irb Questions
2
Solved
I often code with a TextMate window open, and an irb process in a Terminal window adjacent to it. I want to be able to press a key sequence in TextMate which does the following:
Copies the curren...
2
Solved
I work with rails console and often i need to preload some ruby code to work with.
#file that i want to load in rails console
#my_file.rb
a = 1
b = 2
puts a + b
When i run my console with ./scr...
Calmative asked 22/10, 2011 at 14:36
2
Solved
I've seen screencasts where users are running irb and as they write text they jump to the beginning/end of the line and beginning/end of words. What are the keystrokes used to do this? Does it depe...
Erythro asked 20/10, 2011 at 13:28
2
Solved
Regarding the use of Rails console, when I make some change on a model, do I need to reload the rails console every time to make that change reflects?
For example, I have my original code as follo...
Mapping asked 20/10, 2011 at 3:13
2
Solved
I have finally started upgrading my Rails apps from 2.3.8 to 3.1.0. I was watching RailsCasts (http://railscasts.com/episodes/202-active-record-queries-in-rails-3) about Active Record queries.
Wh...
Lillie asked 4/10, 2011 at 10:2
1
Solved
I'm used to interrogating my rails db via script/console.
But in some instances I need to be exceptionally careful about not changing data, so I'd like to be able to open the console in a read-onl...
Jaffa asked 2/9, 2011 at 19:54
2
Solved
I am working on Zed Shaw's Learn Ruby the Hard Way Exercise 25
http://ruby.learncodethehardway.org/ex25.html
When I navigate to the directory that holds the ruby file ex25.rb and launch IRB, I ge...
Goran asked 29/8, 2011 at 9:24
3
Solved
One thing I miss about ipython is it has a ? operator which diggs up the docs for a particular function.
I know ruby has a similar command line tool but it is extremely inconvenient to call it whi...
Xanthophyll asked 12/8, 2011 at 6:18
1
Solved
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 section where it discusses taking a block as a parameter to a File.ope...
3
Solved
I'm using Terminal on Snow Leopard.
At the command line, if I've typed foo.bar.baz.bang.quuz.quux, when i tap option-B, it moves the cursor backward word by word -- stopping at every period, becau...
Narcose asked 23/2, 2011 at 22:17
1
Solved
I am trying to load a file into IRB. I have the file saved on my desktop titled "Ruby.rb"
How do i load the file into IRB?
I have tried using both, 'load "Ruby.rb"', 'load "Ruby"' and 'require "R...
Rectrix asked 20/6, 2011 at 8:25
3
Solved
I am using delayed_jobs to run Ruby classes, how can the Ruby detect the name (command) of the process that is running it?
any thoughts?
Rosemaria asked 26/5, 2011 at 16:10
2
Solved
I've noticed a side effect in Ruby/Oniguruma that is only present in 1 out of 4 seemingly equivalent statements. Why is the variable day defined in 009, but not in 003, 005 or 007?
irb(main):001:0...
Eclogue asked 25/5, 2011 at 12:32
1
Solved
Wnen you use irb with auto indent mode, the end statements get indented one level extra
def foo
...
end
instead of showing the ordinary indenting convention:
def foo
...
end
because you c...
Nitza asked 20/5, 2011 at 23:35
2
Solved
I searched the other posts that had this issue and could not find one that fixed my particular issue. My irb is going crazy. I am trying to change user roles in my database but I can't even get to ...
Preengage asked 12/5, 2011 at 16:23
3
I want to enter German Umlauts in my irb but get a weird error. I can enter any character of äöü without problems, but each of ÄÖÜß leads to the following error:
$ irb
ruby-1.9.2-p136 :001 > ? ...
2
Solved
3
Solved
I've this script right now.
def r(this)
require this
puts "#{this} is now loaded."
rescue LoadError
puts "The gem '#{this}' is missing."
puts "Should I install it? [y/n]"
data = gets
if data...
3
Solved
When I go into irb and type in a command that does not exist I get an error stating
"undefined local variable or method 'my_method' for main:Object (NameError)"
Is there a way to just get a list...
Rhiana asked 25/4, 2011 at 3:40
3
Solved
guys. I am developing a Chinese application with rails. Now I want to input some Chinese characters in rails console but cannot do that, either in irb.
Any guys who have the experience to solve t...
3
Solved
Is there any reason why my present working directory is not on my Ruby path?
Consider:
~:499$ irb
ruby-1.9.2-p136 :002 > puts $:
/Users/mrberryman/.rvm/rubies/ruby-1.9.2-p136/lib/ruby/si...
1
Solved
I want to use IRB to run a script then give me an interactive prompt. I do this with python -i xy.py in Python, however irb xy.rb exits after execution.
> python --help
-i When a script is pas...
2
Solved
I'm trying to include a source code file when I run irb but irb is unable to find it.
For example, say I am in the following directory in terminal:
/dan/rubyapp/
Assume I have a file named "fir...
4
Solved
I am writing a Ruby script for use in the Rails environment, but I chose to run it from irb because reloading the Rails console can be a pain. Now the wait time is much shorter from irb, but I'm bo...
4
I'm from Ruby background. Just wanted to know if there is anything like Ruby's irb in perl?
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