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  • Modifying records in my migration throws an authlogic error

    - by nfm
    I'm adding some columns to one of my database tables, and then populating those columns: def self.up add_column :contacts, :business_id, :integer add_column :contacts, :business_type, :string Contact.reset_column_information Contact.all.each do |contact| contact.update_attributes(:business_id => contact.client_id, :business_type => 'Client') end remove_column :contacts, :client_id end The line contact.update_attributes is causing the following Authlogic error: You must activate the Authlogic::Session::Base.controller with a controller object before creating objects I have no idea what is going on here - I'm not using a controller method to modify each row in the table. Nor am I creating new objects. The error doesn't occur if the contacts table is empty. I've had a google and it seems like this error can occur when you run your controller tests, and is fixed by adding before_filter :activate_authlogic to them, but this doesn't seem relevant in my case. Any ideas? I'm stumped.

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  • Is there a Railscasts for Django?

    - by J McConnell
    I learned everything I know about Rails from Railscasts. Now I want to learn Django but I'm not finding any comprehensive tutorial resources like Railscasts. Does an equivalent not exist in the Django world? If so, is that because there is less to learn?

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  • redirecting domain to nameservers in heroku?

    - by user163352
    i have configured my domain to heroku ip's 75.101.163.44 75.101.145.87 174.129.212.2 But its not redirecting my app to domain..error says There is no app configured at that hostname. Perhaps the app owner has renamed it, or you mistyped the URL. did each heroku app has unique ip address.if so how to get the unique ip and how to redirect it to domain.. thanks..

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  • Incorporating Devise Authentication into an already existing user structure?

    - by Kevin
    I have a fully functional authentication system with a user table that has over fifty columns. It's simple but it does hash encryption with salt, uses email instead of usernames, and has two separate kinds of users with an admin as well. I'm looking to incorporate Devise authentication into my application to beef up the extra parts like email validation, forgetting passwords, remember me tokens, etc... I just wanted to see if anyone has any advice or problems they've encountered when incorporating Devise into an already existing user structure. The essential fields in my user model are: t.string :first_name, :null => false t.string :last_name, :null => false t.string :email, :null => false t.string :hashed_password t.string :salt t.boolean :is_userA, :default => false t.boolean :is_userB, :default => false t.boolean :is_admin, :default => false t.boolean :active, :default => true t.timestamps For reference sake, here's the Devise fields from the migration: t.database_authenticatable :null => false t.confirmable t.recoverable t.rememberable t.trackable That eventually turn into these actual fields in the schema: t.string "email", :default => "", :null => false t.string "encrypted_password", :limit => 128, :default => "", :null => false t.string "password_salt", :default => "", :null => false t.string "confirmation_token" t.datetime "confirmed_at" t.datetime "confirmation_sent_at" t.string "reset_password_token" t.string "remember_token" t.datetime "remember_created_at" t.integer "sign_in_count", :default => 0 t.datetime "current_sign_in_at" t.datetime "last_sign_in_at" t.string "current_sign_in_ip" t.string "last_sign_in_ip" t.datetime "created_at" t.datetime "updated_at" What do you guys recommend? Do I just remove email, hashed_password, and salt from my migration and put in the 5 Devise migration fields and everything will be OK or do I need to do something else?

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  • ActiveRecord Logic Challenge - Smart Ways to Use AR Timestamp

