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Batch not-equal (inequality) operator
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edited Aug 20 '18 at 8:54
Uwe Keim
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I need to generate uuid for my rails application. What are the options(gems) I have? [duplicate]
I use
Rails 3.0.20 and
ruby 1.8.7 (2011-06-30 patchlevel 352)
4 Answers
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How to randomize (shuffle) a JavaScript array?
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How efficient can Meteor be while sharing a huge collection among many clients?
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119
The short answer is that only new data gets sent down the wire. Here's
how it works.
There a...
Determine if string is in list in JavaScript
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14 Answers
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How can I strip first X characters from string using sed?
...nux in a small industrial box. I have a variable containing the text pid: 1234 and I want to strip first X characters from the line, so only 1234 stays. I have more variables I need to "clean", so I need to cut away X first characters and ${string:5} doesn't work for some reason in my system.
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Get a list of distinct values in List
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answered Apr 21 '12 at 0:33
Kirk WollKirk Woll
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What is the difference between PS1 and PROMPT_COMMAND
...as a command to execute before
the printing of each primary prompt ($PS1).
I never used it, but I could have used this back when I only had sh.
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How to show line number when executing bash script
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157
You mention that you're already using -x. The variable PS4 denotes the value is the prompt pr...