Displaying 3 results from an estimated 3 matches for "lesson2".
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lesson
2013 Jun 21
7
IRB help
I''m new to Ruby. I installed Rails on Windows 8.
When I type mkdir in IRB, I''m getting this. I tried running the IRB as
administrator too, and still get the same result
irb(main):001:0> mkdir lesson2
NameError: undefined local variable or method `lesson2'' for main:Object
from (irb):1
from C:/RailsInstaller/Ruby1.9.3/bin/irb:12:in `<main>''
irb(main):002:0> cd lesson
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2007 Jul 08
2
transform excel data into graph
Hello everyone,
I have a set of data in the following form, which are stored in an Excel
file:
nick john peter
lesson1 0.465 0.498 0.473
lesson2 0.422 0.44 0.134
lesson3 0.45 0.35 0.543
lesson4 0.590 0.64 0.11
lesson5 0.543 0.5 0.32
What I want to do is a 2d-graph plot where I will have the name...
2011 Aug 22
6
Trouble with Ruby on Rails
...y comes with Ruby 1.8.7, and should it
be the reason behind this problem?
Without being able to solve the problem above, I have continued Ruby
on Rails journey (have well installed rails 3.0.9 along with all the
others: rubygem, git, etc), and landed on the second problem.
@2nd problem (regarding lesson2: demo app):
With my attempt to make a demo app, I typed "rails generate scaffold
User name:string email:string" command in terminal to generata
resources. And, I have typed "rake db:migrate" to build Ruby. Then, I
got an error stating: "/Users/taek/.rvm/rubies/ruby-1.9.2-p2...