In our first tutorial on command line wizardry, we covered simple redirection and the basics of sed, awk, and grep. Today, we’re going to introduce the concepts of simple variable substitution and ...
I'm trying to assign rows in a table to a random variable entirely in Transact SQL (This is MS SQL Server 2000, sp3). I've got it working perfectly except I can't use a variable inside my subquery ...
The eval command allows you to run the contents of variables as commands and can be very useful, especially in scripts. There are probably a lot of Linux users who have never encountered the eval ...
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