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Check if bash variable equals 0 [duplicate]

...ires two arguments. That is why you get the unary operator error message. EDIT: As Doktor J mentioned in his comment to this answer, a safe way to avoid problems with unset variables in checks is to enclose the variables in "". See his comment for the explanation. if [ "$depth" -eq "0" ]; then ...
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How to modify a pull request on GitHub to change target branch to merge into?

... against a different branch. Original answer: Since a PR cannot be edited in term of branch (see below), the easiest way would be to: create a local new branch on top of your current branch push that new branch make a new PR with the right destination. close the previous PR reference the "...
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How to Create Grid/Tile View?

... follow | edited Feb 17 '16 at 20:13 altocumulus 17.9k1111 gold badges5353 silver badges6969 bronze badges ...
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How to test if parameters exist in rails

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How can I recover the return value of a function passed to multiprocessing.Process?

... follow | edited Oct 12 '17 at 17:16 radtek 23.5k88 gold badges121121 silver badges9191 bronze badges ...
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Detect Safari browser

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PHP Regex to get youtube video ID?

...ray_of_vars['v']; // Output: C4kxS1ksqtw ?> Working example Edit: hehe - thanks Charles. That made me laugh, I've never seen the Zawinski quote before: Some people, when confronted with a problem, think ‘I know, I’ll use regular expressions.’ Now they have two problems. – J...
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Setup RSpec to test a gem (not Rails)

...d Bundler ( bundle gem my_gem ) to setup the structure for the new gem and edit the *.gemspec manually. I also added s.add_development_dependency "rspec", ">= 2.0.0" to gemspec and did a bundle install . ...
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What does $_ mean in PowerShell?

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How do I get logs/details of ansible-playbook module executions?

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