New answers tagged ruby
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Form validation in ruby on rails
If you submit the form via JavaScript as a JSON request, you can keep the HTML exactly as it is. You also don't need a custom validate_signup method. Rails handles validation when you try to save a ...
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How to make a guest connection in Action Cable?
Action Cable doesn't require a current user for each connection.
There are two common options for guest connections:
Public connection - simply allow WebSocket connections without authentication.
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How to make sentence DSL in Ruby?
The idea of an Internal DSL is that it is just a clever way of using the host language's syntax. In other words, code written in an Internal DSL is syntactically valid host language code.
However, the ...
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Automatically set instance variable as method argument?
method(:initialize).parameters.map { |_, arg| eval("@#{arg} = #{arg}", binding, __FILE__, __LINE__) }
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undefined local variable or method `http' for main:Object (NameError)
For me running:
ruby -run -e httpd . -p 8000
works well with ruby 2.2 but with 1.8.7
-e:1: undefined local variable or method httpd' for main:Object (NameError)
So guess you gotta go the manual route ...
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