similar to: customer defined sort order

Hi, I''m using the latest gem version of rails under MacOS Tiger. I was trying to use acts_as_tree as described in the rails book. So I have something like: class Category < ActiveRecord::Base acts_as_tree :order => "title" end create table categories ( id int not null auto_increment, title

Hi, I am trying to implement a few queries now. What are good ways to do this? Right now, I have a list page that does sorting and can carry out a generic pagination request. @user_result_pages, @user_results = paginate(:user_results, :per_page => 20, :conditions => @condition, :order_by => @sort_order) I create @sort_order earlier in the list function. The problem I am having is

i have a table of data in my application. i would like to be able to sort the data in the table by clicking on the column header. the way i was thinking i want to do this is just by making a ''sort'' action, and then calling the sort action from each link in the table header (passing the respective column name). it doesn''t seem to be possible to pass parameters to an

Hi! I''m looking for a good tutorial that explains the main points of performing queries with Rails. I do have AWDWR and have read the section on ''find'' but I''m looking for something that goes into more detail on how to perform queries across tables. Abstracted from my current application, this is an example: * person has_many sites * site has_one room *

My problem is that elements that were included in my site with innerHTML can´t be sortable because the DOM doesn´t know that these elements are there. Has anybody a solution or an idea to this problem? ToM --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Spinoffs" group. To post to this group,

Hi guys, I am a bit stuck here, I know the following is damn wrong, but I couldn''t figure out a cleaner solution yet. I have a bunch of images, each one has a published date and a ''liked'' number. A user can click like from an image once. The index of the images can be sorted after ''liked'', and ''published''. The show from an image has

Hey Ilio, I revisited the previous code i posted to you and fixed some things. This should let you collect as many studies as you like, controlled by the num_studies arg. If you try the below url in your browser you can see that it returns a "simpler" version of the link you posted. To get to this you need to hit F12 to open Developer Tools --> go to Network tab and click on the

Hello, I cannot find the issue and it drives me crazy :( let''s simplify. I have 2 models: saving and purchase_type a *saving* corresponds to a *purchase_type* e.g. new sourcing or renegotiation a saving has exactly one purchase_type and a purchase_type has many savings. when I try to display the list of savings and their purchase type (name, not Id), i get the dreaded "You have a

Before I start down this road, has anyone done a breadcrumbs implementation they''d be happy to share? Thanks Chris T

I just updated to rails (via gem) and now all my .find..... methods give me "wrong number of arguments(3 for 0)" with the exception of find_by_sql which works fine but I want to avoid for obvious reasons. I''ve tried simplifying everything down to the bare minimum Priorities.find(1) and I printed out Priority.table_name to confirm it was still correct. What gives? Did I

Starting to feel more confident and code is DRYing up nicely, but I''ve hit a brick wall here and hoping someone can help me. I''ve got a module, TrustRanking, which extends a number of model''s instance methods, and I want to extend their class methods too, but I can seem to work out how to do it. Simply including the module from the class works a treat for the

This had a VERY WRONG `To:' address and went straight into my "spam box" into which I don't look too often .. Martin ------- start of forwarded message ------- Message-ID: <Pine.A41.4.05.10008212237300.18590-100000 at fisher.stats.uwo.ca> MIME-Version: 1.0 From: Xiaoqiang Li <lxq at stats.uwo.ca> To: Majordomo-Owner at stat.math.ethz.ch Subject: r-help Date: Mon,

Me: not experienced with Rails or Ruby, Problem: Ubuntu 9.04 server in my shop ...couldn''t get Apache2.2 + Passenger + Rails to work for Redmine. (No answer at Redmine list and I don''t think its their problem anyway). Also couldn''t get Apache2.2 and just Rails to work, though some people said it would. Webrick works. Goal: run Redmine on a server that also runs PHP

Hoi All, I am trying to append collums to a data frame in a for loop. I read in tables, do some processing and then write the result to a data.frame. But, the thing I want is, that the results are appended to the data frame in stead of overwriting the results of the prevous table. It has to look something like this: After going trough the loop once: Array 1 1 2 3 4 5 After going

I have the same problem of a prevous request HOW to use the survivalROC (or another library in R) to get optimal cut-off values? I want to use the time-dependent survivalROC package.according to the,reference material,it only gives a set of ordered cut-off values .eg. -------------------------------------------------------------------------------- data(mayo) str(mayo) attach(mayo)

I'm just back from a computer practical where we ran into > "f" <- function(x) 2(x^2) # for 2 * x^2 This definition was taken as legitimate, although using the function generated the error message > f(3) Error in f(3) : attempt to apply non-function Am I right in thinking that in prevous versions of R this definition would have been declared as a syntax error? Surely a

Hi, You may need ?split(), or ?aggregate() or ?ddply() from library(plyr) dat1 <- read.table(tex="1 2 4 7 8 9 1 4 5 8 9 1 4 5 6 9 2 3 4 8 3 6 7 8 1 5 6 9 2 5 7 9",header=FALSE,sep="",fill=TRUE)? ## ?res1 <- do.call(rbind,lapply(split(dat1,dat1[,1]),function(x) c(V1=x[1,1],colSums(x[,-1],na.rm=TRUE))))

Hi, I am working with R on a Mac. I need to use a couple of packages that I found on the Web site. I install them using Packages and Data: Package Manager. I leave R and come back another time and the installed packages are not installed. So I do it again. Not a big deal, but is there anyway to make the installation permanent? I want to run R through a 3rd party data management software and since

Thanks for the answer. > Did you got errors during the classicupgrade? I didn't do classicupgrade. My Samba AD DC was installed from scratch some months ago using the instructions from this page https://wiki.samba.org/index.php/Samba_AD_DC_HOWTO and everything had been working well. I just upgraded some deb-packages with samba to the same version but different buid-release. Regarding