    - by keruilin
    My question is somewhat specific to my app's issue, but the answer should be instructive in terms of use cases for association logic and the record timestamp. I have an NBA pick 'em game where I want to award badges for picking x number of games in a row correctly -- 10, 20, 30. Here are the models, attributes, and associations in-play: User id Pick id result # (values can be 'W', 'L', 'T', or nil. nil means hasn't resolved yet.) resolved # (values can be true, false, or nil.) game_time created_at *Note: There are cases where a pick's result field and resolved field will always be nil. Perhaps the game was cancelled. Badge id Award id user_id badge_id created_at User has many awards. User has many picks. Pick belongs to user. Badge has many awards. Award belongs to user. Award belongs to badge. One of the important rules here to capture in the code is that while a user can be awarded multiple streak badges (e.g., a user can win multiple 10-streak badges), the user CAN'T be awarded another badge for consecutive winning picks that were previously granted an award badge. One way to think of this is that all the dates of the winning picks must come after the date that the streak badge was awarded. For example, let's pretend that a user made 13 winning picks from May 5 to May 8, with the 10th winning pick occurring on May 7, and the last 3 on May 8. The user would be awarded a 10-streak badge on May 7. Now if the user makes another winning pick on May 9, the code must recognize that the user only has a streak of 4 winning picks, not 14, because the user already received an award for the first 10. Now let's assume that the user makes 6 more winning picks. In this case, the code must recognize that all winning picks since May 5 are eligible for a 20-streak badge award, and make the award. Another important rule is that when looking at a winning streak, we don't care about the game time, but rather when the pick was made (created_at). For example, let's say that Team A plays Team B on Sat. And Team C plays Team D on Sun. If the user picks Team C to beat Team D on Thurs, and Team A to beat Team C on Fri, and Team A wins on Sat, but Team C loses on Sun, then the user has a losing streak of 1. So when must the streak-check kick-in? As soon as a pick is a win. If it's a loss or tie, no point in checking. One more note: if the pick is not resolved (false) and the result is nil, that means the game was postponed and must be factored out. With all that said, what is the most efficient, effective and lean way to determine whether a user has a 10-, 20- or 30-win streak?

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  • Modify strings in Rails?

    - by Daniel O'Connor
    Hey everyone, So I'm new to Rails (teaching myself as a senior project in high school), and I'm trying to figure out how to modify these strings. Let's say someone writes the following string in a form: "you know you are a geek when" How can I automatically change it to this: "You know you are a geek when..."? I need Rails to check the case of the first letter and check for the three dots then modify the string as necessary. I've looked here, but I can't find anything that would work. Thanks a lot!

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  • Import CSV from url address and export as XML -- Rails

    - by Jeffrey
    Two questions: How can I import a file from a web address, without a form? Example: Organisation.import(:from = 'http://wufoo.com/report.csv') How can I use xml builder without pulling from the db? More Info My company uses wufoo for web forms. The data from wufoo is exported as csv files. To get the data into my company's cms, it needs to be formatted as xml. I don't need to store any of the data, aside from the url to the csv file. I thought this might work well as a simple rails app.

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  • Compass, Haml alongside Sass installation took over ERB, need to reverse

    - by Nik
    Hi all, I've been trying out Compass for a few days now, and just now I ran into some strange problem: The past few days, as usual, whenever I use my textmate shortcut to create a partial if not already created, that partial will be created in .erb format, but then just now, a few minutes ago, I have no idea what I have done, when I tried to create a new partial, it is prompting me to create one that ends with .haml. when I didn't create that and manually created a .erb partial with all the code that was suppose to go in there, I tried to load the page that uses that partial, it says the partial is missing. That kind of tells me now Rails is looking for Haml templates instead of erb templates. That means all my other partials are useless. And indeed they have become!!! I don't know how this happened. It was working fine with ERB just minutes ago, and suddenly Haml took over and demand all partials be written in it. So my question: Can I keep both Haml and Erb in one Rails application and use mostly erb except for Sass/compass related files? Where in Rails does it state what templating format (erb | haml) it should use? Thanks!

