Rails 'select' form for Delete method of RESTful resource | Fixed issues

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• Rails 'select' form for Delete method of RESTful resource
• First capistrano deploy does't make any effect
• Creating two-self joins that share the same parent id
• extconf failed, exit code 1 error when installing [Ruby on Rails] 5 on OS X Yosemite 10.10.5
• Rails: which test method to use
• Changing checkbox icon with simple_form
• how to get 3 week date information using specified date [duplicate]
• Does Postgres hav an equivalent of 'mysqldump --where'?
• How select users where with paid is true and paid_subscriptions expirence_at current date?
• x-editable for bootstrap source selection
• rails-jquery-autocomplete source being an array
• Attempting to generate a URL from non-sanitized request parameters
• Rails Error: "\xE4" followed by "l" on UTF-8
• Are these 2 lines of code the same ? JS vs Ruby
• How to retrieve all related objects from a selection in Rails
• How to query for the products belonging to category and sub categories the correct way
• Pry Debugger - ignore library code
• ActiveRecord::Base.connection.execute(sql).each not returning data
• Organising data for a football (soccer) management simulation
• Accessing devise current_user inside another rails engine
• Can a github repo with gems that can't be bundled provide gems that can be bundled?
• TypeError: $.url is not a function
• Formatting to_json method for child object
• RoR rails_admin associate two models with drop-down to display options
• TypeError: f.browser is undefined fancybox
• Hash Table Column Values as Integer
• Find records with no has_many :through record matching criteria
• fetch different keys with different attributes(params)
• wysihtml5: font size is not overriding earlier font sizes
• Login to facebook with status unknown (rails app)

Rails 'select' form for Delete method of RESTful resource Posted: 11 Jul 2016 08:40 AM PDT This seems like it should be a simple thing, but I haven't been able to hunt down an illustrative example. Apologies if this question is redundant. So I have a rails app, and I'm trying to work with a RESTful resource. This is what the route looks like: config/routes.rb resources :articles, only: [:index, :create, :destroy] I want a simple form to delete these in case extras are added or whatever. So here are the form and controller I have so far: app/views/articles/_delete.html.haml %h1 Delete Article - all_articles = Article.all.sort.reverse.map { |a| [a.name, a.id] } = form_for @article, method: :delete do |f| .form-group = f.select :id, options_for_select(all_articles), class: 'form-control' = f.submit 'Delete', class: 'btn btn-danger' When I submit this, I get 'No route matches [DELETE] "/articles"'. This is because the route for deletion is articles/:id : DELETE /articles/:id(.:format) articles#destroy So my goal is to get the submit button to grab the id, and send off to /articles/:id with the Delete method. If it helps, I'm on Rails 4.1. I think the real pain point for me here though is not fully understanding how the form helper points to an action or passes data around. If anyone can elucidate I'd be appreciative. I see that I can define a url on the form_for method, like so: = form_for @article, method: :delete, url: articles_path do |f| But how can I get the id from the form into that url?

