I\'m pretty new to ruby and I\'m currently reading the Pickaxe book to get familiar with everything.I came across the File.open s开发者_Python百科ection where it discusses taking a block as a paramete
Is there a sweet irb line of code that could check is any of the Object\'s have the same data in their field?
In Ruby, when I do something like this: class Foo ... def initialize( var ) @var = var end ... end Then if I return a foo in console I get this object representation:
Just when I thought I had my head wrapped around procs & lambdas this happens... irb> x = Proc.new{|name| \"Hello #{name}\"}
I\'m trying to get Thor to trigger an IRB prompt when \'debugger\' is reached in the code (like Rails, etc).Although I can trigger debugger, how do I get IRB to start automatically when debugger is tr
This question already has answers here: Why does Rails 3 think xE2x80x89 means â x80 x89 (3 answers)
I \"set editing-mode vi\" in my .inputrc on my Mac OS system, which allows vi editing in IRB. When I\'m using a RVM Ruby, the IRB sessions don\'t process this directive.
when I do rails console my git bash shell permits me to use up arrow to recall comma开发者_StackOverflow中文版nds, and use left/right arrows to modify the text I\'m entering
Any idea why the following simple expression lasts so long in IRB: irb(main):003:0> res=\'a\'*(10**6)
I am following Michael Hartl\'s RoR toturial and there are multiple places where he uses IRB, often to add users to the database.When I use rails console to open IRB and then create a User in the data