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  • post-install hook for a particular gem

    - by Henry Flower
    Here is what I've googled: http://www.mail-archive.com/[email protected]/msg02168.html Gem.post_install do |installer| puts "!!! #{installer.spec.full_name} INSTALLED !!!" end But where to put this snipped? If I put it in my Rakefile and/or src_of_myproject/lib/rubygems_plugin.rb file, than build the gem, install it--but the expected string is never printed after the installation. I'm totally confused. How to embed the post-install hook into the gem spec? Update: it's getting more interesting. If I put Gem.post_uninstall hook in src_of_myproject/lib/rubygems_plugin.rb--that hook works. Gem.post_uninstall do |uninstaller| puts "!!! #{uninstaller.spec.full_name} UNINSTALLED !!!" end Hm... And wtf is with Gem.post_install?

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  • ActiveModel::MassAssignmentSecurity::Error in CustomersController#create (attr_accessible is set)

    - by megabga
    In my controller, I've got error when create action and try create model [can't mass-assignment], but in my spec, my test of mass-assignment model its pass!?! My Model: class Customer < ActiveRecord::Base attr_accessible :doc, :doc_rg, :name, :birthday, :name_sec, :address, :state_id, :city_id, :district_id, :customer_pj, :is_customer, :segment_id, :activity_id, :person_type, :person_id belongs_to :person , :polymorphic => true, dependent: :destroy has_many :histories has_many :emails def self.search(search) if search conditions = [] conditions << ['name LIKE ?', "%#{search}%"] find(:all, :conditions => conditions) else find(:all) end end end I`ve tired set attr_accessible in controller too, in my randomized way. the Controller: class CustomersController < ApplicationController include ActiveModel::MassAssignmentSecurity attr_accessible :doc, :doc_rg, :name, :birthday, :name_sec, :address, :state_id, :city_id, :district_id, :customer_pj, :is_customer autocomplete :business_segment, :name, :full => true autocomplete :business_activity, :name, :full => true [...] end The test, my passed test describe "accessible attributes" do it "should allow access to basics fields" do expect do @customer.save end.should_not raise_error(ActiveModel::MassAssignmentSecurity::Error) end end The error: ActiveModel::MassAssignmentSecurity::Error in CustomersController#create Can't mass-assign protected attributes: doc, doc_rg, name_sec, address, state_id, city_id, district_id, customer_pj, is_customer https://github.com/megabga/crm 1.9.2p320 Rails 3.2 MacOS pg

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  • is_admin? function in rails? - undefined method Error

    - by Newbie
    Hello! At the moment, I am creating some kind of admin panel/backend for my site. I want to do the following: Only admins (a user has a user_role(integer) -- 1 = admin, 2 = moderator, 3 = user) can see and access a link for the admin panel. So I created an admin_controller. In my admin controller I created a new function called is_admin?: class AdminController < ApplicationController def admin_panel end def is_admin? current_user.user_role == 1 end end my route looks like. map.admin_panel '/admin-panel', :controller => 'admin', :action => 'admin_panel' and in my _sidebar.html.erb (partial in applicaton.html.erb) I created the link: <%= link_to "Admin Panel", :admin_panel unless is_admin? %> Now I get an error called: undefined method `is_admin?' Where is the problem? Please help me solving this problem!

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  • Incorrect error

    - by jspooner
    If you assign an invalid date (like December 39th) to a datetime column ActiveRecord returns a "can't be blank" error when is should probably return an error like "Not a valid date" My question. Is this expected rails behavior, a bug or, something that I could patch? class ExerciseLog < ActiveRecord::Base validates_presence_of :scheduled_datetime end Fire up the console. e = Log.new # lets set a date for Dec 39th which obviously doesn't exist e.scheduled_datetime = "2010-12-39" e.save => false # this is the confusing message since our form did post a valid date e.errors.on(:scheduled_datetime) => "can't be blank" e.scheduled_datetime = "2010-12-30" e.save => true I discovered this issue when I accidentally transposed the month and day values. btw This is in Rails 2.3.5

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  • Rails Load Data into Application every time a New User is Created

    - by looloobs
    Hi I am trying to figure out the "right" way to do this. In my application every time I create a new user I want to have specific data loaded into an associated table. The associated table is a different preset lists. So a User has many lists and those lists have many items. Some of those Items I want to be loaded when the User is created. I really don't know how to go about doing this but I am guessing something like: create User after_create: create Lists (need already existing data for the list names) after_create List then populate Items table with existing data for these Lists. Should I be using seed data for this? Is that alright for production and if so how exactly would I go about doing that. Any guidance or other recommendations are greatly appreciated.