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  • Passing an array into hidden_field ROR

    - by JZ
    I'm trying to pass an array into a hidden_field. The following User has 3 roles [2,4,5] >> u = User.find_by_login("lesa") => #<User id: 5, login: "lesa", email: "[email protected]", crypted_password: "0f2776e68f1054a2678ad69a3b28e35ad9f42078", salt: "f02ef9e00d16f1b9f82dfcc488fdf96bf5aab4a8", created_at: "2009-12-29 15:15:51", updated_at: "2010-01-06 06:27:16", remember_token: nil, remember_token_expires_at: nil> >> u.roles.map(&:id) => [2, 4, 5] Users/edit.html.erb <% form_for @user do |f| -%> <%= f.hidden_field :role_ids, :value => @user.roles.map(&:id) %> When I submit my edit form, I receive an error: ActiveRecord::RecordNotFound in UsersController#update "Couldn't find Role with ID=245" How can I pass an array into the hidden_field?

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  • Rails nested models and data separation by scope

    - by jobrahms
    I have Teacher, Student, and Parent models that all belong to User. This is so that a Teacher can create Students and Parents that can or cannot log into the app depending on the teacher's preference. Student and Parent both accept nested attributes for User so a Student and User object can be created in the same form. All four models also belong to Studio so I can do data separation by scope. The current studio is set in application_controller.rb by looking up the current subdomain. In my students controller (all of my controllers, actually) I'm using @studio.students.new instead of Student.new, etc, to scope the new student to the correct studio, and therefore the correct subdomain. However, the nested User does not pick up the studio from its parent - it gets set to nil. I was thinking that I could do something like params[:student][:user_attributes][:studio_id] = @student.studio.id in the controller, but that would require doing attr_accessible :studio_id in User, which would be bad. How can I make sure that the nested User picks up the same scope that the Student model gets when it's created? student.rb class Student < ActiveRecord::Base belongs_to :studio belongs_to :user, :dependent => :destroy attr_accessible :user_attributes accepts_nested_attributes_for :user, :reject_if => :all_blank end students_controller.rb def create @student = @studio.students.new @student.attributes = params[:student] if @student.save redirect_to @student, :notice => "Successfully created student." else render :action => 'new' end end user.rb class User < ActiveRecord::Base belongs_to :studio accepts_nested_attributes_for :studio attr_accessible :email, :password, :password_confirmation, :remember_me, :studio_attributes devise :invitable, :database_authenticatable, :recoverable, :rememberable, :trackable end

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  • rails: has_many :through validation?

    - by ramonrails
    Rails 2.1.0 (Cannot upgrade for now due to several constraints) I am trying to achieve this. Any hints? A project has many users through join model A user has many projects through join model Admin class inherits User class. It also has some Admin specific stuff. Admin like inheritance for Supervisor and Operator Project has one Admin, One supervisor and many operators. Now I want to 1. submit data for project, admin, supervisor and operator in a single project form 2. validate all and show errors on the project form. Project has_many :projects_users ; has_many :users, :through => :projects_users User has_many :projects_users ; has_many :projects, :through => :projects_users ProjectsUser = :id integer, :user_id :integer, :project_id :integer, :user_type :string ProjectUser belongs_to :project, belongs_to :user Admin < User # User has 'type:string' column for STI Supervisor < User Operator < User Is the approach correct? Any and all suggestions are welcome.

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  • Rails new vs create

    - by Senthil
    Why is there a need to define a new method in RESTful controller, follow it up with a create method? Google search didn't provide me the answer I was looking for. I understand the different, but need to know why they are used the way they are.

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  • XML Pretty Printer Missing 2 Key Edge Cases

    - by viatropos
    Using this xslt file found on this blog to pretty print xml using Nokogiri, everything almost works, but to the point where I can't use it for HTML. First, if a node is empty, it turns it into a self closing node, so: <textarea></textarea> gets converted to <textarea/> But that messes up the html tree when rendered. Second, if the node just has text, the text isn't tabbed, and the closing node isn't tabbed, so: <li> <label>some text</label> </li> becomes: <li> <label>some text </label> </li> ...but it would ideally be: <li> <label> some text </label> </li> Does anyone who's pro at XSLT know a quick fix for this?

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  • Rails: vendor/gems or vendor/plugins?

