rails - Ruby on Rails
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CRUD
create read update delete
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combined comparison operator
<=>
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hash
a collection of key value pairs
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.gsub!
global subsitutions
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newline
a blank line
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#
comments in ruby
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data types in ruby
strings, booleans, numbers
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hostname
my computer's network name
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pwd
print working directory
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comparison operators
< Less than
> Greater than
<= Less than or equal to
>= Greater than or equal to
=== Equal to
!== Not equal to
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concatenating
"gluing the strings together"
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operation
an action performed on basic values
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"programs exist to manipulate data."
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