Question: Where does p get it\'s value from below and why does it happen? Consider this irb session: me@somewhere:~$ irb
Objective: I would like to reset the array attribute of a开发者_运维知识库ll objects in a class to []. The way they started.
I tried this : User.find(1).update_attribute(\'first_name\', \'#{first.name.titleize}\') => /#{first.name.titleize}
The general idea is pretty simple, I want to make a script for a certain task, I do it in the shell (any shell), an开发者_如何学Pythond then I want to copy the commands I have used.
I am looking up all Organizations with the url 开发者_如何学C\"http://\", and updating their attributes to \"\".
How can I print a large variable nicely in an irb prompt? I have a variable that contains many variables which are long and the printout becomes a mess to wade through. What if I just want the variabl
IRb is pretty plain compared to bpython, even when using wi开发者_StackOverflow中文版rble. Is there any ruby equivalent of bpython?You can extend irb to achieve all of bpython\'s functionality and mo
What do these errors mean? [root@localhost config]# 开发者_如何学Gogem install bluecloth Building native extensions.This could take a while...
I am trying to run the following ruby code from IRB but am unable to require the gmail gem. require \'rubygems\'
I would like to compile irb from source without any optimizations so I can get more information while stepping through (interpreter) code using gdb.I have successfully compiled ruby 1.9.1 without prob