How do you debug a Sinatra app like a Rails app?
You could try adding a before filter that prints out the parameters before do puts ‘[Params]’ p params end
ruby
Elegant ruby syntax to return the greater of two objects
If you don’t want to spawn an array, there’s the conditional operator: max = a > b ? a : b
Ruby / Sinatra – serving up css, javascript, or image files
Sinatra and Rails use the path public for static content – e.g., ./public/javascripts/. All files in these paths would then be served by the web server (e.g. Thin, Passenger), but without the need for /public in the URL (e.g. the file at #{my_app_root}/public/javascripts/application.js would be available via the Web at the URL http://#{my_domain}/javascripts/application.js).
How can you do a conditional where clause using Active Record
It is possible to chain where statements residentials = Residential.where(:is_active => true) residentials = residentials.where(:other_thing => true) if param_was_passed This should work. Make sure this is not the last line in a function call; repeat the residentials variable as the last line in that case. (As per @digger69 comment)
How to require some lib files from anywhere
You can autoinclude everything under the lib folderand avoid these problems: Type this your file in config/application.rb config.autoload_paths += %W(#{config.root}/lib) config.autoload_paths += Dir[“#{config.root}/lib/**/”]
`brew upgrade `: ” cannot be built with any available compilers”
I ran this command and it now works: xcode-select –install
Ruby current class
Inside the class itself: class_name = self.class On an initialized object named obj: class_name = obj.class
Ruby: problem installing EventMachine under Windows 7
EventMachine 0.12.10 is known to not work under Ruby 1.9.2 on Windows. Please try latest 1.x pre-release versions: gem install eventmachine –pre If you’re using with Thin, latest version of Thin works with it properly. This has been discussed on RubyInstaller group several times.
How to add more ‘owners’ to a gem in RubyGem
It’s done with the gem command, see here gem owner my_gem -a [email protected]
Ruby array.select multiline block
What you want is next instead of return.