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  • Rails ActiveRecord conditions

    - by xpepermint
    Is there a way to create a condition like this? @products = Product.find(:all, :limit => 5, :conditions => { :products => { :locale => 'en', :id NOT '1' }, :tags => { :name => ['a','b']}) I would like to list all products not including product 1. Thx.

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  • Help porting a bit of Prototype JavaScript to jQuery

    - by ewall
    I have already implemented some AJAX pagination in my Rails app by using the example code for the will_paginate plugin--which is apparently using Prototype. But if I wanted to switch to using jQuery for future additions, I really don't want to have the Prototype stuff sitting around too (yes, I know it's possible). I haven't written a lick of JavaScript in years, let alone looked into Prototype and jQuery... so I could use some help converting this bit into jQuery-compatible syntax: document.observe("dom:loaded", function() { // the element in which we will observe all clicks and capture // ones originating from pagination links var container = $(document.body) if (container) { var img = new Image img.src = '/images/spinner.gif' function createSpinner() { return new Element('img', { src: img.src, 'class': 'spinner' }) } container.observe('click', function(e) { var el = e.element() if (el.match('.pagination a')) { el.up('.pagination').insert(createSpinner()) new Ajax.Request(el.href, { method: 'get' }) e.stop() } }) } }) Thanks in advance!

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  • How can I request an image and return it as black and white in rails?

    - by NotDan
    I'd like to have an image and a combo box with 2 options: color, and black and white. When the combo box selection changes, I'd like to return the image as black and white and have this done dynamically on the server (so I don't have to store the black and white image on the server). I was thinking I could point the img tag at a url like "/images/blackandwhite/120" where 120 is the image id of the color picture, and have it dynamically turn the image to black and white and return the image data to the browser. Is this possible? How would I do this?

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  • Rails functional testing without migrations

    - by Brian D.
    The name pretty much says it all. Does anyone know how to accomplish functional testing when you are not using migrations in Rails? I'd be open to any advice or third party libraries (if there are any). I thought of creating my own plugin to address this but it seems like a pretty big task and would rather not do this unless necessary. Thanks in advance.

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  • find_or_create_by_facebook_id method not found

    - by Justin
    Hi guys, I'm trying to find out where this function comes from. Any one have any clue? It's used by this: http://github.com/fluidtickets/facebooker-authlogic-bridge with a working example here: http://facebooker-authlogic-bridge.heroku.com Downloading the code, it throws: undefined method 'find_or_create_by_facebook_id' for #<Class:0xb04dd1c> I have no clue where this function comes from. Thanks all!

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  • RSpec: Expectation on model's not working while testing controller

    - by gmile
    I'm trying to write a functional test. My test looks as following: describe PostsController do it "should create a Post" do Post.should_receive(:new).once post :create, { :post => { :caption => "ThePost", :category => "MyCategory" } } end end My PostsController (a part of it actually) looks as following: PostController < ActiveRecord::Base def create @post = Post.new(params[:post]) end end Running the test I'm always receiving a failure, which says that the Post class expected :new but never got it. Still, the actual post is created. I'm a newbie to RSpec. Am I missing something?

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  • Why I am not able to run rails tests

    - by dorelal
    This is what I did. > git clone git://github.com/rails/rails.git > cd rails > cd railties > rake And I got following error. (in /Users/dorelal/dev/scratch/rails/railties) ./test/isolation/abstract_unit.rb:236:in `initialize': No such file or directory - /Users/dorelal/dev/scratch/rails/railties/tmp/app_template/config/boot.rb (Errno::ENOENT) from ./test/isolation/abstract_unit.rb:236:in `open' from ./test/isolation/abstract_unit.rb:236 from ./test/isolation/abstract_unit.rb:222:in `initialize' from ./test/isolation/abstract_unit.rb:222:in `new' from ./test/isolation/abstract_unit.rb:222 from test/application/configuration_test.rb:1:in `require' from test/application/configuration_test.rb:1 rake aborted! I checked ~/railties/tmp and this directory is empty. I know rails is not broken. So what am I missing?

