similar to: charting (freechart)

Hi- I need to create simple charts on the fly - I had used JFreeChart in the past with inJ2EE apps. Is there any equivalent here for Ruby. My charting needs are simple: just line charts. Also if anyone has done this, pls let me know how I should go about in doing it. Thanks -- Posted via http://www.ruby-forum.com/.

This marks the first community contribution to the Chime visualization tool for DTrace. A huge thanks to Bill Rushmore for creating a new main window for Chime. Previously a simple stack of buttons, Chime now uses the Netbeans Matisse layout to present a scrollable list and a description pane. When you create a new display, you can now provide helpful descriptive text. Bill also pointed out

Hi all, I need to write an application that gets data from a database and plots it on a graph. I am familiar with java and know that I could do it with jfreechart - however I am excited by RoR and would like to write the application with RoR instead. Is it possible to write it in RoR? Chris -- Posted via http://www.ruby-forum.com/.

Are there any XML databinding frameworks available for Ruby / Rails, such as Castor or JaXB for Java? Also are there framework such as Apache Axis for WebServices for Rails or Ruby? Regards, Harm de Laat -------------- next part -------------- An HTML attachment was scrubbed... URL: http://wrath.rubyonrails.org/pipermail/rails/attachments/20060310/3cf0cfd3/attachment.html

Hi all, I''m followed the instructions written here to prepare my new iMac for Ruby / Rails developement: http://hivelogic.com/articles/2005/12/01/ruby_rails_lighttpd_mysql_tiger When I run script/server I get the following output: harm-de-laats-computer:~/rails/test harmdelaat$ script/server => Booting lighttpd (use ''script/server webrick'' to force WEBrick) =>

Hi all, I have deployed my Ruby On Rails application on TextDrive. At first everything seamed to be fine. However, lately, response time of my application is incredible slow. Worse, lately there is also a lot of downtime. I have contacted their support desk, however, they do not respond (at all, or very, very late). Has anyone else these experiences with TextDrive? And if so, what did you do

Hi all, I''m trying to create a related dropdown box: In my view: <select name="category" id="category"> <option value="">Select category</option> <% @categories.each do |category| %> <option value="<%= category.id %>"> <%= category.title %> </option> <% end %>

Hi all, I''m following the shop example in ''Agile Web Development with Rails''. I would like to extend the checkout screen, in such a way people can change the number of items they have selected in there cart. In my controller I have: def checkout @cart = find_cart @items = @cart.items if @items.empty?

Hi all, Is it possible to configure red cloth to escape a block such as: ------------------------------------------------------------------ Hello, _this_ works *beautifull* [code lang="ruby"] def foo bar end [/code] ------------------------------------------------------------------ The text in the [code] block should not be parsed by Red Cloth''s to_html method. I cannot

After developing in Java for years in IDEs I''m starving for a decent ruby debugger. When learning new codebasesI find it invaluable to use the debugger to step through the system and see how things work at runtime. Using RDT in Eclipse is fine but it''s excruciating to wait minutes for the default debugger to finally reach my breakpoints on tests that normally take seconds to

Hi all, I wanted to write my own generator. What would be a good starting point. Is there any documentation on this, Best practices, etc? Regards, Harm de Laat -------------- next part -------------- An HTML attachment was scrubbed... URL: http://wrath.rubyonrails.org/pipermail/rails/attachments/20060203/c64c4730/attachment.html

I''m facing a problen while developing an app in rails... How can I generate PDF files and Charts.... I think that maybe a solution would be to have a Tomat running and leave the task of generate PDF and create dinamyc charts to Java with Jasper and JFreechart.... but.. I''m not sure how to acomplish this. Any ideas on how to use rails and java in the same app.???? I already

I''m kinda nuby! and i just want to know how to create a Multi-User Web application, where a person can register and can have his own subdomain for a blog.. where people can view and visit it.... -- Posted via http://www.ruby-forum.com/.

Hi all, I''m working on a Rails application. In this application I retrieve a list of ''brands'' using a method somewhere defined in my controller: private def get_brands @brands = Product.find_by_sql("select distinct brand from products"); end However, I display this information in a listbox in the template for my controller. This means @brands

Hi all, I created a Rails project on MS Windows. Now I''m on my Mac, and would like to extend this existing project. However, I can not run the script/generate, because the scripts all reference the windows directory of Ruby. Is there an easy way to switch to the Unix environment? Regards, Harm de Laat -------------- next part -------------- An HTML attachment was scrubbed... URL:

Hi all, Is there a way to use the onLoad event of a page to start the Effect.appeareffect? I''m trying like this, unfortunatly this does not work: <html> <head> <%= javascript_include_tag :defaults %> </head> <body onload="new Effect.Appear(this);"> My Body </body> </html> Any idea how to get this to work? Kind regards, Harm de

Hi all, I would like to validate my model without actually saving it to the database. Actualy I need it as follows: User enters user details in a post form. When the user submits the form I would like the form to be validated. However, when validation passes, I don''t want to save the model yet, but I would like to store it in Session context. Is this possible at all? And if so, how

Hi all, I''m on a rails 2.3.5 app. I''ve got my timezone set to ''Brussels''; config.time_zone = ''Brussels'' When I use mysql I see that a date is stored in UTC (as expected); e.g. 2010-04-07 15:03:10 When I use console to print out the date it correctly returns; >> job.created_at.strftime(''%d %b %Y, %H:%M'') =>

Hi @ all Does anyone has some experience with PostgreSQL and RoR? Does it gives any disadvantages or problems with PostgreSQL? I have a webapplication, that manage (read/write) many records (no. 200''000 records) and I search a ideal database. Actually, I have two options: - MySQL / - PostgreSQL And now, I would like to ascertain a good solution... Thx, ribit -- Posted via

I was poking around in the Gentoo Linux repository yesterday, trying to satisfy my curiosity about how many programming languages there are in "common use" today. I found one called "Eleven" which is quite strangely similar in intent to Rails. The home page is http://eleven.sourceforge.net/. Eleven is much simpler than Rails, and there are some interesting ideas in it. To