[ruby] Forum Topics

Hi, I'm working on rails project where I use json file for storing some data. Basically data are stored and get using ajax calls from jquery. But there are some strange issues. For example, when I add data in json file using AJAX and then open file in Chrome: localhost:3000/example.json …

Hey guys. Im designing a web app with rails for storing and analysing college students' marks. Ive come up with a database design like this:  Now IM not sure how to set the associations. Can you please help me? And is the design ok?

Hello, anyone can help me with how to build a simple user registration form using Rails from scratch, with the fields Login Name, Name, Address and Password (encrypted)? I will be using MySQL to host the database. I've already created the new project using: rails new reg_form, now what next??

after pulling my hair out with this one, I'm afraid I'm going to have to turn the knowledge of those much wiser.....again! ok so here's the problem, I am following the following two railscasts: [deploying to a vps](http://railscasts.com/episodes/335-deploying-to-a-vps?autoplay=true) [asset pipeline in production](http://railscasts.com/episodes/341-asset-pipeline-in-production?autoplay=true) My setup: Ubuntu Server 12.04 nginx unicorn ruby …

Hi, I've been working with Ruby on Rails to make a web application, but I've found something that I really cannot work out how to do with it, so it may be best if I do it manually. Basically, I've got a dropdown menu, that is populated with a list …

Hi all the Ruby Folks! Use your skills for the sake of the OpenSource community, and try out the Ruby OpenSource Challenge. Fix a bug, write a new needed feature or just update the lagging documentation of a pointed Ruby Open Source project, and have a chance of winning some …

Hello, anyone can help me with the conversion of single quotes in a string to double quotes? Am new to Ruby programming and still learning around on how to use it properly. I have an example in Delphi, which I want to make compatible with Ruby: function ReplaceSingleQuote(AText: String): String; …

Hi - I'm very new here (1st post). I read the introductory docs, and looked at the categories, but I didn't see a specific place for posting code for review/critique. My apologies if this is not the appropriate place to do that... Here is some code I am hoping to …

I am having a hard time connecting to active admin I get stuck @ localhost:3000/admin of the this tut http://net.tutsplus.com/tutorials/ruby/create-beautiful-administration-interfaces-with-active-admin/ I can connect to localhost:3000/ but when I connect to localhost:3000/admin I get page errors where there is supposed to be a user login... Started GET "/admin" for 127.0.0.1 at …

Hi everyone, I'm a bit new to Ruby *and* Rails, and I'm struggling with a task I'm trying to accomplish. I'm attempting to build a simple Rock-Paper-Scissors game in Ruby on Rails, and I'm a little lost as to where to begin. It seems to me that the app will …

Hello everyone, i tried to make a program with Ruby but i came up with results who doesn't help me. somehow the result doesn't show up as i requested. letters = ['a','b','c','d','e','f','g','h','i','j','k','l','m','n','o', 'p','q','r','s','t','u','v','w','x','y','z'] name = "bbb" i=0 j=0 k=0 for i in 0..25 do for j in 0..25 do for …

Hi I am interseted in designing web sites but i dont want to learn 5 different scripting languages. Is it possiable to create a good working web site just by ruby and sql?

Hi everyone, I’m currently working on my Master Thesis which in few words concentrates about NoSQL databases and performance and tuning tests of particular MongoDB. I’m trying to create some test dummy data to put in so I can run some initially tests to create a baseline for comparison. I’ve …

Hi I've been playing for a while with WxRuby and I just acn make the TreeCtrl event evt_tree_expanded or evt_tree_expanding please help me here is the code mi problem its at line 46: [CODE]require 'wx' include Wx class MyFrame < Frame def initialize super(nil, :title => "prueba" ) @my_panel = …

Hi I've been playing for a while with WxRuby and I just acn make the TreeCtrl event evt_tree_expanded or evt_tree_expanding please help me here is the code mi problem its at line 46: [CODE]require 'wx' include Wx class MyFrame < Frame def initialize super(nil, :title => "prueba" ) @my_panel = …

I try to develop a rails web search engine that aims to use carrot 2 clustering rest service that is also work on my computer. However to use these two I need to deploy both of them to same server. Do you know any hosting that makes available to run …

ok, so here's the deal. Going over the Rails tutorial. We're running a testing environment to make sure that the things we want showing up on our pages are making it. Doing this using pages_controller_spec.rb file. And this is one of three arguments that we passed: [ICODE]describe "GET 'home'" do …

Hi im starting to learn programming and I'm stuck in this [CODE] puts "enter as much words as you like and i will sort them" words = [] while true words.push gets.chomp if words.last == "" words.delete(words.last) break end end sorted = [] def sort unsorted, sorted, num, var while …

[CODE] a=gets.to_i b=gets.to_i [/CODE] this code gets input like this 2 2 but in c++ std::cin will get input after space or \n So how do I make ruby get input like std::cin I am new to ruby and can not find the answer on google so help would be …

(Note: This was previously posted at [url]http://www.ruby-forum.com/topic/3426459#new[/url] , but received no responses after four days.) When attempting to install ruby-debug19 on a Windows 7 partition, I have gotten the following error sequence: [code] ERROR: Error installing ruby-debug19: ERROR: Failed to build gem native extension. C:/Ruby193/bin/ruby.exe extconf.rb checking for rb_method_entry_t.called_id in …

Ok, I'm using the Head First Rails book, which sadly, was written in 2009. So, the API has changed drastically. I am trying to manually configure a route to make the controller find my show page. The route the book tells me to type [ICODE] map.connect '/ads/:id', :controller=>'ads', :action=>'show' [/ICODE] …

Hi , Anybody can help me to learn ruby .Please guide me any book,tutorials,websites asap.Is it fully support windows7 Regards Websoftcreation

Hi, Can anyone please tell me how to consume a web service running on a jasper server?.I need the ruby code for the same.Please help. Regards, Arun

IM new to Ruby and RoR. I have very less prior experience with web techs. I know how web works and worked with pre coded php code (edited em)... and ran websites with template scripts and wordpress cms. But never built em on my own. Now I wanna learn a …

hi everyone, i need to print error message if ID is greater than 1 and log user in if username is correct and display error message if the username is wrong. the code print error message if id is greater than 1 and it authenticates user if correct username is …

Good day everyone, i need to print error message if id or row[0] is greater than 1 and a welcome message if name is correct and error message if the name is not correct. what my code does is that it prints out error message if id or row[0] is …

Hi everybody, in my database, am trying to print the value of total and then add it to the price, i was able to fetch the value of total but when i tried to add it to to price so as to get value of sum in this line of …

I am currently developing a search engine and I have some implemented algorithms that are written in Java but also I need to get some Database communication which is easy thing in Ruby an Rails. Thus, Is there any way to use both language in the web application development Regards …

I´m at the very beginning with Ruby and give again and again this error program.rb:6:in `gsub': broken utf-8 string (argumenterror) when I'm trying this short code: [CODE]#coding:utf-8 temp="" txtfile=File.open("8-3_tiedosto.txt","r");txtfile.each{|row|temp=temp+row};txtfile.close temp = temp.gsub("Å", '') puts temp [/CODE] How to fix the code, as my environment does not allow to change the …

this is the following error : C:/Ruby193/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require': iconv will be deprecated in the future, use String#encode instead. C:/Ruby193/lib/ruby/gems/1.9.1/gems/rails-2.2.2/lib/rails_generator/generators/a pplications/app/app_generator.rb:6: Use RbConfig instead of obsolete and depreca ted Config.