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  • Autotest notifications on Ubuntu virtual environment

    - by Luciano
    I am having trouble getting Rails autotest notifications to work on the Engine Yard Vagrant environment. On the Mac, I normally get the notifications via Growl. However, on the virtual environment (which runs Ubuntu) that doesn't work. I tried running Linux notification setups such as libnotify+autotest-notification, but I get the following error: libnotify-Message: Unable to get session bus: /bin/dbus-launch terminated abnormally with the following error: Autolaunch error: X11 initialization failed. ** (notify-send:1004): CRITICAL **: dbus_g_proxy_connect_signal: assertion `DBUS_IS_G_PROXY (proxy)' failed ** (notify-send:1004): CRITICAL **: dbus_g_proxy_connect_signal: assertion `DBUS_IS_G_PROXY (proxy)' failed ** (notify-send:1004): CRITICAL **: dbus_g_proxy_call: assertion `DBUS_IS_G_PROXY (proxy)' failed Another path would be to have Growl receive the notifications remotely, but I don't even know where to begin with that... Any suggestions?

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  • unknown action with will_paginate

    - by merlin
    In my users controller I have this in a method: @users = User.paginate :page => params[:page], :per_page => 10, The results are rendered on users/search. The 2nd page link points to users/search?page=2, but it leads to an unknown action error.

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  • Custom capistrano task for working with scm repository

    - by Trevor
    Is there any way to create a custom capistrano task for performing other actions on a scm repository? For instance, I would like to create a task that will checkout a particular folder from my repository and then symlink it into the shared/ directory of the main project on my server. I know this can be done by creating a task and explicity defining the "svn co ..." command along with the scm username, password, and repository location. But this would display the password in plain text. Are there any built-in capistrano variables/methods that would help in this process?

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  • Multiple forms using Rails & jQuery & AJAX

    - by biggie8199
    I have multiple coupons on a page and I'm trying to get comments to work on each coupon. So for each coupon i have a comments form. Im using jQuery + Ajax to accomplish this. Here's what my code looks like. Coupon Page <p>Comments:</p> <% form_for(@comment) do |f| %> <%= f.label :body %><br /><%= f.text_field :body, :size => "24" %> <%= f.hidden_field :coupon_id, :value => coupon.id %> <%= f.submit "Save" %> <% end %> Application.js jQuery.ajaxSetup({ 'beforeSend': function(xhr) {xhr.setRequestHeader("Accept", "text/javascript")} }) jQuery.fn.submitWithAjax = function() { this.submit(function() { $.post(this.action, $(this).serialize(), null, "script"); return false; }) return this; }; $(document).ready(function() { $("#new_comment").submitWithAjax(); }) I tried changing the jQuery selector to a class $(".new_comment").submitWithAjax(); Thinking that would work, now all the submit buttons work, however it posts only the first form on the page. What can I change to make it so ajax submits the correct form and not the first one?

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  • Override transparency color when converting transparent PNG to JPG

    - by Alexander Malfait
    I'm using Dragonfly to generate thumbnail images in a Rails app. I'm serving all picture images as JPG's. Now the client is uploading transparent PNG files, like this one: http://www.ibanez.co.jp/products/images/eg2010/ART120_TRF_12_02.png Dragonfly uses RMagick to convert these images to JPG. The problem is that it converts the PNG images to JPG with a black background, and my site's design requires a white background. I've tried to override it like this: encoded_image = Magick::Image.from_blob(image.data).first if encoded_image.format.downcase == format image # do nothing else encoded_image.format = format encoded_image.background_color = "white" encoded_image.transparent_color = "white" encoded_image.to_blob end But the produced JPG images still contain a black background. Does anyone know how to beat RMagick into using a white background when converting the transparent layer? I know I could just serve as PNG, but then the images are 10 times as large, and the site is already pretty bandwidth heavy.

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  • Can 'locals' be used with 'collection' when rendering partials in Rails?

    - by Gav
    Everything works okay when I try to render a partial like this: = render :partial => "/shared/enquiry/car_type", :collection => @enquiry.available_car_types However, if I also want to pass a variable (in this case 'path', because I'm sharing this partial across two forms), the path is not available to me: = render :partial => "/shared/enquiry/car_type", :collection => @enquiry.available_car_types, :locals => {:path => customers_enquiry_path} I've tried moving things around, but nothing appears to work, leading me to believe one cannot use locals with collections. Any help would be appreciated. Gav

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  • Advanced count and join in Rails

    - by trobrock
    I am try to find the top n number of categories as they relate to articles, there is a habtm relationship set up between the two. This is the SQL I want to execute, but am unsure of how to do this with ActiveRecord, aside from using the find_by_sql method. is there any way of doing this with ActiveRecord methods: SELECT "categories".id, "categories".name, count("articles".id) as counter FROM "categories" JOIN "articles_categories" ON "articles_categories".category_id = "categories".id JOIN "articles" ON "articles".id = "articles_categories".article_id GROUP BY "categories".id ORDER BY counter DESC LIMIT 5;

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  • Rails form helper and RESTful routes

    - by Jimmy
    Hey guys, I have a form partial current setup like this to make new blog posts <% form_for([@current_user, @post]) do |f| %> This works great when editing a post, but when creating a new post I get the following error: undefined method `user_posts_path' for #<ActionView::Base:0x6158104> My routes are setup as follows: map.resources :user do |user| user.resources :post end Is there a better way to setup my partial to handle both new posts and editing current posts?