    - by TheDeeno
    I'm attempting to track my dependencies with git-submodules in my rails app. So far I've added submodules for things like, haml, shoulda, authlogic, etc to 'vendor/plugins'. I've seen indications that I should be using 'vendor/gems' instead though. Question, which directory is the appropriate place to put dependencies being tracked as submodules? Is the choice arbitrary? Thanks

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  • Ajax, Multiple Attachments and Paperclip question.

    - by dustmoo
    Alright everyone this is a bit of a complicated setup so if I need to clarify the question just let me know. I have a model: class IconSet < ActiveRecord::Base has_many :icon_graphics end This Model has many icongraphics: class IconGraphic < ActiveRecord::Base belongs_to :icon_set has_attached_file :icon has_attached_file :flagged end As you can see, IconGraphic has two attached files, basically two different versions of the icon that I want to load. Now, this setup is working okay if I edit the icongraphic's individually, however, for ease of use, I have all the icon graphics editable under the IconSet. When you edit the icon set the form loads a partial for the icongraphics: <% form_for @icon_set, :html => {:class => 'nice', :multipart => true} do |f| %> <fieldset> <%= f.error_messages %> <p> <%= f.label :name %> <%= f.text_field :name, :class => "text_input" %> </p> <!-- Loaded Partial for icongraphics --> <div id="icon_graphics"> <%= render :partial => 'icon_graphic', :collection => @icon_set.icon_graphics %> </div> <div class="add_link"> <%= link_to_function "Add an Icon" do |page| page.insert_html :bottom, :icon_graphics, :partial => 'icon_graphic', :object => IconGraphic.new end %> </div> <p><%= f.submit "Submit" %></p> </fieldset> <% end %> This is based largely off of Ryan's Complex Forms Railscast. The partial loads the file_field forms: <div class="icon_graphic"> <% fields_for "icon_set[icon_graphic_attributes][]", icon_graphic do |icon_form|-%> <%- if icon_graphic.new_record? -%> <strong>Upload Icon: </strong><%= icon_form.file_field :icon, :index => nil %><br/> <strong>Upload Flagged Icon: </strong><%= icon_form.file_field :flagged, :index => nil %> <%= link_to_function image_tag('remove_16.png'), "this.up('.icon_graphic').remove()"%><br/> <% else -%> <%= image_tag icon_graphic.icon.url %><br/> <strong>Replace <%= icon_graphic.icon_file_name %>: </strong><%= icon_form.file_field :icon, :index => nil %><br /> <% if icon_graphic.flagged_file_name.blank? -%> <strong>Upload Flagged Icon: </strong><%= icon_form.file_field :flagged, :index => nil %> <% else -%> <strong>Replace <%= icon_graphic.flagged_file_name %>: </strong><%= icon_form.file_field :flagged, :index => nil %> <%= icon_form.hidden_field :flagged, :index => nil %> <% end -%> <%= link_to_function image_tag('remove_16.png'), "mark_for_destroy(this, '.icon_graphic')"%><br/> <%= icon_form.hidden_field :id, :index => nil %> <%= icon_form.hidden_field :icon, :index => nil %> <%= icon_form.hidden_field :should_destroy, :index => nil, :class => 'should_destroy' %> <br/><br/> <%- end -%> <% end -%> </div> Now, this is looking fine when I add new icons, and fill both fields. However, if I edit the IconSet after the fact, and perhaps try to replace the icon with a new one, or if I uploaded only one of the set and try to add the second attachment, paperclip doesn't put the attachments with the right IconGraphic Model. It seems that even though I have the IconGraphic ID in each partial, <%= icon_form.hidden_field :id, :index => nil %> it seems that paperclip either creates a new IconGraphic or attaches it to the wrong one. This all happens when you save the IconSet, which is setup to save the IconGraphic attributes. I know this is complicated.. I may just have to go to editing each icon individually, but if anyone can help, I would appreciate it.

