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In Docker, what's the difference between a container and an image? [duplicate]
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How do I use the conditional operator (? :) in Ruby?
...recedence issues. Both are expressions.
Examples:
puts (if 1 then 2 else 3 end) # => 2
puts 1 ? 2 : 3 # => 2
x = if 1 then 2 else 3 end
puts x # => 2
Note that in the first case parenthesis are required (otherwise Ruby is confused because it think...
How to obtain the number of CPUs/cores in Linux from the command line?
...ost cases.
– Frank Kusters
May 17 '13 at 10:52
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grep -c '^processor' /proc/cpuinfo on zsh.
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How to declare a variable in a PostgreSQL query
How do I declare a variable for use in a PostgreSQL 8.3 query?
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How to convert all tables from MyISAM into InnoDB?
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edited Mar 1 at 3:42
Bhargav Rao♦
37.9k2424 gold badges108108 silver badges126126 bronze badges
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Use Font Awesome Icon As Favicon
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39
Yes, it is. Just take a screenshot of something with the desired character, cut the part you wa...
What does “Changes not staged for commit” mean
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338
when you change a file which is already in the repository, you have to git add it again if you...
How best to determine if an argument is not sent to the JavaScript function
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What is Ruby's double-colon `::`?
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385
:: is basically a namespace resolution operator. It allows you to access items in modules, or ...
Changing the child element's CSS when the parent is hovered
First of all, I'm assuming this is too complex for CSS3, but if there's a solution in there somewhere, I'd love to go with that instead.
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