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  • Apache/Rails/Passenger directory URLs that don't end in '/' fail to 404.

    - by Portamento
    I'm using Apache with passenger to run a rails app. In my rails app, I have some static content in subdirectories of the public directory. Each subdirectory has an index.html in it. So, inside the public directory, I have a subdir called 'b' and inside it, is an index.html. So it's like this: /public/b/index.html I have links to these pages, of the form: http://a.com/b If I do this in my regular non-rails web directory, Apache correctly rewrites this URL to be http://a.com/b/ which then, subsequently shows the index.html. It's only when accessing my rails app that it doesn't work. In fact, if I turn off passenger mod... so it just accesses my rails app like a regular document root, it works correctly also. What the heck do I need to do to get this to work properly with passenger? Again, it works fine in apache itself when passenger is not involved. I am running passenger 2.1.3. I have another server running passenger 2.0 that doesn't seem to have this problem, but I don't see anything different in the config other than the different versions of passenger itself. HELP! Been working on this for two days solid with no improvement!

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  • gem install cannot find a header file

    - by Milktrader
    Following along the github README for talib_ruby: sudo port install ta-lib Complete. Next is where the trouble begins. sudo env ARCHFLAGS="-arch PLATFORM" gem install talib_ruby -- --with-talib-include=ABSOLUTE_PATH_TO_TALIB_HEADERS --with-talib-lib=ABSOLUTE_PATH_TO_TALIB_LIBS This install fails I believe because apparently it cannot find the ta_abstract.h file talib.c:2:25: error: ta_abstract.h: No such file or directory . . . many more errors I have included in my .bash_profile file the following: export ABSOLUTE_PATH_TO_TALIB_HEADERS=/opt/local/var/macports/software/ta-lib/0.4.0_0/opt/local/include/ta-lib export ABSOLUTE_PATH_TO_TALIB_LIBS=/opt/local/var/macports/software/ta-lib/0.4.0_0/opt/local/lib And indeed the ta_abstract.h file is located where I'm saying in the ABSOLUTE_PATH variable assignment. What gives?

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  • Location of Embedly (JQuery-Preview) Results

    - by user749798
    Embedly/Jquery-Preview has been fantastic. However, I'm trying to change the location of the preview result, and having trouble. Right now, the result appears right below the input field...but I'd rather have it in a separate part of the page. Is there a way to do this? I've tried changing the location of the selector and loading divs, but that hasn't helped. It seems to ignore those divs and put it right below the submit button. Below is my code: <form accept-charset="UTF-8" action="private" class="new_comment" data-remote="true" id="new_comment" method="post"> <input class="photo_comm" id="comment_comment" name="comment[comment]" placeholder="add a comment or link..." size="30" type="text" /><span type="text" id="counter">1000</span> <input class="btn btn-primary btn-mini" data-disable-with="Submitting..." name="commit" type="submit" value="Post" /> </form> <!-- Placeholder that tells Preview where to put the loading icon--> <div class="loading"> <img src='http://embedly.github.com/jquery-preview/images/loading-rectangle.gif'> </div> <!-- Placeholder that tells Preview where to put the selector--> <div class="selector"></div> $('#comment_comment').preview({ key:'60f1dcdf3258476794784148a6eb65e7', // Sign up for a key: http://embed.ly/pricing selector : {type:'rich'}, preview : { submit : function(e, data){ e.preventDefault(); $.ajax({ dataType: 'script', url: this.form.attr('action'), type: 'POST', data: data }); }, }, autoplay : 0, maxwidth : 400, display : {display : 'rich'} });

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  • Staring Shotgun with Thin as server using SSL

    - by Bryan Paronto
    I have a Facebook app I'm developing locally. I've configure everything correctly to SSL development with Thin. I know that using a shotgun.rb file, I can pass options to Thin to get it to start in SSL mode, but I'm not exact sure how to pass these options. I'm thinking something like: Thin:Server::options[:ssl] = true Thin:Server::options[:ssl_cert_path] = /path/to/cert/ Restarting thin constantly is getting old, so I'd really like to be able to use shotgun in development.

