How can i write a cloud-aware application? e.g. an application that takes benefit of being deployed on cloud. Is it same as an application that runs or a vps/dedicated server? if not then what are the differences? are there any design changes? What are the procedures that i need to take if i am to migrate an application to cloud-aware?
...
Is there a way to obtain the stored value, that is, the one in the database once the instance has been modified?
The problem I'm trying to solve is get the stored slug of an object that failed to save to be able to regenerate the URL.
...
Session contains objects whose class definition isn\'t available.
Remember to require the classes for all objects kept in the session
I am trying to integrate http://github.com/binarylogic/authlogic for authentication into my rails application . I follwed all the steps into mentioned in the documentation . Now i seem to be getting thi...
Hey there,
I am trying to write a simple function to clean a filename string and update the object. When I save a test string it works, but when I try to save the string variable I've created, nothing happens. But when I return the string, the output seems to be correct! What am I missing?
def clean_filename
clean_name = file...
RoR application can generate URL such as /post/10. But now I want to create a site, which works with URI-fragments like gmail.
For example gmail uses the following URLs
https://mail.google.com/mail/?shva=1#sent
https://mail.google.com/mail/?shva=1#label/books
I need to generate URL such as /#/post/10, where controller = "post", action ...
I have an nested model student that belongs to a high_school. The problem is that when I go to create a new student (/high_schools/1/students/new) I get this error:
No route matches {:action=>"destroy", :controller=>"students", :high_school_id=> # <HighSchool id: 1, name: "cool place", ... }
<%= form_for @student, :url => high_school_...
In my messages_controller I have the following private method:
def find_message_or_404(slug)
message = user.messages.find_by_slug(slug)
if message.nil?
raise Error404
end
message
end
I find it not elegant and not very Rubist. Is there a way to improve it?
...
Ok I have this problem I'm trying to use Jquery to load a partial in replace of a listed object.
index.html.erb
<div class="style_image_<%= style.id %>" > <%=link_to image_tag(style.cover.pic.url(:small)), style %></div>
loadshow:
$(function() {
$(".style_image_<%= style.id %> a").click(function() {
$(".style_image_<%= style...
At the beginning this worked fine: $ rake cucumber:all
But then $ script/plugin install git://github.com/bmabey/email-spec.git
remote: Counting objects: 162, done.
remote: Compressing objects: 100% (130/130), done.
remote: Total 162 (delta 18), reused 79 (delta 13)
Receiving objects: 100% (162/162), 127.65 KiB | 15 KiB/s, done.
Resolvi...
I've written this class that returns feed updates, but am thinking it can be further improved. It's not glitchy or anything, but as a new ruby developer, I reckon it's always good to improve :-)
class FeedManager
attr_accessor :feed_object, :update, :new_entries
require 'feedtosis'
def initialize(feed_url)
@feed_object = Fee...
Hi,
I am trying out Mongrel and using the following code:
require 'rubygems'
require 'mongrel'
class SimpleHandler < Mongrel::HttpHandler
def process(request, response)
response.start(200) do |head, out|
head["Content-Type"] = "text/plain"
out.write("Hello World!\n")
end
end
end
h = Mon...
I'm working on a project where I programmatically need to know when a URL has been changed by a developer, post or during deploy. The obvious answer may be to curl the URL one day, save the output, then curl again in x days and diff the two. That won't work in my case, as I'm only looking for changes the developer made. If the site is...
screen:
E:\ir\InstantRails\rails_apps>gem install rspec
Attempting local installation of 'rspec'
Local gem file not found: rspec*.gem
Attempting remote installation of 'rspec'
ERROR: While executing gem ... (Gem::GemNotFoundException)
Could not find rspec (> 0) in the repository
my env: InstantRails 1.3a on windows
thanks for he...
I have the following data:
A post called Hello has categories greet
Another post called Hola has categories greet, international
My schema is:
create_table "posts", :force => true do |t|
t.string "name"
t.datetime "created_at"
t.datetime "updated_at"
end
create_table "categories", :force => true do |t|
t.string "name"
t...
I'm trying to create a custom MongoMapper data type in RoR 2.3.5 called Translatable:
class Translatable < String
def initialize(translation, culture="en")
end
def languages
end
def has_translation(culture)?
end
def self.to_mongo(value)
end
def self.from_mongo(value)
end
end
I want to be able to use it l...
Hello everyone:
How can I use sphinx to search french words which the entries in the db is actually english?
The situation is:
I have a ROR project with a table in the db called "categories", and the category names are in english, category has many "question" entries.
In localization file config/locals/fr.yml, these categories were t...
I have installed searchlogic and added will_paginate etc.
I currently have a product model that has tagging enabled using the acts_as_taggable_on plugin. I want to search the tags using searchlogic.
Here is the taggable plugin page:
http://github.com/mbleigh/acts-as-taggable-on
Each product has a "tag_list" that i can access using Pr...
It's very strange that the session will never expire if i use memcached store even i set
config.action_controller.session :session_expires => 1.seconds.from_now
And I use extended_fragment_cache to cache fragment, I meet the same problem
<% Cache "my_page", {:expires => 1.minutes} do ... %>
never expired!
Anyone know where's the pro...
My application is a set of two rails applications. Based on some parameters in first app. I need to setup the virtual host of the second app. I just need to change the ServerName and ServerAlias in apache VH and enable the site using a2ensite and then 'apache2 reload '.
How can I do this from within a rails application?
Thanks,
Imran
...
Is there some plan or estimate about how long will Rails 2 be supported after Rails 3 has been released?
I wanted to ride the wave and move to Rails 3 right away, specially for projects that may take 4 or 6 months to finish (so that they would probably be released with Rails 3.0.0 final) but I've found many things still not working, man...