First capistrano deploy does't make any effect Posted: 11 Jul 2016 08:28 AM PDT how is it going? I have a Rails 4 app and I'm trying to deploy it with capistrano 3 on my server. I already installed with bundle install and cap install, generating the files. I already added my info com deploy.rb file and when I run the command for the first deploy, it doesn't print the log on my console and do any effect. usuario$ cap production deploy usuario$ I ran this command with the --trace to see more details: usuario$ cap production deploy --trace ** Invoke production (first_time) ** Execute production ** Invoke load:defaults (first_time) ** Execute load:defaults ** Invoke rvm:hook (first_time) ** Invoke passenger:rvm:hook (first_time) ** Invoke passenger:test_which_passenger (first_time) ** Execute passenger:test_which_passenger ** Execute passenger:rvm:hook ** Execute rvm:hook ** Invoke rvm:check (first_time) ** Execute rvm:check ** Invoke bundler:map_bins (first_time) ** Invoke passenger:bundler:hook (first_time) ** Execute passenger:bundler:hook ** Execute bundler:map_bins ** Invoke deploy:set_rails_env (first_time) ** Execute deploy:set_rails_env ** Invoke deploy:set_linked_dirs (first_time) ** Execute deploy:set_linked_dirs ** Invoke deploy:set_rails_env ** Invoke deploy (first_time) ** Execute deploy ** Invoke deploy:starting (first_time) ** Execute deploy:starting ** Invoke deploy:check (first_time) ** Execute deploy:check ** Invoke git:check (first_time) ** Invoke git:wrapper (first_time) ** Execute git:wrapper ** Execute git:check ** Invoke deploy:check:directories (first_time) ** Execute deploy:check:directories ** Invoke deploy:check:linked_dirs (first_time) ** Execute deploy:check:linked_dirs ** Invoke deploy:check:make_linked_dirs (first_time) ** Execute deploy:check:make_linked_dirs ** Invoke deploy:check:linked_files (first_time) ** Execute deploy:check:linked_files ** Invoke deploy:set_previous_revision (first_time) ** Execute deploy:set_previous_revision ** Invoke deploy:started (first_time) ** Execute deploy:started ** Invoke deploy:updating (first_time) ** Invoke deploy:new_release_path (first_time) ** Execute deploy:new_release_path ** Execute deploy:updating ** Invoke git:create_release (first_time) ** Invoke git:update (first_time) ** Invoke git:clone (first_time) ** Invoke git:wrapper ** Execute git:clone ** Execute git:update ** Execute git:create_release ** Invoke deploy:set_current_revision (first_time) ** Execute deploy:set_current_revision ** Invoke git:set_current_revision (first_time) ** Execute git:set_current_revision ** Invoke deploy:symlink:shared (first_time) ** Execute deploy:symlink:shared ** Invoke deploy:symlink:linked_files (first_time) ** Execute deploy:symlink:linked_files ** Invoke deploy:symlink:linked_dirs (first_time) ** Execute deploy:symlink:linked_dirs ** Invoke deploy:updated (first_time) ** Invoke bundler:install (first_time) ** Execute bundler:install ** Execute deploy:updated ** Invoke deploy:compile_assets (first_time) ** Invoke deploy:set_rails_env ** Execute deploy:compile_assets ** Invoke deploy:assets:precompile (first_time) ** Execute deploy:assets:precompile ** Invoke deploy:assets:backup_manifest (first_time) ** Execute deploy:assets:backup_manifest ** Invoke deploy:cleanup_assets (first_time) ** Invoke deploy:set_rails_env ** Execute deploy:cleanup_assets ** Invoke deploy:normalize_assets (first_time) ** Invoke deploy:set_rails_env ** Execute deploy:normalize_assets ** Invoke deploy:migrate (first_time) ** Invoke deploy:set_rails_env ** Execute deploy:migrate ** Invoke deploy:publishing (first_time) ** Execute deploy:publishing ** Invoke deploy:symlink:release (first_time) ** Execute deploy:symlink:release ** Invoke deploy:restart (first_time) ** Execute deploy:restart ** Invoke passenger:restart (first_time) ** Execute passenger:restart ** Invoke deploy:published (first_time) ** Execute deploy:published ** Invoke deploy:finishing (first_time) ** Execute deploy:finishing ** Invoke deploy:cleanup (first_time) ** Execute deploy:cleanup ** Invoke deploy:finished (first_time) ** Execute deploy:finished ** Invoke deploy:log_revision (first_time) ** Execute deploy:log_revision usuario$ ...and anything was created on the server (current and release folder). Any ideas what I'm doing wrong? I appreciate any clue. EDIT That is my deploy.rb # config valid only for current version of Capistrano lock '3.5.0' set :application, 'my_app_name' set :repo_url, 'my_user@my_server_ip:/my_path_to/app_repo.git' set :deploy_to, "/var/www/my_app_name" set :default_stage, "production" set :linked_files, fetch(:linked_files, []).push('config/database.yml') set :linked_dirs, fetch(:linked_dirs, []).push('log', 'tmp/pids', 'tmp/cache', 'tmp/sockets', 'vendor/bundle', 'public/system', 'public/uploads') set :keep_releases, 3 set :default_env, { rvm_bin_path: '~/.rvm/bin' }

