Ruby / Ruby on Rails Forum

Hello guys, How does Hash works internally, Case1: # Literal Hash h0 = { ’one’ => 1, ’two’ => 2, ’three’ => 3} Case 2: # Populating a hash h1 = Hash.new » {}

any idea which is the best ??

Hey, Pretty new to this and I was asked to setup a application at work that stores all the information regarding all the systems in our lab. Long story short I have everything working apart form exporting the information to a excel sheet. I tried this http://www.napcsweb.com/blog/2007/01/24/excel-export-the-stupid-simple-way/#respond, which...

Hey guys, I had a theoretical question about Ruby's object handling. Not that it really matters, but I'm using Ruby 1.8.6. In Ruby, every variable holds a reference to an object. For instance, if you were to say: myVar1 = myVar2 = myVar1 myVar2 << "giggity giggity goo"

# ruby install.rb config install.rb: entering config phase... ---> lib ---> lib/fox16 <--- lib/fox16 <--- lib ---> ext ---> ext/fox16 /usr/bin/ruby /home/my_username/Desktop/FXRuby-1.6.11/ext/fox16/extconf.rb can't find header files for ruby.

Hi, I'm trying to submit a for using remote function and Form.serialize, if I render the contents of the parameter in the controller all I see is . I understand that Form.serialize creates the object when the getHash option is set to true but I'm not sure how to access the data that should be in the object. Any suggestions would be greatly...

can ruby access, existing MySQL databases to modify (add information, search or running queries) if yes please let me know

Well, here's my first post in this forum (other than saying 'HI' over in the hi forum ;-) As I said over there: ... for a little side project at home, I'm writing a ham radio web site in uby/Rails. I started it in Perl and gave up on Perl as I went from the 'display the database information on the web page' to the 're-display the information...

Hi, I am new to Ruby. How can I identify and click a button in the webpage using win32ole? Webpage Source code has the following <input type="submit" value="&nbsp;&nbsp;Sign In&nbsp;&nbsp;">

hai, iam ankan iwant to know about this technology.

can i know the reasone for this exception, 1 error(s) on assignment of multiparameter attributes..... when we use a date_select.................

Hello, I am new to this and have run into a problem. I have edited a column in MySql and I can see that it works fine. The problem I have is I need to refresh the view (hope thats the right term) to show the change. I have looked and come up with: class test < ActiveRecord::Base before_destroy :change_field def change_field ...

Hey guys, As the title says I'm trying to make a regular expression (regex/regexp) for use in removing the comments from code. In this case, this particular regex is meant to match /* ... */ comments. I'm using Ruby v.1.8.6 Here's my regex: multiline_comments = /\/\*(.*?)\*\// When I try myStr.gsub(multiline_comments, "")

Hello - As stated above, I'm new to Ruby and all programming. I'm trying to learn as much as I can, but continue to hit roadblocks. I borrows the Pickaxe from a friend, and have looked at a few online tutorials, including the one by Chris Pine. It seems that for someone brand new to programming, they skip over some things that leave me hanging...

Hy guys I got an error trying to install Rails on Windows XP /SP2 C:\rubydev\ruby>gem install rails --include-dependencies ERROR: While executing gem ... (Gem::RemoteFetcher::FetchError) getaddrinfo: no address associated with hostname.(SocketError) I have these Software Installed already: -- Apache Web Server -- MySQL 5.0

Hi. I've been trying to play with this for a while now but I haven't seemed to get it to work. I have a admin controller, which is scaffolded, to input the lat and long along with info. I have a restaurant controller that will display the map with the points. I can get the map to show but the points do not show. Code: ( text ) class...

Hi. I've been trying to play with this for a while now but I haven't seemed to get it to work. I have a admin controller, which is scaffolded, to input the lat and long along with info. I have a restaurant controller that will display the map with the points. I can get the map to show but the points do not show. class CreateRestaurants <...

hi , i am trying to implement a functionality where in we need to record a audio using microphone . i believe "flash communication server" should be used for the purpose ...i would like to take the views on using "flash communication server" in Rails application thanks kishore

I am new to ROR. I Have ruby and instant rails installed in my system(I am using Windows). I have created an application 'railslist' But when I tried to generate a controller I got the following error ------------------------------------------------

Hey everyone, Can anyone tell me how to make dynamice drop down lists for country and states? I have the models for country and states build and have the country drop down list worked, so how can I make the state list changes corressponding to the change of the country list? etc. Canada -> only canada provinces... Thanks

Hi All, I am very new to this selenium tool. Is there any one can just tell me in what way I can proceed so that it will be easy to learn this tool. Thanks.

Hi, I want to learn Ruby/Rails so any body can help me out ??

how to connect to an existing oracle DB. I just wanted to generate the code ont he exisitng db so it will connect and detect everything, I do ntoo want to create a new db or fields and so on. Could somebody help me with this please.

When the user presses "Enter" from the keyboard instead of clicking the "Go" button I would like to have the code that would have run by clicking the button work the same way when they press the Enter key.

Does anyone know of a way to do keyword searches on documents in a filesystem with something similar to Oracle's Context package .. with mySQL/RoR's? I do this now with a Java/Oracle (Context) solution where the files are indexed and can be keyword searched. I have another problem where I want to use RoR (and whatever else) to do the same...