similar to: key value pairs working

Hello friends , I have a clear method here :: def create @invoiceitems = Invoiceitems.new(params[:invoiceitems]) @invoiceitems["invoice_id"] = params[:id] if @invoiceitems.save flash[:notice] = ''Invoiceitems was successfully created.'' redirect_to :action => ''new'',:id => params[:id] else render :action =>

Hi Friends , Got a unique requirement .I am designing a invoice printing system .So right now I have the NEW page for adding the invoice details to the table .Now I have the requirement of adding Invoice Items In the same form .I have added multiple text boxes to enter the values of the Items using <%= text_field ''invoiceitems[]'', ''item_price''

hello friends , I was trying to select all the invoice items from the table invoiceitems with a condition.But I am getting a NULL array .Please help me in fixing this :: @oldinvoiceitems = Invoiceitems.find(:all, :conditions => [''invoice_id = :invoiceid'', { :invoiceid => ''params[:id]'' } ] ) Thanx and regards, Naroor Rathish,

Hello Friends, def new @invoiceitems = Invoiceitems.new @oldinvoiceitems = Invoiceitems.find(:all, :conditions =>[''invoice_id = :invoiceid'', { :invoiceid => params[:id] } ] end Error is being shown in the line number with ''end''. This is for initialising a new invoiceItems object and also finding and storing all the invoice items for a

Hi, I have been building a invoice generator(in ruby on rails) for the past some days and been stuck on the final page .This page will have fields for entering the invoice details and also I have added a AJAX effect so that fields for invoice items get created dynamically . its all design well but the issue comes when I am trying to save the page .That is adding ivoice details to invoices

hi friends, How can i install ruby on rails locally .I mean I dont have internet access in my system and want to install Ror .Please help me out . Thanking you, Naroor Rathish -- Posted via http://www.ruby-forum.com/.

Hi friends , I was trying this code and finding some errors.I am trying this to implement dynamic creation of invoice items in invoices using AJAX .Please go thru . I added a partial :: <% @invoiceitem = invoiceitem -%> <%= text_field ''invoiceitem'', ''item_price'', ''index'' => invoiceitem_counter %> <%= text_field

Hi friends , I want to disable the text box we use in ruby on rails .How can I add the disabled keyword inside <%= text_field ''invoice'', ''inv_amount'' ,"size"=> 15 %> . I tried <%= text_field ''invoice'', ''inv_amount'' ,"size"=> 15 ,"disabled" %> Thanx and regards, Naroor

Hi , Anyone knows how we can disable <% text_field %> . Thanx, Rathish -- Posted via http://www.ruby-forum.com/.

My background is Windows development using Visual Studio and I''m trying to get up to speed with Ruby on Rails, so please excuse these basic questions. I''ve downloaded InstantRails and can run the sample application - so Apache, MySQL, Ruby etc. are working. Where''s the "development environment"? Where do I go to edit files, create models and controllers

1st: I am a newbie to Rails & to pure OO. Q: I want to use rails for creating a "master-detail" form. page layout will allow users to type in an "expense report header" and as many "expense report lines" as they need to. I understand how to wrap the final submit action using "transaction" to ensure the inserts to the database happen within the same

Hi, I need to run a PCoA (PCO) for a data set wich has both positive and negative values for variables. I  could not find any distancecoefficient other than euclidean distace running for the data set. Are there any other coefficient works with negtive values.Also I cannot get summary out put (the eigen values) for PCO as for PCA.   Thanks. Dilshan [[alternative HTML version deleted]]

as i''m finding it difficult to override the form Ui elements using activescaffold -= i''m looking for a help to build a drop down list in UI (values pulled from databse through SQL query) and so user can select these valus while submitting to database. pls provide any example strictly using activescaffold plugin. thanks selvan-kalaiselvan

Hi: I use lm (linear model) to analyze 47 variables , 8 responses So I use loop to finish it . I want the program to show the results that P-value is less than 0.05. How can I cite the P-valus from lm result ? Ping The code: #using LM to model general fati for (j in 48:52) { for (i in 3:46){ gen.fat<-y_x[,j] gen.fat<-as.numeric(gen.fat) snp_marker<-y_x[,i] x<-colnames(y_x)

How about -- d is a vector as you described it, then define d1 <- d[1:(length(d)-1)] d2 <- d[2:length(d)] d3 <- d1!=0 & d2!=0 & (d1-d2)!=0 I think d3 is the final vector you wanted. I didn't test it, so I'm not sure my logic is right, but I think this is definitely a path you can take... -----Original Message----- From: owner-r-help at stat.math.ethz.ch

I want to write to M, using row and columns taken from A and B, with values from C. C is a lot longer than A and B, so only the first 67420 elements of C are used in my loop.So how can I improve it to take then the next 67420 and write it to new file and so on till the 248th 67420. Many thanks library(Matrix) M <- Matrix(-9999, 360, 720) ## creat matrix with 720 columns and 360 ro ws

Dear R experts Sorry for posting: I have text file that I need to read into R (this is out from different program). A portion of data look like: ;example data 1_1 ch1 0.0 HAAAHHAAAHHAAAAAHHAHHAHAHHHAAHHAHAAAAHAAAHHAHHAAHAHHAAAAHAAAHHHAAAHHAHHHAAAHHHHAHHAAHAAAAHAHHHHHAAAHAHHAHHHHAHHHHHHHHHAAHAAHHHAHAAAAAHHHHHHAHHHHHAHHHH 1_2 ch1 0.1

Dear R users, x-values (EI) = Adw, EG1, LA1, Ad1, LA2, LA3...(14 levels, insect stages) y-valus = antpop within the boxplot function x-values are ordered alphabetically Idea: x-values ranked by list order (insect stage: Egg stage 1 is followed by Larvae 1 and not by Egg stage 2 as it would be in an alphabetically order) Problems with the order(tapply()) function: variable lengths

Hi All, I am trying to make a loop for a function and I am using the following codes. "p" and "var" are some matrix obtained before. I would like to apply the function "gpdlow" for i in 1:12 and get the "returnlow" for i in 1:12. But when I ask for "returnlow" there are warnings and it turns out some strange result. for (i in 1:12){ gpdlow

Hi all, I am trying hard to do the following and have already spent a few hours in vain: I wanted to do the scatter plot. But given the high dispersion on those dots, I would like to bin the x-axis and then for each bin of the x-axis, plot the quantiles of the y-values of the data points in each bin: 1. Uniform bin size on the x-axis; 2. Equal number of observations in each bin; How to do