similar to: How to display numbers or word graphically?

Has anyone implemented a captcha with ruby on rails and rmagick? I tried this example: http://wiki.rubyonrails.com/rails/pages/HowtoSecureFormsWithNoisyImages but I got an error: undefined method `size'' for #<NoisyImage:0x34d8070> Thank you -------------------------------------------------- Rodrigo Dominguez ? Iplan Networks ???????????????Datos Personales

this is my error: Processing ApplicationController#create (for 127.0.0.1 at 2009-08-17 00:57:56) [POST] Parameters: {"comment"=>{"name"=>"asdasd", "body"=>"asdasd"}, "commit"=>"Add Comment", "post_id"=>"19",

Can you give me some links where transactions in rails are explained in depth? Thank you PS: I''ve looked in google, but I just couldn''t find good articles, I''m working with postgresql Rodrigo Dominguez Iplan Networks Datos Personales rdominguez@iplan.com.ar rorra@rorra.com.ar www.iplan.com.ar <http://www.iplan.com.ar/>

I've just been trying to post-process some R-created heatmaps using Inkscape, but I can't get them to display correctly in that software. To reproduce: library(grid) r <- as.raster(matrix(runif(25), 5, 5)) pdf("test.pdf") grid.newpage() grid.raster(r, interpolate = FALSE) dev.off() This figure should be a five by five block of grey squares. This is what I see in the R GUI

I would like to validate a number within a certain range. To first test that a entry is a valid number i use validates_numericality_of :my_number, :message =>''sorry, not a number'' to test if the number is within a certain range i use validates_inclusion of :my_number, :in => min..max, message => ''outside range!'' If the numericality test fails, I

I''m doing a fotolog for a company. It''s expected to manage about 100k of connections per day and about 1500 concurrents connections. What hardware should I buy to manage those numbers of connections? I''m planning to use slackware + lighttpd + fastcgi, but perhaps we will have to reuse some scripts in php, in that case I would use slackware + apache + mod_php + fastcgi

hello my name is reynaldo my question is the next. i want change the text of the validations error messages generated by ruby when you don''t wrote properly the data in the form. -- Posted via http://www.ruby-forum.com/.

Is there a easy way to add components like: http://www.dynarch.com/projects/calendar/ http://tinymce.moxiecode.com/example_full.php?example=true in ruby forms, by plugins or whatever? Thank you Rodrigo Dom?nguez Iplan Networs www.iplan.com.ar <http://www.iplan.com.ar/> ? rdominguez@iplan.com.ar www.rorra.com.ar <http://www.rorra.com.ar/> ? rorra@rorra.com.ar --------------

I''m working in a web service, actually, I have: class UnifiedLoginApi < ActionWebService::API::Base class CLL_Metadata < ActionWebService::Struct member :key, :string member :type, :string member :value, :string member :webapplication_id, :string member :user_tenfold_id, :string member :login_username, :string

Hello Everyone, I was wondering what people on this list were using to generate captchas within forms on sites they are developing? I know there is a ruby gem named captcha, but I have seen some others floating around as well. Thanks, Andrew -------------- next part -------------- An HTML attachment was scrubbed... URL:

I''m working with ActionWebService, building a SOAP Service. I realize that I can returns various values, in example: api_method :foo, :expects [ { :value1 => :int }, { :value2 => :int } ], :returns [ { :return_value_1 => :int}, { :return_value_2 => :string}, { :return_value_3 =>

I''m doing a registration form. I saw many registrations forms which asks you for a country and it lists all the countries of the world, and when you select a country the form is actualized with all the states or provinces, and when you select a state/province then the form is actualized with all the cities. I''m looking to do something like that, is there a free service or pay

I need to send a POST request via a link, along with paramater data for an action, and the page needs to reload. link_to_remote worked great when I was updating a DOM element but obviously won''t work when I need to reload a page. Is there an option -- Posted via http://www.ruby-forum.com/.

Hello for my password recovery system I want to recover the users password and send it to them. In the DB its saved via SHA1 (login generator) -- Posted via http://www.ruby-forum.com/.

On my current home system, I am getting undesirable output from graphical devices such as png() and pdf(). The graphical output is blurry. I haven't experienced the problem on other systems. As you will see from the attached text file (more information on this file below), the problem does not occur when type='Xlib' is forced. The blurriness is more severe with bitmap output (yes, I am

could someone explain some of the uses for a web service. i''m reading about how to make them, but i''m still not quite sure what they''re good for. i have multiple rails apps that i would like to pass user information back and forth to. i''m not sure if something like this could help me or not. thanks -- Posted via http://www.ruby-forum.com/.

Hello Rails, I have a problem. I would like to use captcha in one of my project. When I did try to install, this is what I got $ sudo gem install captcha Building native extensions. This could take a while... ERROR: Error installing captcha: ERROR: Failed to build gem native extension. /usr/bin/ruby1.8 extconf.rb extconf.rb:1:in `require'': no such file to load -- mkmf (LoadError)

I hope no one gets offended by my asking, but I wonder what others think about the possibility of splitting the list into two or three focal areas. Personally, I think I''d like to see three seperate lists: 1) newbie development (e.g., help working through tutorials, etc.) 2) more advanced development topics, 3) environment setup / admin.. What do you think? Best regards, Bill

Thank you Gregory your code worked to remove the border in syslinux! It wasn?t the Alpha (that changes the opacity of the border color), but it was the ?shadowing? that had to be changed, so ?none? in the shadowing column worked(you notice the border come back if you change ?none? to ?std?) reference this link for terms: https://wiki.syslinux.org/wiki/index.php?title=Menu#MENU_COLOR ! I am also

By the way, I also had this question. I wanted to add some information that I researched and that is not documented at a wiki page, but I could not do that. I even could not edit a talk page! I have subscribed to this mailing list because of I could not find other communication channel. My opinion is that it is wrong behavior. It breaks openness and looses ability of community improvements of