like so:
I have an SQL query that has an alias in the SELECT statement SELECT CONCAT(YEAR(r.Date),_u开发者_如何学Ctf8\'-\',_utf8\'Q\',QUARTER(r.Date)) AS \'QuarterYear\'
开发者_如何学GoWhat\'s the difference between SELECT * FROM `this` and SELECT * FROM this ?The former is escaped, the latter isn\'t. Consider:
In the codeigniter manual writes the following. $this->db->select() accepts an optional second parameter.If you set
I want to make an alias which would work like this: vf hello.c would execute a find command to search for hello.c and open it in the vim editor.
For the command: /usr/bin/sh -c \"ls 1`\" (a 开发者_开发问答backquote after 1). How to make it run successfully? Adding a backslash before \"`\" does not work.
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