Is there an equivalent to PHP's urlencode in Ruby on Rails 2.3.5? I googled it but all the answers seem to date back to before 2006 and seems dates. This is what I found. It seems a bit abnormal to call CGI::escape in a view. Is there an equivalent helper function? Thanks! ...
Does anybody know of a gem that provides taps-like functionality, that is compatible with Passenger (mod_rails)? When I try to use taps on a Ruby EE/Passenger setup, I receive the error: `detect_rack_handler': Server handler (thin,mongrel,webrick) not found. (RuntimeError) Although it's not specifically stated in the readme, I am ass...
I'm trying to run a ruby file which imports a gem. The ya2yaml gem is installed, yet somehow it is not found: $ cat delme.rb require 'rubygems' require 'ya2yaml' $ ruby delme.rb /Library/Ruby/Site/1.8/rubygems/custom_require.rb:31:in `gem_original_require': no such file to load -- ya2yaml (LoadError) from /Library/Ru...
I am trying to insert a List in Hash.. However, hash[key].size is giving me invalid results. p = Hash.new p = {"a" => ["b","e"]} puts p["a"].size #prints 2 ----This is the Problem p["a"] << ["d", "f"] puts p["a"].size #prints 3 puts p["a"][1] #prints e puts p["a"][2] #prints df How, adding more lists increment the size only by one (wh...
if string == /\s{1,}/ or string == /\n{1,}/ puts "emptiness..." end ...
Hi, I am using Firefox and i have a page which has an <iframe> Tag. The contents embedded within this tag cannot be seen from normal "View Page source" option. So i installed Firebug plugin and i can get see the contents using Firebug. My issue is, i cannot script any of these elements using FireWatir. Anybody has any ideas how to do...
Hay, with the release of Ruby on Rails 3 soon, I thought I'd dive back into a bit of Ruby on Rails programming. I missed out version 2 of rails and had only previously been using 1.2 So i hopped on the video tutorial and worked through it. I just wanted to know how out of date is the video? Does all the theory in that video, and ways of...
Hi, I am writing a program in Ruby which will search for strings in text files within a directory - similar to Grep. I don't want it to attempt to search in binary files but I can't find a way in Ruby to determine whether a file is binary or text. The program needs to work on both Windows and Linux. If anyone could point me in the ri...
require "socket" server = "irc.rizon.net" port = "6667" nick = "Ruby IRC Bot" channel = "#0x40" s = TCPSocket.open(server, port) s.print("USER Testing", 0) s.print("NICK #{nick}", 0) s.print("JOIN #{channel}", 0) This irc bot don't connect to the IRC server, What are i'm doing wrong? ...
Suppose I have an array of values [a,b,c,d,...] and a function f(x,...) which returns true or false. [1,2,3,4].map {|x| f(x)} => [true true false true] First, what is the best way to collapse the resultant list into a true or false value (via AND)? Is there a function that would allow me to map: [true true false true] to: ((tr...
My controller has two methods: index and search. def index: renders the default view, index.html.erb, and displays a default map using YM4R/GM. def search: renders the default view using render index, but uses form input to display a custom map using YM4R/GM. The view, index.html.erb, contains a partial view, _form.html.erb, and the @...
I'd like to run tasks in a Rakefile multiple times. Is there a way to specify that, or do I need to .reenable them each time I want to invoke them? ...
According to the Ruby docs for Time#zone: As of Ruby 1.8, returns "UTC" rather than "GMT" for UTC times. My OSX-using comrades see this behavior. On my Ubuntu 9.10 system, however, Ruby 1.8.7 seems to prefer the old "GMT" terminology: $ ruby --version ruby 1.8.7 (2009-06-12 patchlevel 174) [i486-linux] $ ruby -e 'puts Time.now.ut...
To append to an existing string this is what I am doing. s = 'hello' s.gsub!(/$/, ' world'); Is there a better way to append to an existing string. Before someone suggests following answer lemme show that this one does not work s = 'hello' s.object_id s = s + ' world' s.object_id In the above case object_id will be different for ...
I see that Ruby has the following variables: - global variables (represented by $variable_name) - class variables (represented by @@variable_name) - instance variables (represented by @variable_name) and - local variables (represented by variable_name or _variable_name) Occasionally I see the following in the rails source code: class S...
In Ruby is there any method that lists all the global variables available at the point of inspection like $GLOBALS in php? ...
In Ruby we can find out the class methods by Class.methods, instance methods by Class.instance_method, is there any methods that lists all the constants defined in a class? ...
I'm using form_remote_tag(:url => {:controller => "home", :action => "search"}, :update => "mydiv"). When I click submit on the form "mydiv" is populated with the error "Template is missing. Missing template home/search.erb in view path app/views". I've tried multiple render options in def search, but they all result in the same error...
I'm interested in seeing how using NoSQL would affect the architecture/design/code of a Rails application. Does anyone know of a good example of a open-source Rails app using NoSQL persistence? Thanks ...
Is there a Perl equivalent to the ruby-koans project? When I was starting to learn ruby a few months ago I stumbled across ruby-koans and it was a huge help for learning the basics of the language. I now need to poke at some Perl code, and while I've hacked together a few Perl scripts in the past I've never really learned the language,...