similar to: Calculating row COUNTs

http://canadaonrails.com/ (when you hover over news and events) I''ve seen this implemented on a few rails sites now and I was just wondering if it is just a simple javascript from the prototype library. Does anybody know of any links on how to do this? Thanks in advance! -- Posted via http://www.ruby-forum.com/.

hi everyone, I hope someone can help me out with some active record basics? I''ve been banging my head for the past 4 hours and I can''t seem to get it to work. I am trying to add comments to a caption (just like how one adds a comment to a post in a blog). I seem to be able to read posts just fine from the DB, however, I can''t use the "recordComment"

Hi, is there a simple way to iterate through collection and not include duplicates? Thanks in advance. Jordan -- Posted via http://www.ruby-forum.com/.

Well I think this is a quick question. I would like to select a random item from an array. I''m thinking maybe I need to generate a random number from 0 to array length. Actually I''m not exactly sure how to do this since I can''t seem to find math.random/math.floor on ruby api? Knowing ruby, there is probably a much easier way to do what I am trying to do. Any

Hi Everyone, Would someone be able to do a huge favor for me and host a very small 1mb rails app for me?? I can''t get my hosting up and running yet and I really need it up and running by today for my professor to check it off. I only need it up for about two weeks. You will get a lot of karma points for it :) Thanks in advance!! Jordan -- Posted via http://www.ruby-forum.com/.

Hi, I have written a small C++ function and compile it. However in R I can't see the function I have defined in C++. I have read some web-pages about Rcpp and C++ but it is a bit confusion for me. Anyway, This is the C++-code: #include <Rcpp.h> using namespace Rcpp; // [[Rcpp::export]] List compute_values_cpp(int totalPoints = 1e5, double angle_increment = 0.01, int radius =

Hello, I just finished writing a plugin for Rails that I''m annoucing the first release here: meantime_filter. It is descibed at http://roman2k.free.fr/rails/meantime_filter/0.1.0/ rdoc/ (See the end of this message for getting it.) ABOUT THE PLUGIN It extends ActionController to add the functionnality of having filters run at the action call time. This new type of filter yields

.Call("compute_values_cpp") Also, if you were passing arguments to the C++ function you would need to declare the function differently. Do a search on "Rcpp calling C++ functions from R" HTH, Eric On Sun, Dec 3, 2017 at 3:06 AM, Martin M?ller Skarbiniks Pedersen < traxplayer at gmail.com> wrote: > Hi, > > I have written a small C++ function and compile it.

I just found out that setting swiotlb=128 in dom0 grub.conf allowed me to run my mythtv domU with additonal options to ivtv: in /etc/modprobe.d/options options ivtv enc_mpg_buffers=8 Setting this to any higher value causes a kernel panic. I want to be able to specify options ivtv enc_mpg_buffers=16 enc_vbi_buffers=8 How much swiotlb do I need? Is there a way to figure this out or is it just

Hello, I am trying to implement the following scenario, but I am stuck ... The thing is I want to initialize a variable @comment when the stub function "find_comment" is called. The way I do it below doesn''t work, since "before_filter :find_comment" returns true/false and @comment initialization is done inside it. Could you please give me a hint how to do it? One

Hi all, I''m having a very odd problem with db:migrate. I''m using Rails 1.2.5 on Windows XP SP2 and Ruby 1.8.6 I have seven migrations. If I run them with an empty database, it runs the first three, then halts. When I look in schema_info, the version is 3. If I run db:migrate VERSION=7, then it runs through the remaining 4 migrations, and the version is 7 in the DB.

Hi there, I''ve been working on this for awhile and have finally decided to ask for a little guidance.I have a slight problem trying to save a selection. I have two models: A "Posting" has_many "Categories", and a "Category" belongs_to one "Posting". With that said, in the posting model I have "has_many :categories" and within the

Greetings, I''m fairly noob with rails and making my first DB driven site with it. I''m using the scaffold generator to develop the admin side of my site (admin_controller) I have three sections that I want to have the administrator edit, and I want to call these from the admin controller that has a layout with navigation to these three sections. When using the scaffold

Hi Everyone, I hope you guys can help me out. What is the best way to go about using a timer to execute events? I would like to execute a block of code every 24 hours (or at midnight - server time). Is this possible? What I am trying to get at is that I would like to create a new page every 24 hours and have that serve as my front page. Is it possible to route to this ''new

Hi, I am trying to create a simple point system and display the total on my index page. So I have my db basically setup like this: Posts id, body, created_at, user_id Post_points id, post_id, user_id, created_at, value So as you can see I am allowing other users to create points on the post and my db will store who gave the point as well. "value" is the point value which can

Hi, I have three Models: User, Group and File. User habtm groups and Group habtm Files How can I find all files that a particular user has access to? eg user.groups.files ? As user.groups returns an array, the above doesn''t work. Id like to find the files for all groups in that array, without adding any code to the User model. Thanks in advance PS I just posted this in the

Hi, I am very new to this so please go easy on me... I am trying to deploy my app on dreamhost and I seem to be having problems getting it working. One of the troubleshooting items on the wiki states: Rails apps in production mode do not reflect changes made after they start running. So, if you found a bug, fixed it and nothing appeared to happen--this is probably because you

No doubt this has been covered but I''ll be damned if I can find it. References appreciated so I can add to my library. 1. I have 3 tables in my problem: changes, environments, comments 2. changes are many-to-many to environments 3. changes has-many comments Here''s the tricky part: 4. environments has-many comments dependent on the current environment. Tables: changes,

Anyone have a chance to test any of the various iPhone SIP apps? I see there are a few out there, but most of the iTunes reviews aren't sufficiently technical to be useful. Thanks.

Hi, I've tried two SIP clients so far and both have unusable outgoing audio quality. Skype app sounds fine, and recording the same mic sounds fine, so I can only assume there is an issue with the clients themselves. Both clients allow you to register and make calls via SIP with any abitrary provider and credentials, so they'll work with Asterisk. I've tried them with two good