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  • Unable to read values from object returned from ActiveRecord.find

    - by Venki
    I make the following call to the DB. @patientRegistration = PatientRegistration.find(:all, :conditions=["name = '#{patientName}'"]) Search for patient registration based on a given name. I get a valid @patientRegistration object.When I invoke @patientRegistration.inspect it prints correctly all the values for the object in the DB. But when I try to read a particular attribute (Say id or name) by doing the following: @patientRegistration.id or @patientRegistration.name. I get invalid values. Either its blank or some junk values. I dont understand how inspect is able to retrieve all the values correctly but reading individual attributes gives invalid values. Thanks

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  • advance/basic and smartphone views in Rails

    - by aleds
    In a new Rail app I have to consider 2 differents user's type: basic and Advanced and I have to create smartphone views( unique view for both user's type). Then I have 3 view/layout: - web advance - web basic - smartphone I already have the adv/basic flag for the user, and I followed the RBates tutorial http://asciicasts.com/episodes/199-mobile-devices. What is the best way to manage the 3 views/layout ?

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  • RAKE won'tt create xml file

    - by user296507
    hi, i'm a bit lost here as to why my RAKE task will not create the desired XML file, however it works fine when i have the method 'build_xml' in the .RB file. require 'rubygems' require 'nokogiri' require 'open-uri' namespace :xml do desc "xml build test" task :xml_build => :environment do build_xml end end def build_xml #build xml docoument builder = Nokogiri::XML::Builder.new do |xml| xml.root { xml.location { xml.value "test" } } end File.open("test.xml", 'w') {|f| f.write(builder.to_xml) } end

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  • How can I prevent double file uploading with Amazon S3?

    - by Tony
    I decided to use Amazon S3 for document storage for an app I am creating. One issue I run into is while I need to upload the files to S3, I need to create a document object in my app so my users can perform CRUD actions. One solution is to allow for a double upload. A user uploads a document to the server my Rails app lives on. I validate and create the object, then pass it on to S3. One issue with this is progress indicators become more complicated. Using most out-of-the-box plugins would show the client that file has finished uploading because it is on my server, but then there would be a decent delay when the file was going from my server to S3. This also introduces unnecessary bandwidth (at least it does not seem necessary) The other solution I am thinking about is to upload the file directly to S3 with one AJAX request, and when that is successful, make a second AJAX request to store the object in my database. One issue here is that I would have to validate the file after it is uploaded which means I have to run some clean up code in S3 if the validation fails. Both seem equally messy. Does anyone have something more elegant working that they would not mind sharing? I would imagine this is a common situation with "cloud storage" being quite popular today. Maybe I am looking at this wrong.

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  • Setting an instance variable from a block

    - by c00lryguy
    How would I achieve something like below so that when I set the s variable within the block, it also sets the @subject instance variable in my Topic class? class Topic def subject(&blk) blk.call(@subject) if block_given? @subject unless block_given? end end my_topic = Topic.new p my_topic.subject #=> nil my_topic.subject do |s| s = ['one', 'two', 'three'] s.pop p s #=> ['one', 'two'] end p my_topic.subject #=> nil... want it to be ['one, 'two']

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  • Mocha expects method

    - by Masha
    So my situation is: I have a 2 modules that have the same structure like that: module Module1 class Config def fee_rate 2 end end end So, say, Module2 would have class Config with the method fee_rate, just with a different value (those are actually implemented in a rails engine, but it shouldn't matter) and then my model can use either Module1 or Module2 to get the fee rate value like that: def config @config ||= "#{module_name.titleize}::Config".constantize.new @config end def get_value config.get_fee * some_other_value end What I'm trying to test is if get_fee function was called on the correct class: "#{model.module_name.titleize}::Config".constantize.any_instance.expects(:get_fee).at_least_once model.get_value and on the line when I call get_value I get the following error - undefined method `*' for nil:NilClass. I'm completely lost now, so I'd appreciate any help and ideas.

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  • rails db:seed no method error

    - by louddwarf
    when I try and run the "rake db:seed" command the rails console outputs "NoMethodError: undefined method `db' for #" not quite sure what going on. I'm using netbeans to build my rails project which is using the built-in JRuby 1.2 would that have anything to do with it?

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  • Rails application and multilingual content, Model dilemma

    - by dakull
    I'm writing in Rails a website that will be multilingual, for the application translation part i will use the simple I18n gem, for messages and everything related. Yet, all the content must be translated, and we're talking about lots of pages, that will be stored into the database ( like articles, news, etc. ) For now, I'm thinking of two approaches: Lets say i have a Pages table, the content in diff. languages, i will be storing it in a different table called PagesContent that will belong_to Pages and also to a Languages table. The problem here, is that I'll essentially duplicate the no. of tables needed. Pros: flexibility, in the box validation To skip that duplication i can serialize a hash into the content column of Pages, containing the translation. The problem here, is validation, arguably more code to write, and less flexibility when adding a new language. Pros: Less tables. Any other idea ?

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  • pluralize and singularize for spanish language

    - by el_quick
    Hello, sorry for my english... I have a rails application developed to spain, therefore, all content is in spanish, so, I have a search box to search in a mysql database, all rows are in spanish, I'd like to improve my search to allow to users to search keywords in singular or plural form, for example: keyword: patatas found: patata keyword: veces found: vez keyword: vez found: veces keyword: actividades found: actividad In english, this could be relatively easy with help of singularize and pluralize methods ... where `searching_field` like '%singularized_keyword%' or `searching_field` like '%pluralized_keyword%' But, for spanish.... Some help? Thanks!

