Recent questions tagged ruby

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ruby on rails - What exactly "config.assets.debug" setting does?

I have started development of simple rails application. After several hours work I have notices that somehow the ... when this was true? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ruby on rails - How do I defined a variable link_to to an external URL

On my site a user has a personal profile with a link to his personal external website. The url of the sites I ... m a RoR beginner)? KR, Fabian See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ruby - Is it possible for RSpec to expect change in two tables?

RSpec expect change: it "should increment the count" do expect{Foo.bar}.to change{Counter.count}.by 1 end ... change{AnotherCounter.count}.by 1 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ruby - How do I make HTTParty ignore SSL?

I'm using a local server to test an application, and make requests to that server from my own machine. The test ... I make it ignore the SSL? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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439 views

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ruby on rails - Order products by association count

Class Product has_many :sales end Class Sale belongs_to :product end How do i get the most sold products.. (Product find ... by .. ventas..) ? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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441 views

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ruby - Force browser to download file instead of opening it

I would like to download http://foobar.com/song.mp3 as song.mp3, instead of having Chrome open it in its ... browser. How can I accmplish this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ruby - Rails and class variables

class MainController < ApplicationController @my_var = 123 def index var1 = @my_var end def index2 var2 = @my_var end ... var2 equal to 123? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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528 views

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ruby on rails - Whitelisting with devise

I am using devise to manage user authentication in my rails app. Devise is really great for that. However I ... with devise? Thanks in advance. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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858 views

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ruby on rails - ActiveRecord query with alias'd table names

Using model concerns which include scopes, what is the best way to write these knowing that nested and/or self- ... of queries in the SQL? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ruby on rails - Getting Devise 1.3.4 to send emails with Gmail in development

I'm trying to setup devise 1.3.4 to send emails via gmail while in development mode. I should ... in config/environments/development.rb. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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706 views

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ruby - Grouped Select in Rails

Simple question really - how do I use the select(ActionView::Helpers::FormOptionsHelper) with grouped options? I have ... type, :value => mode See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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428 views

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ruby - How to use a variable as object attribute in rails?

I have a PaymentDetail model with attribute 'home_address_country', so i can use @payment_detail.home_address_country // ... #{country_list}") See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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394 views

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ruby on rails - accepts_nested_attributes_for to link to existing record, not create a new one

I have the following models class Order < AR::Base has_many :products accepts_nested_attributes_for :products end ... preferred over mine. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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605 views

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ruby on rails - Connection pool issue with ActiveRecord objects in rufus-scheduler

I'm using rufus-scheduler to run a number of frequent jobs that do some various tasks with ... Base.clear_active_connections! end end See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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460 views

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ruby - Rails - Local Variables versus Instance Variables

while learning Rails, I keep hearing Local vs Instance but I can't find a definition of the two & the ... and how are they different? Thanks See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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416 views

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ruby on rails - FactoryGirl has_many association with validation

I have a standard has_many relationship (Booking has many Orders) with validation that a Booking does not get saved ... it. Thanks in advance. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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366 views

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ruby on rails - ElasticSearch & Tire: Using Mapping and to_indexed_json

While reading the Tire doc, I was under the impression that you should use either mapping or to_indexed_json ... would create some conflicts. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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594 views

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ruby - How to disable db:schema:dump for migrations

I dont want Rails 3 to generate my schema every time I do migration. How to properly disable it? Thanks See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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468 views

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ruby - Rails — Params with "dot" (e.g. /google.com)

How to force Rails to consider a param with a dot in the value like google.com (e.g. /some_action/google.com) a ... be "id" => "google.com" See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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521 views

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ruby on rails - The compiler failed to generate an executable file. (RuntimeError)

I recently upgraded to OS Mountain Lion. A project I'm working on requires gem sys-proctable as a dependency, but when ... .3-p194': configure: error: C compiler cannot create exec...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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537 views

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ruby - How to enable CORS in Rails 4 App

I'm just about to pull my hair out... I've been trying to enable CORS in this Rails app since the morning ... Control-Max-Age'] = '1728000' end See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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428 views

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ruby on rails - Sendmail vs SMTP

A rails application in production should use smtp or sendmail to send mails? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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433 views

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ruby - Nested forms in rails - accessing attribute in has_many relation

I have a user and a profile model. One user can have many profiles. I need to access only ... or :profiles_phone_number? Thanks. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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498 views

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ruby - How to remove '---' on top of a YAML file?

I am modifying a YAML file in Ruby. After I write back the modified YAML, I see a --- added on top of the file. ... and how do I get rid of it? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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526 views

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ruby - Rails put validation in a module mixin?

Some validations are repetitive in my models: validates :name, :length => { :minimum => 2 }, : ... ' for Validations:Module (NoMethodError) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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615 views

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ruby on rails - How to use OR condition in ActiveRecord query

I want to grab all the users that either have an email as the one supplied or the first and last name. So ... on the 2 separate where clauses. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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380 views

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ruby on rails 3 - Structuring coffeescript code?

Under Rails 3.1, I'm trying to find out how to move a few coffeescript classes away from my controller ... " a coffeescript file into another? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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639 views

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ruby - What does "+=" (plus equals) mean?

I am doing some ruby exercises and it said I need to go back and rewrite the script with += shorthand notations. ... tried to look it up online. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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