Creating two-self joins that share the same parent id Posted: 11 Jul 2016 07:32 AM PDT I've setup two self-joins for my Album model. The first is for album singles. The second is for editions that an album may have (Deluxe Edition, Japanese Edition, etc). Both singles and editions share the exact attributes/associations (name, release date, tracks) which is why I chose to use self-joins vs. creating separate models. For these two self-joins I've created one foreign key, parent_album, since a single and/or edition essentially derives from that one album. I was wondering if it were possible to have self-joins share the same foreign key, parent_album_id or do I need to create one for each? Currently if I were to assign a single/edition to an album they would fall in to either collection. class Album < ApplicationRecord has_many :singles, class_name: "Album", foreign_key: "parent_album_id" belongs_to :parent_album, class_name: "Album", optional: true has_many :editions, class_name: "Album", foreign_key: "parent_album_id" belongs_to :parent_album, class_name: "Album", optional: true end

extconf failed, exit code 1 error when installing [Ruby on Rails] 5 on OS X Yosemite 10.10.5 Posted: 11 Jul 2016 08:30 AM PDT I'm trying to install Ruby on Rails v5 on OS X Yosemite 10.10.5, following the instructions on the rails site: http://railsapps.github.io/installrubyonrails-mac.html When I run this: sudo gem install rails --version 5.0.0 --no-ri --no-rdoc I get the error ERROR: Failed to build gem native extension. Here are parts of the output on my command line that might be useful: current directory: /Users/me/.rvm/rubies/ruby-2.3.0/lib/ruby/gems/2.3.0/gems/nokogiri-1.6.8/ext/nokogiri [...] Running 'compile' for libxml2 2.9.4... ERROR, review '/Users/me/.rvm/rubies/ruby-2.3.0/lib/ruby/gems/2.3.0/gems/nokogiri-1.6.8/ext/nokogiri/tmp/x86_64-apple-da rwin14.5.0/ports/libxml2/2.9.4/compile.log' to see what happened. Last lines are: [...] 1 error generated. make[2]: *** [xmlIO.lo] Error 1 make[1]: *** [all-recursive] Error 1 make: *** [all] Error 2 ======================================================================== *** extconf.rb failed *** Could not create Makefile due to some reason, probably lack of necessary libraries and/or headers. Check the mkmf.log file for more details. You may need configuration options. [...] To see why this extension failed to compile, please check the mkmf.log which can be found here: /Users/me/.rvm/rubies/ruby-2.3.0/lib/ruby/gems/2.3.0/extensions/x86_64-darwin-14/2.3.0/nokogiri-1.6.8/mkmf.log extconf failed, exit code 1 And here's part of the mkmf.log file: "gcc -o conftest -I/Users/me/.rvm/rubies/ruby-2.3.0/include/ruby-2.3.0/x86_64-darwin14 -I/Users/me/.rvm/rubies/ruby-2.3.0/include/ruby-2.3.0/ruby/backward -I/Users/me/.rvm/rubies/ruby-2.3.0/include/ruby-2.3.0 -I. -I/usr/local/opt/libyaml/include -I/usr/local/opt/readline/include -I/usr/local/opt/libksba/include -I/usr/local/opt/openssl/include -D_XOPEN_SOURCE -D_DARWIN_C_SOURCE -D_DARWIN_UNLIMITED_SELECT -D_REENTRANT -O3 -fno-fast-math -ggdb3 -Wall -Wextra -Wno-unused-parameter -Wno-parentheses -Wno-long-long -Wno-missing-field-initializers -Wunused-variable -Wpointer-arith -Wwrite-strings -Wdeclaration-after-statement -Wshorten-64-to-32 -Wimplicit-function-declaration -Wdivision-by-zero -Wdeprecated-declarations -Wextra-tokens -fno-common -pipe conftest.c -L. -L/Users/thanos/.rvm/rubies/ruby-2.3.0/lib -L/usr/local/opt/libyaml/lib -L/usr/local/opt/readline/lib -L/usr/local/opt/libksba/lib -L/usr/local/opt/openssl/lib -L. -fstack-protector -L/usr/local/lib -L/usr/local/opt/libyaml/lib -L/usr/local/opt/readline/lib -L/usr/local/opt/libksba/lib -L/usr/local/opt/openssl/lib -lruby.2.3.0 -lpthread -ldl -lobjc " /Users/me/.rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/mkmf.rb:395: warning: Insecure world writable dir /usr/local/bin in PATH, mode 040777 checked program was: /* begin */ 1: #include "ruby.h" 2: 3: int main(int argc, char **argv) 4: { 5: return 0; 6: } /* end */ I have no idea what is going on :(. Can someone help? RUBY VERSION: 2.3.0p0. RUBYGEMS VERSION: 2.5.1 xcode-select is successfully installed. Thanks!

