Disable SQL Cache temporary in Rails?
I'm currently creating a Rails app with some cronjobs etc, but I have some problems because the sql is cached by Rails. So anyone know how to disable the SQL Cache in Rails? Not globally, but for this code. Really don't want to create one method for every model, so is there anyway to just disable it temporary? Terw
rails5 の production環境で uninitialized constant error が発生
rails5 の production環境で uninitialized constant errorが発生します。 development環境では、エラーは発生しておらず、原因をお伺いいたしたく、投稿致します。 ◆ コマンド # rails restart # bundle exec rails runner [クラス名].[メソッド名] -e production uninitialized constant Rails::Command::RunnerCommand::[クラス名] ※ 「-e production」を抜いて同コマンドを実行した際は正常終了します。 ※ [クラス名]は、lib配下に配置しています。 ◆ application.rb設定 config.load_defaults 5.1 config.i18n.default_locale = :ja config.au
shared_examplesはrspec3.0から使えない？
rspec2.99でinclude_examplesを使用しています。 spechoge.rb describe 'hoge_type' do before do end include_examples 'toarutesuto' end spec/support/lib/kyouyuu.rb require 'spec_helper' describe "テストを共有" do before do end shared_examples 'toarutesuto' do before do end it'' do end テストを実行すると、以下ワーニングが出ます。 Deprecation Warnings: -------------------------------------------------------------------------------- Accessing
How to verify a user's password in Devise
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What exactly is a gem native extension?
A gem native extension might link to a separate library that needs to be pre-installed, and RMagick is an example of that. However, the term really just means "includes some code that needs to be compiled for your machine". The code is compiled and linked so that the resulting executable file can be required by Ruby on the machine. The usual reasons for writing a Ruby C or C++ extension are: Speed
Using mruby, ngx_mruby and redis - Applying on current production server
I am very afraid of making some modifications on the server. Because the server is working fine with the current settings. I will to explain: The server is an Amazon EC2 instance. In this instance I have: ruby -v: ruby 2.2.2p95 (2015-04-13 revision 50295) [x86_64-linux] rails -v: Rails 4.2.3 nginx -v: nginx/1.8.0 passenger -v: Phusion Passenger version 5.0.10 I have 1 Load Balancer, which has a li
Capistrano deployment problems
When I type cap production deploy I get Capfile locked at 3.1.0, but 3.2.0 is loaded When I uninstall capistrano 3.2.0 I get Could not find capistrano-3.2.0 in any of the sources Run `bundle install` to install missing gems. Me gemfile has gem 'capistrano', '~> 3.1' gem 'capistrano-rails', '~> 1.1' And Capfile require 'capistrano/setup' require 'capistrano/deploy' require 'capistrano/bundler' requ
How to handle 404 not found errors in Nokogiri
I am using Nokogiri to scrape web pages. Few urls need to be guessed and returns 404 not found error when they don't exist. Is there a way to capture this exception? http://yoursite/page/38475 #=> page number 38475 doesn't exist I tried the following which didn't work. url = "http://yoursite/page/38475" doc = Nokogiri::HTML(open(url)) do begin rescue Exception => e puts "Try again later" end end
link_to in helper with block
The return value of the block becomes its content. Only the last line is being returned. You must concatenate the two strings together with + to produce a single return value: link_to("#", class: "add_fields btn btn-success") do name + content_tag(:i, "", class: "icon-plus icon-white") end You'll need to use html_safe to prevent the content of your tag from automatically being HTML encoded: link_t
Rails: Access to current_user from within a model in Ruby on Rails
I need to implement fine-grained access control in a Ruby on Rails app. The permissions for individual users are saved in a database table and I thought that it would be best to let the respective resource (i.e. the instance of a model) decide whether a certain user is allowed to read from or write to it. Making this decision in the controller each time certainly wouldn’t be very DRY. The problem
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