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  • Rails deployment

    - by sreeni
    I need to push my rails code into stating environment from github. And then deploy this app into engineyard in staging environment. Could some please give me step I need follow

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  • Polymorphic :has_many, :through as module in Rails 3.1 plugin

    - by JohnMetta
    I've search everywhere for a pointer to this, but can't find one. Basically, I want to do what everyone else wants to do when they create a polymorphic relationship in a :has_many, :through way… but I want to do it in a module. I keep getting stuck and think I must be overlooking something simple. To wit: module ActsPermissive module PermissiveUser def self.included(base) base.extend ClassMethods end module ClassMethods def acts_permissive has_many :ownables has_many :owned_circles, :through => :ownables end end end class PermissiveCircle < ActiveRecord::Base belongs_to :ownable, :polymorphic => true end end With a migration that looks like this: create_table :permissive_circles do |t| t.string :ownable_type t.integer :ownable_id t.timestamps end The idea, of course, is that whatever loads acts_permissive will be able to have a list of circles that it owns. For simple tests, I have it "should have a list of circles" do user = Factory :user user.owned_circles.should be_an_instance_of Array end which fails with: Failure/Error: @user.circles.should be_an_instance_of Array NameError: uninitialized constant User::Ownable I've tried: using :class_name => 'ActsPermissive::PermissiveCircle' on the has_many :ownables line, which fails with: Failure/Error: @user.circles.should be_an_instance_of Array ActiveRecord::HasManyThroughSourceAssociationNotFoundError: Could not find the source association(s) :owned_circle or :owned_circles in model ActsPermissive::PermissiveCircle. Try 'has_many :owned_circles, :through => :ownables, :source => <name>'. Is it one of :ownable? while following the suggestion and setting :source => :ownable fails with Failure/Error: @user.circles.should be_an_instance_of Array ActiveRecord::HasManyThroughAssociationPolymorphicSourceError: Cannot have a has_many :through association 'User#owned_circles' on the polymorphic object 'Ownable#ownable' Which seems to suggest that doing things with a non-polymorphic-through is necessary. So I added a circle_owner class similar to the setup here: module ActsPermissive class CircleOwner < ActiveRecord::Base belongs_to :permissive_circle belongs_to :ownable, :polymorphic => true end module PermissiveUser def self.included(base) base.extend ClassMethods end module ClassMethods def acts_permissive has_many :circle_owners, :as => :ownable has_many :circles, :through => :circle_owners, :source => :ownable, :class_name => 'ActsPermissive::PermissiveCircle' end end class PermissiveCircle < ActiveRecord::Base has_many :circle_owners end end With a migration: create_table :permissive_circles do |t| t.string :name t.string :guid t.timestamps end create_table :circle_owner do |t| t.string :ownable_type t.string :ownable_id t.integer :permissive_circle_id end which still fails with: Failure/Error: @user.circles.should be_an_instance_of Array NameError: uninitialized constant User::CircleOwner Which brings us back to the beginning. How can I do what seems to be a rather common polymorphic :has_many, :through on a module? Alternatively, is there a good way to allow an object to be collected by arbitrary objects in a similar way that will work with a module?

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  • problems selecting a mutliple select value from database in Rails

    - by Ramy
    From inside of a form_for in rails, I'm inserting multiple select values into the database, like this: <div class="new-partner-form"> <%= form_for [:admin, matching_profile.partner, matching_profile], :html => {:id => "edit_profile", :multipart => true} do |f| %> <%= f.submit "Submit", :class => "hidden" %> <div class="rounded-block quarter-wide radio-group"> <h4>Exclude customers from source:</h4> <%= f.select :source, User.select(:source).group(:source).order(:source).map {|u| [u.source,u.source]}, {:include_blank => false}, {:multiple => true} %> <%= f.error_message_on :source %> </div> I'm then trying to pull the value from the database like this: def does_not_contain_source(matching_profiles) Expression.select(matching_profiles, :source) do |keyword| Rails.logger.info("Keyword is : " + keyword) @customer_source_tokenizer ||= Tokenizer.new(User.select(:source).where("id = ?", self.owner_id).map {|u| u.source}[0]) #User.select("source").where("id = ?", self.owner_id).to_s) @customer_source_tokenizer.divergent?(keyword) end end but getting this: ExpressionErrors: Bad syntax: --- - "" - B - "" this is what the value is in the database but it seems to choke when i access it this way. What's the right way to do this?

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