Rails: which test method to use Posted: 11 Jul 2016 07:52 AM PDT I want to write some tests for my current project. These tests will be mostly related to saved data in the database. For example: If a user registered 7 years ago, provide him gold badge (a boolean field set to true) If registered 3 years ago then bronze badge etc. Well, the calculations are bit more complicated before the boolean field is set to true. There are about 30-40 test cases that I need to test which are very similar to the above two examples. I did some reading about Rails testing but I could not figure out the exact difference between integration, unit and functional testing in Rails. In my case which testing method will be appropriate?

Changing checkbox icon with simple_form Posted: 11 Jul 2016 08:37 AM PDT I'm new at rails and web apps and I would appreciate if someone could help with this. Using simple_form and trying to change checkbox icon image but css(scss) seems not working. Codes are below. <div class="col-md-6"> <%= f.input :is_something, as: :boolean, input_html: { class: 'custom-check-box' } %> </div> And SCSS is .custom-check-box { opacity: 0; vertical-align: middle; input[type=checkbox] + label:after { opacity: 1; display: inline-block; background: image-url('check_box_off.png'); background-repeat: no-repeat; vertical-align: middle; background-size: 50%; cursor: pointer; &:checked + label:after { opacity: 1; display: inline-block; background-size: 50%; background: image-url('check_box_on.png'); background-repeat: no-repeat; vertical-align: middle; cursor: pointer; } } }

how to get 3 week date information using specified date [duplicate] Posted: 11 Jul 2016 07:04 AM PDT This question already has an answer here: Is there an add_days in ruby datetime? 5 answers i am using static day like monday,Tueday,friday and friday. how to get 3 week date after 3 week date..select specified day get 3 week date information. like select monday then get 11/07 , 18/07, 25/07

Does Postgres hav an equivalent of 'mysqldump --where'? Posted: 11 Jul 2016 08:10 AM PDT I'm working on a Rails project which uses the multi-tenanting gem Milia. Milia uses row-based tenanting, meaning that every row in the database has a column named tenant_id which determines who this data belongs to. We use Heroku and Postgresql. The database as a whole is very large, and while there are times when I want the full production dump, much more often I would rather have only data for one tenant. So then I'd like to dump the whole db, but only rows where tenant_id=x. mysqldump has a where condition, but I can't find an equivalent for Postgresql. for example, if my database is like this: Table Members tenant_id, id, name, sex 1, 1, joe, m 1, 2, sally, f 2, 3, bob, m Table Jobs tenant_id, id 1, 1 1, 2 2, 3 and I want to dump all the tables where tenant_id is 1, I would expect to get back a dump containing the following: Table Members tenant_id, id, name, sex 1, 1, joe, m 1, 2, sally, f Table Jobs tenant_id, id 1, 1 1, 2

How select users where with paid is true and paid_subscriptions expirence_at current date? Posted: 11 Jul 2016 07:44 AM PDT I have model User has_many: paid_subscriptions model PaidSubscription belongs_to :user How me write active record query for select all users, where paid is true and paid_subscriptions expirence_at < current day? EDIT: User.includes(:paid_subscriptions).where("YEAR(created_at) = ? AND active = ?", 2011, true).where('paid_subscriptions.expirence_at < ?', Date.today)

x-editable for bootstrap source selection Posted: 11 Jul 2016 06:57 AM PDT I have the following x-editable code working: <td> <a href="#" class="xeditable" data-type="select" data-pk="1" data-emptytext="Assign" data-placement="right" data-resource="workorder" data-source="/employees.json?workgroup=<%= workorder.workgroup.id %>" data-name="employee_id" data-url="/workorders/<%= workorder.id %> " data-original-title="Select Employee"> <% if workorder.employee_id != nil %> <%= workorder.employee.try(:employee_full_name) %> <% end %> </a> </td> I want to add ?archive=false to the data-source. This didn't work: data-source="/employees.json?archive=false?workgroup=<%= workorder.workgroup.id %>" How can I code this?