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  • Google Maps integration with JSON - CircularReferenceError

    - by JZ
    I'm working on Rails 3.0.0.beta2, following Advanced Rails Recipes "Recipe #32, Mark locations on a Google Map" and I hit a road block. The following code is returning a "ActiveSupport::JSON::Encoding::CircularReferenceError" "object references itself" at line 3. This code represents the /layouts/maps.html.erb file <% if @maps -%> <script type="text/javascript"> var maps = <%= @maps.to_json %>; </script> <% end -%> This is my first attempt at rendering JSON, and I don't know how to debug this problem. Do you have experience with this? What could cause this problem? Thank you in advance!

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  • Rails, How can I combine multiple model attributes to create a unique permalink using permalink_fu?

    - by Ranknoodle
    Can Permalink_fu combine 2 or more model attributes to create a unique permalink? Let's say I have a Business Model, this model contains :name, :address, :phone, :city, :state, :country etc. attributes. Right now I have permalink set up in this model only for :name has_permalink :name So I would get "/biz/name". However I would like to combine the Business name, city, and a incremental number if there are more than 1 location in the city for that business. For example I would like to use: "/biz/joes-coffee-shack-chicago" for the permalink or if a multple location business "/biz/starbucks-chicago-92" Is this possible with the current permalink_fu plugin or some fork of permalink_fu? Or will this require some modification to the permalink_fu plugin?

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  • IRB and large variables?

    - by tesmar
    How can I print a large variable nicely in an irb prompt? I have a variable that contains many variables which are long and the printout becomes a mess to wade through. What if I just want the variable names without their values? Or, can I print each one on a separate line, tabbed-in depending on depth?

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  • Rails - How do i update a records value in a join model ?

    - by ChrisWesAllen
    I have a join model in a HABTM relationship with a through association (details below). I 'm trying to find a record....find the value of that records attribute...change the value and update the record but am having a hard time doing it. The model setup is this User.rb has_many :choices has_many :interests, :through => :choices Interest.rb has_many :choices has_many :users, :through => :choices Choice.rb belongs_to :user belongs_to :interest and Choice has the user_id, interest_id, score as fields. And I find the ?object? like so @choice = Choice.where(:user_id => @user.id, :interest_id => interest.id) So the model Choice has an attribute called :score. How do I find the value of the score column....and +1/-1 it and then resave? I tried @choice.score = @choice.score + 1 @choice.update_attributes(params[:choice]) flash[:notice] = "Successfully updated choices value." but I get "undefined method score"......What did i miss?

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  • Problem accessing variable in a nested form partial

    - by brad
    I have a nested form in a rails view that is called like this <% f.fields_for :invoice_item_numbers do |item_no_form| %> <%= render 'invoice_item_number', :f => item_no_form %> <% end %> and the partial (_invoice_item_number.html.erb) looks like this <div class='invoice_item_numbers'> <% if f.object.new_record? %> <li><%= f.label :item_number %><%= f.text_field :item_number %> <%= link_to_function "remove", "$(this).parent().remove()", :class => 'remove_link' %></li> <% else %> <li class="inline"><%= f.label :item_number %><%= f.text_field :item_number %> </li><li class="inline"><%= f.label :description %><%= invoice_item_number.description %></li><li><%= f.label :amount %><%= f.text_field :amount %> <%= f.check_box '_destroy', :class => 'remove_checkbox' %> <%= f.label '_destroy', 'remove', :class => 'remove_label' %></li> <% end %> </div> This fails with the error message undefined method `description' for nil:NilClass Why does invoice_item_number return a nil object in this partial? It is obviously being defined somehow because if I change it to something else (e.g. item_number.description then the error message becomes undefined local variable or methoditem_number' for #instead. The invoice_item_number object that is being displayed by this partial is being used perfectly well by the form helpers as<%= f.text_field :item_number %and<% f.text_field :amount %both work perfectly well. I have tried a number of solutions such as using@invoice_item_number` and explicitly defining an object in the render method but these have not worked. Presumably there is a very simple answer to this.

