Displaying 20 results from an estimated 10000 matches similar to: "Create a select with HABM"
2012 Feb 07
10
Encoding error
Hello, I have in my db a register what have special characters, and when
I try to put on my form to edit this values, this happens:
incompatible character encodings: UTF-8 and ASCII-8BIT
Extracted source (around line #4):
1: <%= form_for :group, :url => { :action => "update" } do |f| %>
2: <%= utf8_enforcer_tag %>
3: <label>Nome do grupo</label>
2012 Jan 21
16
Installing rails on Ubuntu
Hello, I''m trying to install the rails on ubuntu 11.10, but when I put
the command
felipe@Felipe:~/Downloads/rubygems-1.8.15$ sudo gem install rails
--no-r1 --no-rdoc
ERROR: Loading command: install (LoadError)
no such file to load -- zlib
ERROR: While executing gem ... (NameError)
uninitialized constant Gem::Commands::InstallCommand
felipe@Felipe:~/Downloads/rubygems-1.8.15$
2012 Jun 30
5
Problems with associations
Hello guys, I have two tables, tasks and projects, and each model I put:
Task.rb
class Task < ActiveRecord::Base
attr_accessible :user_id, :project_id, :name
belongs_to :project
end
Project.rb
class Project < ActiveRecord::Base
attr_accessible :name, :description
has_many :tasks
end
But when I go to my prompt and I make a SELECT with task, none project
is returned.
2012 Mar 01
1
MD5 in action
Hello guys, I need to make a hash in each register, but I don''t know how
I can do this.
Just like this:
<%= link_to :action => "index", :hash => MD5 :project.id %>
/index?hash=202cb962ac59075b964b07152d234b70
Thank all!
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2012 Feb 14
4
What I'm doing wrong, has_and_belong_to_many
Hello, I''m trying to insert into my migrate but when I try on rails
console this error shows:
1.9.3-p0 :001 > group = Group.new
=> #<Group id: nil, name: nil, description: nil, created_at: nil,
updated_at: nil>
1.9.3-p0 :002 > group.name = "Group Name"
=> "Group Name"
1.9.3-p0 :003 > group.description = "Description"
=>
2012 Feb 17
5
undefined method `key?' for nil:NilClass PaperClip
Hello, I have a problem with the paperclip, I put on my GemFile
gem "paperclip", "~> 2.6.0"
I create a migrate
class FileUpload < ActiveRecord::Migration
def up
change_table :projects do |t|
t.has_attached_file :image
end
end
def down
drop_attached_file :projects, :image
end
end
on my model I put
class Project < ActiveRecord::Base
2012 May 31
14
How install libv8 (therubyracer) Windows 7
Hello, I have a problem when I try to add the gem therubyracer.
I put in my prompt:
bundle install, and this error appears:
C:\rails\organily>bundle install
Fetching gem metadata from https://rubygems.org/.........
Using rake (0.9.2.2)
Using i18n (0.6.0)
Using multi_json (1.3.6)
Using activesupport (3.2.3)
Using builder (3.0.0)
Using activemodel (3.2.3)
Using erubis (2.7.0)
Using journey
2012 Jul 17
24
Static Pages from Railcast
Hi everyone,
I need several pages to be static but also modify when requested. I try
following the railcast from Ryan at
http://railscasts.com/episodes/117-semi-static-pages?view=comments
Here what I have done!!
rails g scaffold Pages name:string permanentlink:string title:string
author:string access_level:string is_published:boolean
meta_description:string meta_keyword:string
2012 Jul 19
6
Rendering Partial
I am a bit confused when coming from layout and partials.
To start of I have a file called application.html.erb which has my
layout such has follow
<html>
<head>
<body>
<%= render ''layouts/footer'' %>
</body
</html>
This call a new file _footer.html.erb
This file his has follow
<footer class="footer">
<nav>
<%=
2010 Dec 11
3
Why doesn't Heroku show the Rails default page?
Following chapter (1) of the Ruby on Rails tutorial:
http://railstutorial.org/, I was able to successfuly push the
application to "Heroku" using:
> git push heroku master
But, when I open the website, I get a page with the following:
App crashed
This application is temporarily offline.
If you''re the administrator of this app, please check your heroku logs
for the backtrace.
2013 Apr 24
3
join table naming
Hi,
I’m an amateur learning rails and could use some help…
I created a join table “pictures_questions”
and append to it in the following way:
@picture = Picture.new(params[:picture])
…
if @picture.save
@question.pictures << @picture
Everything works fine but honestly I think I got this working by sheer
luck and trial and error. I have 2 questions:
1. I do not understand the
2012 Jun 27
2
Select Helper Array of Array + Filter
Noob alert!
Hi, I am having trouble figuring out how to filter a select helper. The
following shows all of the rows in the table but I would like to filter
the collection from the list_name column (:list_name => "Project
Status"):
@project_status = Valuelist.all.collect {|s| [s.list_value,s.id]}
Thanks in advance, James
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2012 Aug 17
5
How to Include Gem in Different Path
Hi,
I just tried Ruby on Rails (with RailsInstaller 2.1.0) and it works fine
on my PC. However, when I put this on the website, I got the following
error message:
Could not find multi_json-1.3.6 in any of the sources
(Bundler::GemNotFound)
The problem is that the website has multi_json 1.0.4. The website
allows me to download my own gems, but after the process, it is located
at
2013 Mar 02
3
Following railstutorial.org tutorial, how to make the microposts be seen by all?
I am a new learner of Ruby on Rails.
I followed through the railstutorial.org tutorial and I''m trying to
learn off the sample demo app where you can to make microposts and only
the people who are "following" you can see them.
If I wanted to make it so every user can see microposts as an additional
functionality, what are the steps to do that?
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2011 Oct 18
15
Generate model from database
hello i want to ask, how to generate model from table in my database.
That''s possibel ?
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2012 Jun 27
5
explanation required on def method = (.)
hello, i''ve come across a code like
def password=(pass)
@password = pass
.
.
end
Anyone can please explain to me what is happening in the first line
itself for the def part? the code I saw did not provide anything on it
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2012 Nov 30
4
Tokeninput incremental search not working
Rails 3.1.3
After watching
http://railscasts.com/episodes/258-token-fields?autoplay=true
I have installed the similar functionality to my app.
However,
def index
@cities = City.all
...
does in fact give the list of all cities in the text field, but
def index
@cities = City.where("name like ?", "%#{params[:q]}%")
...
does NOT
2012 Apr 10
6
User Association
Please Im trying to create an application where i can post like twitter,
but i was the users name to be posted under their respective posts
My Post_controller looks like this
def index
@posts = Post.all(:order => "created_at DESC")
@users = User.find(:all)
#@user_id = current_user.find(params[:id])
respond_to do |format|
format.html
end
end
def create
2012 Jun 30
4
find_by_sql and join
hi
I amd tanizawa.
I had problem.
I can not get main.name value from below sql.
"find_by_sql ''select main.id,main.name,sub.name from main left join sub
on sub.id = main.id''"
Please teach me how to get borth name value.
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2013 Apr 03
2
strange behavior with active relation any? method
In console, I run the following and any? returns true:
drivers = Driver.select("drivers.*,
drivers.id").joins([:reports, :driving_habits]).where("extract(MONTH
FROM reports.time) = ? AND extract(YEAR FROM reports.time) = ?", 3,
2013).uniq.order("drivers.id asc").page(2).per(1)
drivers.any?
=> true
This correctly evaluates to true because the relation contains one