rails-jquery-autocomplete source being an array Posted: 11 Jul 2016 08:15 AM PDT I want to use rails jquery autocomplete but my source is a dynamic array from a field in my model. The documentation https://github.com/bigtunacan/rails-jquery-autocomplete only talks about the source being separate model instances. Is there a way to make it use an array and look at each array item as a separate object when querying the source? autocomplete array = ["UBER US JUL01", "Transfer From PAYMENT/TRANSFER 010985 BA", "FANTASY SAIL & SIGN", "Fandango", "ANGEL'S RESTAURANT", "JEWEL"]

Attempting to generate a URL from non-sanitized request parameters Posted: 11 Jul 2016 06:23 AM PDT I am getting this error when i try to use the code below, link_to params.merge(:sort => column, :direction => direction, :page => nil) do "#{title} #{content_tag(:i, "", class: "fa fa-chevron-#{direction == 'asc' ? 'up': 'down'}") }".html_safe end specifically seems to happen when i add params.merge there. What is the real cause and what should i do? full error message Attempting to generate a URL from non-sanitized request parameters! An attacker can inject malicious data into the generated URL, such as changing the host. Whitelist and sanitize passed parameters to be secure. using Rails version 5.

Rails Error: "\xE4" followed by "l" on UTF-8 Posted: 11 Jul 2016 06:43 AM PDT When I load css or js files on rails 4.2.6 with the link tags javascript_include_tag and stylesheet_link_tag I get the error: Encoding::InvalidByteSequenceError at /app "\xE4" followed by "l" on UTF-8 I never saw this error before. And when I load these same files with the html script like: <script src="/assets/app/functions.js"></script> Then it works. my app/assets/javascripts/application.js is: //= require jquery //= require jquery_ujs //= require turbolink__s EDITED //= require__tree . EDITED Someone had this problem before? Thanks!

Are these 2 lines of code the same ? JS vs Ruby Posted: 11 Jul 2016 05:51 AM PDT In ruby: -> { 10.times {|i| puts i} }.call Javascript: (function (){ for (i = 0; i<10; i++){ console.log(i); } })() Im coming from a JS background and something peaked my interest when learning about lambdas and Procs where it says that those are function without names which are called. That reminded me of the anonymous functions or IIFE in javascript. Are these 2 examples the same? if not what is the difference ?

How to retrieve all related objects from a selection in Rails Posted: 11 Jul 2016 08:34 AM PDT In a Rails app I have two models which are related via has_many and belongs_to associations: class Entity < ActiveRecord::Base has_many :applicants end class Applicant < ActiveRecord::Base belongs_to :entity end Given a collection of Entity objects, how can I retrieve all of the related Applicant objects? This works, but is very slow given a large selection: # select some entities (in my app I'm using SearchKick to run the search) entities = Entity.search params[:query] # retrieve the applicants related to the selected entities applicants = [] entities.each do |entity| applicants += entity.applicants end Is there a Rails short-hand to retrieve the Applicants related to the selected Entities? Other things I've tried: entities.class => Entity::ActiveRecord_Relation entities.applicants => #error entities.applicant_ids => #error

How to query for the products belonging to category and sub categories the correct way Posted: 11 Jul 2016 06:32 AM PDT Categories and Sub categories are independent models. And each category will have all the sub categories. While creating a product, the admin has to select a category and the sub category. Following are the models I have come up with class Product < ActiveRecord::Base belongs_to :category end class Category < ActiveRecord::Base has_many :products end class Sub < ActiveRecord::Base has_many :products end Here is the schema for the products create_table "products", force: :cascade do |t| t.string "name" t.integer "price" t.integer "category_id" t.integer "sub_id" end The product is created with something like this Product.create(name: "Messi magnet custom",category_id: 1, sub_id: 2) And I am querying all the products that belong to a particular category and sub category like this Product.where("category_id = ? AND sub_id = ?",9,3) Is there any thing wrong with the associations I am having? And anything I could do improve this?

Pry Debugger - ignore library code Posted: 11 Jul 2016 05:44 AM PDT is there an option to ignore standard rails libraries when using step into command in pry ruby debugger? There is a lot of code in ActiveRecord/Rails that makes debugging almost impossible to run efficiently.

