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What is the difference between double-ampersand (&&) and semicolon (;) in Linux Bash?
...therwise it evaluates the right side and returns its exit status. This is commonly used to make sure that command2 is only run if command1 ran successfully.
The ; token just separates commands, so it will run the second command regardless of whether or not the first one succeeds.
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Matplotlib scatterplot; colour as a function of a third variable
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What is the correct way to start a mongod service on linux / OS X?
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With recent builds of mongodb community edition, this is straightforward.
When you install via brew, it tells you what exactly to do. There is no need to create a new launch control file.
$ brew install mongodb
==> Downloading https://homebrew.bintra...
Converting user input string to regular expression
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@holms regex101.com is a great regex online tool as well
– Fran Herrero
Jul 18 '16 at 8:38
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How to get position of a certain element in strings vector, to use it as an index in ints vector?
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Sorry, I can't see @Bob__ 's comments, maybe deleted? I'm wondering why ptrdiff_t is better than size_t since ptrdiff_t would raise a warning of comparison between signed and unsigned integer
– Hiraku
Oct 17 '17 at...
How to make Scroll From Source feature always enabled?
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Drop multiple tables in one shot in mysql
How to drop multiple tables from one single database at one command.
something like,
4 Answers
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