Displaying 20 results from an estimated 10000 matches similar to: "project proposal."
2012 May 10
6
Is it suitable using STI?
I have problems on a simple design problem.
I have many companies. Each company have one or more commercial activity.
Activities types are: ecommerce, local unit, television, automatic
vending machines, and so on.
Company may have one or more ecommerce activity or one or more local
unit activity, one ormore vending machines, etc.
How can I model this scenario?
Company has_many ecommerce has_many
2012 Feb 20
5
Rails hosting
Hi everybody,
I''m starting a new 3.2 project and i need to know the best hosting offers
THanks for your help
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2012 Nov 26
8
why functional test does not get failure?
The test:
test "should get new" do
get :new, :room_id => @room.name
assert_template(:ne)
end
the template new does not exists but the test does not get failure.
Why?
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2012 Sep 21
9
Using PostgreSQL with RoR on windows. Help!
So I just got involved in a huge team project with RoR and PostgreSQL.
But I can''t find anywhere on the internet to find a proper way to put
them together. I did find one but it is for iOS :-/
http://railscasts.com/episodes/342-migrating-to-postgresql?view=asciicast
I have them both installed and the gem package for postgres also. the
database.yml is already configured. I just
2011 Dec 17
7
How to fire Ajax call from Form_for
I am learning Rails 3 and need some help on Ajax part.
I am trying to accomplish the following:
There is a textarea on the page which has a length of letters
constraint, say 100. Every time a symbol is typed there,a nearby label
tells you how many letters you have left.
I plan to use Ajax to do this.
I googled for a few hours and could not figure out how to do this.
So far what I have done is
2012 May 13
4
undefined method `key?' for nil:NilClass,bcrypt-ruby,has_secure_password
I''m going through DHH''s Agile Web Development with Rails for Rails 3.1. In
chapter 14 they create a Users sign-in model/view/controller using the
has_secure_password method. My user.rb file looks like this
class User < ActiveRecord::Base
attr_accessible :name, :password_digest, :password, :password_confirmation
validates :name, presence: true, uniqueness:
2010 Dec 25
6
undefined local variable or method?
I have:
<%= form_for(@supplier) do |f| %>
.......
......
<%= render ''sector_categories'', :locals => {:f => f} %>
in _sector_categories partial I have:
<div class="field">
<div id="category_update">
<% for category in @categories %>
<%= f.check_box :category_ids[], category.id,
2011 Jun 15
5
rails 3.0.9
Today was expected the new stable rails release 3.0.9 with some fixed,
among all the problem with escape_javascript.
It seems that it see that has not been released, unfortunately.
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2011 Jan 08
9
options_for_select.
Even reading the documentation I can not figure out what is the
select_tag difference between this:
<% = select_tag (bags [], "options_for_select (bags.collect @ {| bb |
[bb.bag_type, bb.id]},
ruser.bags.collect @ {| ub | ub.id}), {: multiple => true,: id =>
"bags"})%>
and this:
<% = select_tag "bags [], " options_for_select (bags.collect @ {| bb
2011 Jun 19
10
validates_numercality_of with allow_nil.
In the model I have:
validates :square_meters_public_land, :barrier_meters, :numericality
=> { :greater_than_or_equal_to => 0 }, :allow_nil => true
but if, in the field, on create, I don''t insert a value I have the
error "field is not a number".
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2011 Sep 26
2
how to convert from xen .cfg files to libvirt xml?
I have a .cfg configuration file for a xen virtual machine.
I need to convert it in xml format to use with libvirt.
So I run virsh domxml-from-native xen-xm backupsrv.cfg but I have an error:
error: Unknown failure.
How can I investigate about the error?
2011 Jan 11
9
Can I omit respond_with.
If I don''t want xml results but only html can I omit respond_with in
some actions?
For example index from:
respond_with(@sectors = Sector.all)
becomes only
@sectors = Sector.all
isn''t it?
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2011 Nov 12
3
complex form with dynamic fields.
I''ve seen http://railscasts.com/episodes/73-complex-forms-part-1,
part2 and part3.
It seems to be my case.
I have:
Company
has_many :documents
has_many :tenders, :through..........
and
Document
belongs_to :company
Tender
has_many :companies, :through..........
I want to insert documents and tenerds on company creation.
If documents are more than one the user can click "add
2012 May 03
3
inheritance with rails.
Hello.
I''ve read about examples on inheritance with rails.
Here is an example:
http://juixe.com/techknow/index.php/2006/06/03/rails-single-table-inheritance/
The way is to add a type field in the table.
So if I have an Animal class with an attribute name, I can inherit
from this class like:
Dog < Animal, Cat < Animal, and so on.
With the type field in the table I can do Dog.all,
2012 May 09
12
out of memory (java heap space) on zip creation (jruby)
I am using rubyzip and am trying to put a huge csv file with 1.4
million rows into the zip file.
Using jruby I get a out of heap error.
I believe the error happens in the block below:
Zip::ZipOutputStream.open(zip_path) do |zos|
zos.put_next_entry(File.basename(csv_path))
zos.print IO.read(csv_path)
end
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2009 Sep 18
36
streaming server on a virtual machine.
I need to installa a streaming server for live videos and for video on demand.
My choice is red5.
Do you think I can use a xen virtual machine to run a streaming service?
Or it is better not to virtualize?
Sorry for my bad english.
_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users
2011 Feb 23
3
validates, what's wrong?
class Category < ActiveRecord::Base
belongs_to :sector
has_and_belongs_to_many :suppliers
validates :sector, :name, :presence => true
As you see I have validates :sector, :presence => true.
When I create a new Category, if I don''t select a sector I have an
error page with the message:
Couldn''t find Sector with ID=
But there is the validates, why I don''t
2010 Sep 13
13
what I've missed in routes.rb?
In routes.rb I''ve put:
resources :sessions
controller is:
class SessionsController < ApplicationController
def destroy
session[:id] = nil
session.delete(:casfilteruser)
CASClient::Frameworks::Rails::Filter.logout(self)
end
end
In application.html.erb I have:
<%= link_to ''Logout'', session_path(session[:cas_user]), :method => :delete %>
I
2011 Feb 10
7
upgrade leny-squeeze, xen3.2-xen4.0, what''s wrong?
I am running a Debian Squeeze Xen 4.0.1 Hypervisor and 2.6.32-5-xen-amd64 dom0.
My xen-tools.conf:
lvm = vg00
size = 100Gb # Disk image size.
memory = 2048Mb # Memory size
swap = 2G # Swap size
# noswap = 1 # Don''t use swap at all for the new system.
fs = ext4 # use the EXT3 filesystem for the disk image.
dist = `xt-guess-suite-and-mirror --suite` # Default
2011 Mar 26
2
upload file, read first 10 lines.
I have a csv file and in my controller:
uploaded_file = params[:upload][:csv].read
@rows << FasterCSV.parse(uploaded_file)
I want to put in @rows only the first 10 lines but the read method
reads all the file.
How can I do?
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