ActiveRecord::Base.connection.execute(sql).each not returning data Posted: 11 Jul 2016 05:50 AM PDT As part of an API application I am working on there is authentication required to make calls. I am attempting the most basic call with a curl command including the header basic authentication. In the authenticate block, which is called when a user attempts to access any secure calls, there is the following code: unless credential = cache.fetch("credential::#{auth.credentials[0]}:#{Digest::MD5.hexdigest(auth.credentials[1])}") sql = "SELECT * FROM credentials WHERE username = '#{auth.credentials[0]}' AND passwd_hashed = '#{Digest::MD5.hexdigest(auth.credentials[1])}'" ActiveRecord::Base.connection.execute(sql).each do |row| credential = row end end For some reason this is not returning any results. I have taken the sql outputted from this block and ran it in postgres where it returns the desired row. I have tested my environment to make sure I am connecting to the correct database which I am. Beyond that I am not sure what the problem is or how to diagnose it. Any help would be appreciated. Any suggestions as to how I could return an error from this block would also help greatly. Tried adding exception handling but cant seem to get the syntax correct.

Organising data for a football (soccer) management simulation Posted: 11 Jul 2016 05:49 AM PDT I'm trying to create an online football (soccer) management game with Ruby on Rails, and as it's quite ambitious for me I'm finding some parts fairly challenging. I've coded a basic match engine, but when it comes to tactics, lineups, formations, etc. I'm finding it more difficult to organise the various data and create relations in ActiveRecord. The same applies to league and cup systems. I'll try to provide a brief overview here: a nation/club has a first team and a youth/u21 team a nation/club/team has players a nation/club/team has matches against others in league and cup systems a league system has three leagues in each division (pyramid system: 1 promoted, 3 relegated) a cup system has knockout matches (and occasionally mini-league group stages) including extra time and penalty shootouts a league/cup has rounds/match days for each season a round/match day has matches a match has details e.g. scores/ratings a match has actions e.g. goal/assist a match has tactics/lineups for each team e.g. formation/players Any ideas how best to organise this in models?

Accessing devise current_user inside another rails engine Posted: 11 Jul 2016 05:23 AM PDT So here is my issue. I have a main application which has devise in it,for which I am creating an engine. In the engine I need the current_user from main app. Not sure how I will get that, I tried this link but to no avail. Any help would be great. If this is not recommended please do explain why.

Can a github repo with gems that can't be bundled provide gems that can be bundled? Posted: 11 Jul 2016 05:14 AM PDT I have a Rails project where a private repository is used to provide several gems, as the bundler docs describe i.e. I have a block like git 'https://github.com/someguy/private.git' do gem 'a_nice_gem' gem 'a_silly_gem' gem 'a_much_needed_gem' end in my Gemfile. The repository, private.git, contains a gem bad_gem with an incorrectly formatted .gemspec, for instance, or bad dependencies. Bundling the project errors out, despite bad_gem not being a dependency. Is there some way to make bundling my Rails app succeed without fixing bad_gem?

TypeError: $.url is not a function Posted: 11 Jul 2016 05:09 AM PDT I am having a javascript file named _report_js.html.erb file under app/views/reports. WHen I run my application, I am getting the error: TypeError: $.url is not a function This is my code: <script type="text/javascript"> if($.url().param('ig') == 'true') { alert("hi"); $('#icons').hide(); $('#photos').show(); end </script>

Formatting to_json method for child object Posted: 11 Jul 2016 05:29 AM PDT I have a Rails object Product: { id: 1 name: 'soup' } And a Customer object: { id: 20 name: 'Ryans' } They are linked via: class Product < ActiveRecord::Base belongs_to :customer When I call Product.to_json(methods: [:customer]), I get: { id: 1 name: 'soup', customer: { id: 20 name: 'Ryans' } } But I need this to be in the format: { id: 1 name: 'soup', customer_name: 'Ryans' } Is this possible? I'm using Rails v4.1.7

RoR rails_admin associate two models with drop-down to display options Posted: 11 Jul 2016 05:00 AM PDT sorry for my bad english. I have two models "Blog, Categories", I want a blog has many categories, but it don't working, don't display in the form. My files: rails_admin.rb RailsAdmin.config do |config| config.model Blog do edit do field :title field :body, :ck_editor field :image do thumb_method :large end field :categories field :author, :hidden do default_value do bindings[:view].current_user.username end end end end #config base#config for config.actions do dashboard # mandatory index # mandatory new export bulk_delete show edit delete show_in_app end end Blog.rb class Blog < ActiveRecord::Base has_many :categories, :as => :cat, :inverse_of => :cat rails_admin do field :categories end has_attached_file :image validates_attachment_content_type :image, content_type: /\Aimage\/.*\Z/ end Categorie.rb class Categorie < ActiveRecord::Base belongs_to :cat, :polymorphic => true, :inverse_of => :categories end I am newbie in RoR, please help, and thanks C:

