similar to: Appending a String to A Field

I have this code in a controller that returns images to my browser...with ROR. def index @products = Product.find_all_ pictures end ....this is the .rhtml.. <% for photo in @pic -%> <div class="entry"> <img src="<%= photo.image_url %>"/> <h3><%= h(photo.title) %></h3> <%= photo.description %>

I''m just learning Rails and have encountered a problem trying to set a field in a DB record based on the value of another form input field. Using the scaffold code, the create works as expected and the update (edit) also works. However, one of the DB fields (amount) is supposed to be computer from another (units): if the category field is "Mileage", amount= units *

I have been playing with the cookbook type of tutorials building a fish tournament scoring piece and am having a bit of a problem with a DB field called "points" in my "catch" table that is not input by the user but is calulated based on a "size" field that is input by the user. I have the following in my catch_controller.db def new @catch = Catch.new @fish =

Is it possible with ROR to dynamically create a javascript file which will overwrite the existing file in the ''javascripts'' directory after a database is updated? Anybody know how? Jim _________________________________________________________________ Express yourself instantly with MSN Messenger! Download today - it''s FREE!

Hi I''m new to Rails and I''m struggling with a ''has-one'' relationship. I''m trying to save product and image data in seperate tables with one to one relationship. I''m assuming the problem lies in the controller method below but can''t work it out. The models contain the has_one and belongs to statements, and I tried swapping these

I can''t seem to figure out how to validate a few fields some1 please help me out model--------- class Record < ActiveRecord::Base validates_presence_of :sw, :flex end controller------------ class RecordController < A;;icationController def new @record = Rrecord.new @product = Product.find(params[''product_id'']) end def create

I have two tables, applicants, and skills where each applicant "has_many" skills, and each skill "belongs_to" an applicant. When I have a reference to an applicant and a (skill) id for one of their skills, I thought to update their skills by using @applicant.skills.find(id_of_skill).description = ''new description'' # even adding

Getting this error when hitting update. NoMethodError in Article#update You have a nil object when you didn''t expect it! You might have expected an instance of ActiveRecord::Base. The error occured while evaluating nil.update_attributes Source code. def create @article = Article.new(params[:article]) @article.user = @session[''user''] if @article.save

I dont know if its me or the dodgy win-32 intall of ruby/mysql, but I can''t seem to get update_attributes to work. In my user controller, I have: def update @user = User.find(@params[''user'']["id"]) if @user.update_attributes(@params["user"]) flash["success"] = "Updated Successfully" redirect_to :action =>

Hello, Thnks; You are absolutely right.I changed it to point to file:/root/ttylinux/ttylinux-xen , unmounted mnt and had succeeded to create and log in to the new created domain. Silly of me. John >Are you supposed to mount the filesystem under dom0 before you start >ttylinux? >From: Marius Hårstad Kjerkreit <mkjerkreit@gmail.com> >Reply-To: Marius Hårstad Kjerkreit

Thanks to everyone who responded to my first set of questions. Not only did I get my questions answered but I improved my code and learned a couple new things. I think I prefer the mailing list over IRC... easier to follow :-) I have some more questions if you don''t mind. Some are Rails related and some are Ruby related. 1) This is concerning displaying error messages. I am assuming

Hi All, Thanks in advance for your help. I take this to be a very basic question, but I'm very new to R. I'm trying to figure out how to parse an object. I have the following: > fileLocation location 1 foo.csv > fileLocation$location [1] foo.csv Levels: foo.csv What I want to get back is

i have these two really similar methods in my addressbook controller. def edit_company @company = Company.find(params[:id]) if request.post? and @company.update_attributes(params[:company]) flash[:notice] = ''Company was successfully edited.'' redirect_to :action => ''show'', :id => @company end end def edit_person

thanks Billy. I replaced print "STREAM FILE $filename \"\"\n"; with print "EXEC PLAYBACK $filename \n"; and it worked fine. Interestingly when I did print "STREAM FILE beep \"\"\n"; within the script, it worked. If I wasnt a newbie to asterisk I wouldve thought this to be strange. >From: "William Piper"

Hi, having a few problems working out whats kicking off, im using validates_presence_of :title in a models class this seemed to work fine untill I used a custom new.rhtml error message I am gaining is NoMethodError in Recipe#create Showing app/views/recipe/new.rhtml where line #15 raised: You have a nil object when you didn''t expect it! You might have expected an instance of Array.

Hello, I am updating an object with an AJAX form: view: <% remote_form_for(@sample, :update => "content2") do %> <p> parameter: <br /> <%= select("sample","parameter",Parameter.find(:all).collect {|p| [p.description.gsub(''_'', '' ''),p.id]},{},{:size => 4, :multiple => true}) %>

I really need your help guys... I spent 6 hours on this simple update command today that should work. It works fine in my other controller, but doesn''t work in this one for some reason. Here is my controller code for the list view, and then the update command: ====== def edit @user = User.find(params[:id]) end def update @user = User.find(params[:id]) if

Hello, I was wondering what the easiest way would be to get all input fields in a form - they all have the same id like toggle[] for instance. how could I e.g. count them? would the getElements or getInputs work for instance and how would I use them? thank you _________________________________________________________________ Express yourself instantly with MSN Messenger! Download today -

Hi there, I have 2 actions that are rather identical: # Put /account/you/update_password def update_password @user = current :user respond_to do |format| if @user.update_attributes(params[:user]) format.html {redirect_to account_url} else format.html {render :action => "edit_password"} end end end # PUT /account/you # Update

hi i think my example is very simple and straightforward so i''m not sure if it meets your needs (change revert:true to revert:false from a draggable after I drop it on a droppable so it doesn''t return to its original place.) i did this # 2 divs created here <script language="javascript"> new Draggable(''drag'', {revert: false});