Hi All, I am using require 'digest/sha1' to encrypt my password and save into database. During login I authenticate by matching the encrypted password saved in database and again encrypted the one use enter in password field. As of now everything works fine but now I want to do 'Forgot Password' functionality. To do this I need to decry...
I have seen many samples of Ruby code with this line (for example, http://www.sinatrarb.com/). What is purpose of this require? # require 'rubygems' require 'sinatra' get '/hi' do "Hello world!" end In all cases the code works without this line. ...
I have seen this sample written in Ruby code, how i can simulate it in C language? Open3.popen3(command) do |stdin, stdout, stderr| @stop_stdin = stdin while !stdout.eof do output = stdout.read(1024 * 100) list_pipes.each do |out| out.print output end end end ...
I try to break down the http://stackoverflow.com/questions/2711961/decoding-algorithm-wanted question into smaller questions. This is Part I. Question: two strings: s1 and s2 part of s1 is identical to part of s2 space is separator how to extract the identical part(s)? example 1: s1 = "12 November 2010 - 1 visitor" s2 = "6 July 201...
Hi all, I'm just coming back to rails coding after a long hiatus. I was using rinari previously but noticed that there's a new version of emacs-rails. Is anyone using either? Any preferences for one over the other? What are people using for their rails projects within emacs these days? ...
Hi everyone, I'm setting up jQuery and Uploadify in my Rails app (with the uploadify-rails plugin). Its all going fine, the flash is loaded, the authenticity paramater is passed through along with the session key and so on. However, my MySQL queries on the way to handling the upload from the flash are all reporting a 'redundant UTF-8 se...
I'm making a TCP socket server(ruby). A thread is created for each connected client. At some point I try to send data to all connected clients. The thread aborts on exception while trying.(ruby 1.8.7) require 'socket' # I test it home right now server = TCPServer.new('localhost', 12345); while(session = server.accept) #Here is the thre...
I have a Sinatra app that basically takes some input values and then finds data matching those values from external services like Flickr, Twitter, etc. For example: input:"Chattanooga Choo Choo" Would go out and find images at Flickr on the Chattanooga Choo Choo and tweets from Twitter, etc. Right now I have something like: @images =...
Hi, I would like to populate an 2 dimensional array, from a vector. I think the best way to explain myself is to put some examples (with a array of [3,5] length). When vector is: [1, 0] [ [4, 3, 2, 1, 0], [4, 3, 2, 1, 0], [4, 3, 2, 1, 0] ] When vector is: [-1, 0] [ [0, 1, 2, 3, 4], [0, 1, 2, 3, 4], [0, 1, 2, 3, 4] ] ...
Hi all: So i have a large(ish) file in a csv format, that contains a column that has html and i need to transform that to plain text (ie readable by people ,ie with no script tags) I dont have much experience with ruby, but it seems like the perfect language to do this The File should still be in a cv format after the parsing ( ie, o...
Hello fellow stackoverflow users. I am building my first Ruby on Rails app which is going to be my own little community. I have made the User model with several fields and information. But now i am thinking of adding avatar support for the users. And i've been researching and found that my best option would be using Paperclip. But then ...
I need to deploy a dynamic language to a small embedded Linux device, and have difficulty finding the right one: I want to build a small web-application with this language (with a small framework like Sinatra or Camping ) and write some scripts for maintenance. I would prefer Ruby, as I have some experience in it, but after several days...
In SASS I can do !pink = #ff43a7 !darker_pink = !pink - #333333 I'd like to the same in ruby. ...
Hi! I am looking for method for parsing route path like this: ActionController::Routing.new("post_path").parse #=> {:controller => "posts", :action => "index"} It should be opposite to url_for Upd I've found out: http://stackoverflow.com/questions/2222522/what-is-the-opposite-of-url-for-in-rails-a-function-that-takes-a-path-and-gener...
Hi, I just installed Sphinx (distro: archlinux) downloading the source. Then I installed "Thinking Sphinx" plugin for Rails. I followed the official page setup and this Screencast from Ryan Bates, but when I try to index the models it gives me this error: $ rake thinking_sphinx:index (in /home/benoror/Dropbox/Proyectos/cotizahoy) Sph...
I'm currently trying to figure out how to pass an index range as a string, but so far have not been having any luck. Here is an example of what I'm trying to do: pos = %w{1 2..4} values = %{x cat} test_string = "This is a test with a string." test_string[pos[1]] = values[1] I know I could just break it down with split or something s...
Hello stackoverflow. I am trying to use Paperclip with my Rails app to add an avatar to a user but it won't save my image or update the database column when creating the user. This is what the model looks like: class User < ActiveRecord::Base has_attached_file :avatar And the registerform in haml: - form_for :user, @user, :url =>...
The following Ruby code def a(b,c) b+c end is the same as follows with Python def a(b,c): return b+c It looks like that ruby has the special stack that stores the final evaluation result and returns the value when a function is called. If so, what's the name of the stack, and how can I get that stack? If not, how does the Ruby ...
Hi! How can I call parents constructor ? module C attr_accessor :c, :cc def initialization c, cc @c, @cc = c, cc end end class B attr_accessor :b, :bb def initialization b, bb @b, @bb = b, bb end end class A < B include C attr_accessor :a, :aa def initialization (a, b, c, aa, bb, ...
Is there a way to watermark an existing pdf in ruby ? I want to add a dynamically generated text, Thanks, ...