similar to: dumb question: what is attr_xxxx

Displaying 20 results from an estimated 2000 matches similar to: "dumb question: what is attr_xxxx"

2006 Nov 04
2
Possible to use attr_reader/writer in model?
I have some properties that I want setable externally, but readable only internally. I''ve played around with attr_writer (and attr_reader separately) but can''t figure out how to get either to work. I can do what I want using attr_accessor, or just straight out defining the prop setter method. Anybody know how to use attr_writer or attr_reader with a model? You da man, Joe
2006 Jan 09
1
Saving an upload
I am creating a database for movies (films) and television shows (shows) that will have has_and_belongs_to_many relationships with the pictures table. CREATE TABLE screenshots ( id serial NOT NULL, filename character varying NOT NULL, content_type character varying NOT NULL, primary key (id) ); CREATE TABLE films ( id serial NOT NULL, name character varying NOT NULL,
2007 Mar 21
2
A real puzzler: attr_accessor / create incompatibility?
Greetings, I have a problem with attr_accessor and create seemingly being at odds with each other in my environment. Here is the setup: A simple class representing a US State (say, Maine for example): class State < ActiveRecord::Base attr_accessor(:name, :code) end In an IRB session, I type the following and receive the response included below: >>
2008 Mar 04
4
Named collection forward fetching
Hello, I''m getting an "NoMethodError" traversing a named collection. Let me explain I have a named collection called best_friend in a class called user def self.best_friend find :all, :conditions => "designation = ''Best Friend''" end and if i do current_user.best_friend everything works great, I can pull up the user''s name as
2006 Jan 15
4
form inputs resetting on sumbit
I searched for forum for something about this but couldn''t find anything. For example I have this in my view: (you enter start/end dates from dropdowns, pick a category and a report is generated.) <%= start_form_tag :action => ''display_report'' %> From: <%= date_select ''report'', ''date1'' %> <br /> To: <%=
2009 Nov 27
2
attr_accessible & attr_accessor - what's the difference?
i''m still new to rails and working on digesting everything i come across. recently i came across these two. what is the difference between attr_accessor and attr_accessible? -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to
2006 Sep 03
2
Undefined method "xxx" of a model when calling a helper
Hi all I''m creating a shop page. I have a cart model that looks like the following: class Cart attr_reader :line_items def get_line_item id @line_items.each do |l| return l if l.id == id end end def initialize @line_items = [] end def empty! initialize end def empty? return true if @line_items.empty? false end end And I have some
2006 Jan 28
4
Randomised variables from sql
I''ve spent some time converting my website from php to RoR, and so far, I''m loving every bit of Rails. However, I''ve stumbled across a problem. On my old page, I''ve had a random quote display at a specific location, and I''d like to replicate this with RoR. Basically, I thought I would be able to add all quotes into a specific table in the database,
2006 Jun 07
7
file_column image versions
does anyone know much about resizing different versions of images with file_column? i tried it and everything works fine, but my question is can you do more than just make sizes with a version of image? i''m working on a photo album and i would like to resize the image to a medium size, but create a thumbnail as well and crop anything left to make the thumbnail a perfect square. --
2013 Jun 25
0
attr :location_string
Hi, I have come across attr :location_string inside a class definition in Rails application. class Web < class Params attr :location_string def .... end .... end I know how attr_accessor, attr_reader or attr_writer works. But I don''t have any idea on attr in Rails. Can you kindly explain what it does? Thanks, Christopher -- Posted via http://www.ruby-forum.com/. --
2006 Jan 12
1
A really newbie question
Hi, I have been playing around with Ruby after reading so much about it, and so I started tweaking with auto generated scaffold. But it seems like I must be missing something, can someone else please help me take a look and give me a couple pointers? In short I was trying to make a class User that has a method addupdate with 2 parameters (alias and email) which would either update the
2006 Jan 11
1
logger in my classes
Hi, I wrote a class which is not an AR extension, nor a controller. I''d like to use logger.* methods there too. My class is in lib/ dir. I include it in environment.rb with the line require ''lib/localization'' just after the line require File.join(File.dirname(__FILE__), ''boot'') I tried many ways to reuse the logger class. The cleaner way seemed to
2006 Sep 05
5
cattr_accessor
Hi, i''ve been playing with ror for a little over two months now, and was wondering wether someone could explain to me what was cattr_accessor and if it is still in use. . . i looked up in api.rubyonrails.com and coulnd''t find any documentation... is it a useful/worth learning method? what do u use it for? -- Posted via http://www.ruby-forum.com/.
2006 Aug 04
3
forms and relationships
i''m still pretty new to rails, and while i''ve been able to hack my way into having it do what i want so far, i''m not happy with the way my code looks. on top of that, i''m sure that what i''m doing prlly isn''t the most efficient either. one of my biggest problems is probably to do with using relationships and forms together. i''ve
2006 Jun 16
2
News posting system without a database
I need to create a news posting system without the use of a database. I''m going to create a file for each news post and have the view post each file in a specific directory as HTML. The newspost will contain: 1. A title. 2. A date. 3. The body. In the text file, I want line 1 to be the title, line 2 to be the date, and everything from line 3 on down to the be the body. What method
2006 Jul 05
5
ok, lightTPD is installed... how do i use it.
i used the hivelogic article to install ruby on rails to my mac: http://hivelogic.com/articles/2005/12/01/ruby_rails_lighttpd_mysql_tiger everything works great using the script/server command, but isn''t that still using WEBrick? how do i server my apps with lightTPD? i tried following the instructions given here: http://duncandavidson.com/essay/2005/12/railsonlighty but have had no
2006 Jun 20
5
ActionMailer to send to multiple people
I''ve been working with ActionMailer for a few days and finally have a pretty good grasp of it. In the book I''m reading, it shows how to send to multiple users or an array of users. Is there a setting or some configuration I can do to send the email to each person separately, or would I just need to loop through each user and send one email at a time? What is the best way to
2006 Apr 28
5
please explain web services
could someone explain some of the uses for a web service. i''m reading about how to make them, but i''m still not quite sure what they''re good for. i have multiple rails apps that i would like to pass user information back and forth to. i''m not sure if something like this could help me or not. thanks -- Posted via http://www.ruby-forum.com/.
2008 Feb 16
2
nil error?
Hi everyone, I''m sure I''m doing something stupid with this, so if somebody could talk some sense into me that would be great :) I''m trying to just increment a variable and I think I''m missing some basic concept (this is RoR 2.0.2 btw) So have a "players" table with several variables, including one called "odds". I''m using the
2006 Jul 15
4
learning from typo.
i have a copy of the typo source on my desktop that i am going through just to get a better understanding of the rails framework and ruby itself. i''m fairly new to everything so it has proved to be very helpful and very inspiring. i''m stuck on a part though. i was trying to figure out how everything on the sidebar works. i found the components folder and started looking