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  • rails controller defaults to respond with application/xml in production

    - by Dave Paroulek
    I have a standard contacts_controller.rb with index action that responds as follows: respond_to do |format| format.html format.xml { render :xml => @contacts } end In development, it works as intended: when I browse to http://localhost:3000/contacts, I get an html response. But, when I start the app using capistrano on a remote Ubuntu server and browse to the same url, I get an xml response. If I go to http://remote_host:8000/contacts.html, then I see the html response. If I comment out the format.xml { render :xml => @contacts }, then I see the desired html response. Pretty sure I'm missing something subtle about difference between Rails development and production modes. Any ideas about what I'm overlooking? Thanks, - Dave

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  • Authentication in Rails, where to start?

    - by Victor P
    Hello. Im learning Rails by building apps. I want to make my first authenticated app: users signup, login, do some changes in models they have access to and logout. I did the Google search but it is quite confusing: many plugins, many tutorials. Don't know where to start. Is there a state-of-the-art authentication method for Rails? What do you use in Production to authenticate your users? Any help in this will be helpful. Thanks

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  • Is there a variable in Rails that equates to the template that is being rendered?

    - by Sean Ahrens
    I can do request.path_parameters['controller'] and request.path_parameters['action'], but is there anything like request.path_parameters['template'] so I can discern which template file (such as index.html.erb) is being rendered? I'm writing a method that automatically sets the body id to the template being rendered, for easy css manipulation: class ApplicationController < ActionController::Base ... after_filter :define_body_selector ... def define_body_selector # sets @body_id to the name of the template that will be rendered # ie. if users/index.html.erb was just rendered, @body_id gets set to "index" @body_id = ??? end ...

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  • Rails: include index with fields_for form helper

    - by Patrick Oscity
    i'm trying to build two models from one form by using the fields_for method. my code looks like this: <% for scale in @event.scales %> <% f.fields_for "scale[]", scale do |scale_form| %> <p> Scale<br /> <%= scale_form.label :name %> <%= scale_form.text_field :name %> <%= scale_form.label :price %> <%= scale_form.text_field :price %> </p> <% end %> <% end %> but unfortunately the output html is missing the id's of the scales: <p> Scale<br /> <label for="event_scale__name">Name</label> <input id="event_scale__name" name="event[scale][][name]" size="30" type="text" /> <label for="event_scale__price">Price</label> <input id="event_scale__price" name="event[scale][][price]" size="30" type="text" /> </p> ... here's the corresponding controller and model: class EventsController < ApplicationController ... def new @event = Event.new @providers = Provider.find(:all, :order => :name) 3.times { @event.scales.build } respond_to do |format| format.html end end ... end class Event < ActiveRecord::Base has_many :scales ... end what am i doing wrong?

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  • How do I create the Controller for a Single Table Inheritance in Rails?

    - by Angela
    I am setting up the Single Table Inheritance, using ContactEvent as the Model that ContactEmail, ContactLetter, and ContactCall will all inherit. But I'm stumped on how to create the routing and the controller. For example, let's say I want to create a new ContactEvent with type Email. I would like a way to do the following: new_contact_event_path(contact, email) This would take the instance from Contact model and from Email model. Inside, I would imagine the contact_event_controller would need to know... @contact_event.type = (params[:email]) # get the type based on what was passed in? @contact_event.event_id = (params[:email]) #get the id for the correct class, in this case Email.id Just not sure how this works....

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  • How can I abstract out the core functionality of several Rails applications?

    - by hornairs
    I'd like to develop a number of non-trivial Rails applications which all implement a core set of functionality but each have certain particular customizations, extensions, and aesthetic differences. How can I pull the core functionality (models, controllers, helpers, support classes, tests) common to all these systems out in such a way that updating the core will benefit every application based upon it? I've seen Rails Engines but they seem to be too detached, almost too abstracted to be built upon. I can seem them being useful for adding one component to an existing app, for example bolting on a blog engine to your existing e-commerce site. Since engines seem to be mostly self contained, it seems difficult and inconvenient to override their functionality and views while keeping DRY. I've also considered abstracting the code into a gem, but this seems a little odd. Do I make the gem depend on the Rails gems, and the define models & controllers inside it, and then subclass them in my various applications? Or do I define many modules inside the gem that I include in the different spots inside my various applications? How do I test the gem and then test the set of customizations and overridden functionality on top of it? I'm also concerned with how I'll develop the gem and the Rails apps in tandem, can I vendor a git repository of the gem into the app and push from that so I don't have to build a new gem every iteration? Also, are there private gem hosts/can I set my own gem source up? Also, any general suggestions for this kind of undertaking? Abstraction paradigms to adhere to? Required reading? Comments from the wise who have done this before? Thanks!

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