TypeError: f.browser is undefined fancybox Posted: 11 Jul 2016 06:07 AM PDT I am facing error in my app/assets/javascripts/jquery/jquery.fancybox.pack.js file at this line: 5: (f.browser.msie?' allowtransparency="true"':"")+"></iframe>",error:'<p class="fancybox-error">The requested content cannot be loaded.<br/> At top of this file the version is mentioned as: /*! fancyBox v2.1.0 fancyapps.com | fancyapps.com/fancybox/#license */ I am using jquery-rails-3.1.4 and jquery-ui-rails-5.0.5 versions. Please help how can I get out of this error.

Hash Table Column Values as Integer Posted: 11 Jul 2016 05:22 AM PDT I have followed this tutorial to have a hash column on my model which works great. When I work out codes in the rails console, it becomes different within my controller code. In the console: Foo.update_attributes(bar: {"a" => 1, "b" => 2}) My values are shown as an integer, in the console. In my controller, if I'm doing calculations, I have to add .to_i or .to_f and it becomes messy. My values will forever be a number. Can I simple add an int or float for the column? add_column :foos, :bar, :hstore, :integer, default: {}, null: false The above does not work.

Find records with no has_many :through record matching criteria Posted: 11 Jul 2016 06:06 AM PDT Using Rails 4, and given the following models: class Draft < ActiveRecord::Base has_many :drafters has_many :users, through: :drafters end class Drafter < ActiveRecord::Base belongs_to :draft belongs_to :user end class User < ActiveRecord::Base has_many :drafters has_many :drafts, through: :drafters end How can I retrieve all Drafts which are not associated with the User instance current_user? That is, all Drafts d for which there is no Drafter belonging to d and current_user. I have Squeel available if it helps.

fetch different keys with different attributes(params) Posted: 11 Jul 2016 04:40 AM PDT def appliance_params params.require(:tv).permit(:x, y:, :z) end In this example I receive a key 'tv' and the values x, y, and z. How can I modify this function to receive different keys ? This function can receive different appliances, I can receive a :iron, a :computer etc... with different values. I will only receive one appliance in params.

wysihtml5: font size is not overriding earlier font sizes Posted: 11 Jul 2016 04:36 AM PDT I have written a small web-app where you can edit documents via the wysihtml5 Editor, like on this site: http://wysihtml.com. after a few problems, quite everything worked fine, but now i recognized that when i change the font-size to 20 and put it back to 14 it still stays on font size 20 and both html-tags are used. Like this: <span class="wysiwyg-font-size-20 wysiwyg-font-size-16">used font-size 20 at first, after i used 16, still stays on 20.</span> and it looks just a bit bigger than this: used font-size 20 at first, after i used 16, still stays on 20. Anyone a clue what it could be? greetings

Login to facebook with status unknown (rails app) Posted: 11 Jul 2016 04:37 AM PDT view - "facebook_btn_login" fb_log_man(); javascript - fb_log_man() console.log("fb_log_man"); FB.login(function(response){console.log("FB.LOGIN"); console.log(JSON.stringify(response));}); checkLoginState(); javascript - checkLoginState() function checkLoginState() { var fb_params = { status: "", name: "" }; FB.getLoginStatus(function(response) { fb_params["status"] = statusChangeCallback(response); }); if(fb_params["status"] == "connected") { FB.api('/me', function(response) { fb_params["name"] = response.name; console.log(fb_params["name"]); console.log(JSON.stringify(response)); }); } console.log(fb_params); renderLogin(fb_params); } function renderLogin(fb_params) { $.ajax({ type: "POST", url: "/facebook_login", data: {fb_params}, success:function(data) { console.log("SUCCESS POST"); console.log(data); globalEval(data); }, error:function(data) { console.log("ERROR POST:"); console.log(data); globalEval(data); }, dataType: "html" }); console.log("AFTER POST"); } When run application the status was "not_authorized" , then I successfully logged, then logged out and the status becomes "unknown". I can't log in with this status. How to log in again?

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