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  • Rails 3.o MYSQL connection problem

    - by palani
    Hi I have installed RVM in my ubunut linux box and configured the Rails 3 app in that ... i can able to start app server... my problem is when i invoke http://localhost:3000 . i getting the follwing error Mysql::Error (Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)): I checked mysqld service is running well. I checked my database.yml file .... the defined well development: adapter: mysql encoding: utf8 reconnect: false database: test_development username: root password: admin socket: /var/run/mysqld/mysqld.sock my installed mysql gem version is 2.8.1.... I really don't know what is the problem here....

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  • migrating from Prototype to jQuery in Rails, having trouble with duplicate get request

    - by aressidi
    I'm in the process of migrating from Prototype to jQuery and moving all JS outside of the view files. All is going fairly well with one exception. Here's what I'm trying to do, and the problem I'm having. I have a diary where users can update records in-line in the page like so: user clicks 'edit' link to edit an entry in the diary a get request is performed via jQuery and an edit form is displayed allowing the user to modify the record user updates the record, the form disappears and the updated record is shown in place of the form All of that works so far. The problem arises when: user updates a record user clicks 'edit' to update another record in this case, the edit form is shown twice! In firebug I get a status code 200 when the form shows, and then moments later, another edit form shows again with a status code of 304 I only want the form to show once, not twice. The form shows twice only after I update a record, otherwise everything works fine. Here's the code, any ideas? I think this might have to do with the fact that in food_item_update.js I call the editDiaryEntry() after a record is updated, but if I don't call that function and try and update the record after it's been modified, then it just spits up the .js.erb response on the screen. That's also why I have the editDiaryEntry() in the add_food.js.erb file. Any help would be greatly appreciated. diary.js jQuery(document).ready(function() { postFoodEntry(); editDiaryEntry(); initDatePicker(); }); function postFoodEntry() { jQuery('form#add_entry').submit(function(e) { e.preventDefault(); jQuery.post(this.action, jQuery(this).serialize(), null, "script"); // return this }); } function editDiaryEntry() { jQuery('.edit_link').click(function(e) { e.preventDefault(); // This should look to see if one version of this is open... if (jQuery('#edit_container_' + this.id).length == 0 ) { jQuery.get('/diary/entry/edit', {id: this.id}, null, "script"); } }); } function closeEdit () { jQuery('.close_edit').click(function(e) { e.preventDefault(); jQuery('.entry_edit_container').remove(); jQuery("#entry_" + this.id).show(); }); } function updateDiaryEntry() { jQuery('.edit_entry_form').submit(function(e) { e.preventDefault(); jQuery.post(this.action, $(this).serialize(), null, "script"); }); } function initDatePicker() { jQuery("#date, #edit_date").datepicker(); }; add_food.js.erb jQuery("#entry_alert").show(); jQuery('#add_entry')[ 0 ].reset(); jQuery('#diary_entries').html("<%= escape_javascript(render :partial => 'members/diary/diary_entries', :object => @diary, :locals => {:record_counter => 0, :date_header => 0, :edit_mode => @diary_edit}, :layout => false ) %>"); jQuery('#entry_alert').html("<%= escape_javascript(render :partial => 'members/diary/entry_alert', :locals => {:type => @type, :message => @alert_message}) %>"); jQuery('#entry_alert').show(); setTimeout(function() { jQuery('#entry_alert').fadeOut('slow'); }, 5000); editDiaryEntry(); food_item_edit.js.erb jQuery("#entry_<%= @entry.id %>").hide(); jQuery("#entry_<%= @entry.id %>").after("<%= escape_javascript(render :partial => 'members/diary/food_item_edit', :locals => {:user_food_profile => @entry}) %>"); closeEdit(); updateDiaryEntry(); initDatePicker(); food_item_update.js jQuery("#entry_<%= @entry.id %>").replaceWith("<%= escape_javascript(render :partial => 'members/diary/food_item', :locals => {:entry => @entry, :total_calories => 0}) %>"); jQuery('.entry_edit_container').remove(); editDiaryEntry();

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