...we're using building some of our sites using static site generators instead of Rails. You should talk about: Ease of development Security issues and maintenance costs Read through the...
What can't it do? What parts do you know from Rails? Practice Checkout the repo for the makandra blog Start the preview server Make some changes...
view_context.helper_method('args') Rails 2 ApplicationController.helpers.helper_method('args') Also see How to use helper methods inside a model...
SSHKit 1.9.0 might fail with the following error, when trying to deploy a Rail application. Upgrading the gem to version 1.21.0 fixed the issue. Traceback (most recent call last...
With Rails 4, Concerns have become the “official” solution to the big-models problem. However, there’s a fair amount of controversy about this topic in the community. Not everyone...
...problem of AR models becoming too big. In this talk we will see what Rails Concerns are and how can we use them to keep our models fit. More interestingly...
...49/65) travis-lint... Slow requires: 110.21 render_anywhere 147.33 nokogiri 173.83 haml 179.62 sass-rails 205.04 delayed_job_active_record 286.76 rails 289.36 mail 291.98 capistrano 326.05 delayed_job...
...be updating some of a form's fields via XHR. You can simply use Rails' fields_for to do things like this in your views (HAML here): - fields_for @user...
...these styles, and system will fail when passing it invalid arguments: system 'bundle exec rails server', '-p 3000' # fails and returns nil This is equivalent to running a command called...
...bundle exec rails" (including spaces in its filename). There is usually no such command anywhere on the $PATH. Note that you should prefer the 2nd approach (list of arguments instead...
Now supports RSpec 3 and Rails 4 Drops support for state_machine, which has some issues with Rails 4 and isn't actively maintained
When you need to use diff in either some Ruby code or your Rails app, use the differ gem. puts Differ.diff "foo", "boo" # => {"boo" >> "foo"} Usage There are several variants...
[mysqld] sql_mode="" Now restart MySQL: sudo service mysql restart For a single Rails project If you only want to change the SQL mode for one project, you can...
When your Rails controller action responds with only a simple text, render text: 'Hello' may not be what you want. You should not even use it on Rails 4.1+ any...
By default, a "text" response from a Rails controller will still be a sent as text/html: render text: 'Hello' response.body # => "Hello" response.content_type # => "text/html" While this may not be...
...opensource.zalando.com/restful-api-guidelines https://www.merixstudio.com/blog/best-practices-rest-api-development/ https://www.oreilly.com/library/view/rest-api-design/9781449317904/ More topics in our deck: Rails: Rest API post-mortem analysis InfoQ: How to Design a Good API & Why it Matters
...last_synchronized_at: nil, } } ) def validate_analytic_stats_against_json_schema @schema ||= File.read(File.join(Rails.root, 'app', 'models', 'project', "analytic_stats_schema_v#{analytics_stats_version}.json")) analytic_stats_errors = JSON...
...iconfont-plugin-webpack that automate the font building. If you're still using the Rails asset pipeline, try the half-automatic approach. Webpacker Rails: How to integrate the plugin
Obviously, this leads to problems when comparing strings: "Über".downcase == "über" => false In Rails you can use ActiveSupports' multibyte chars to avoid that problem. It gives you a wrapped...
...cassette for the request that fails Copy the request with all parameters Open a rails console, assign the request to a variable and unescape it: my_project> var = "%5B%7B...
...LIKE only takes a fraction of a second. This means when optimizing a typical Rails action, you should probably look further than the database. A view can easily take many...
...often times the results of such subtractions go into a view. When upgrading a Rails application from Ruby 1.8 to 1.9, this will cause significant pain, and under most circumstances...
...a model Signature with name: string, signature: text, you can use it with regular rails form like this: - form_for @signature, :html => { :class => 'signature_form' } do |form| %dl %dt = form.label...
...cache_or_resolve :var, :some_expensive_calculation end This is what "memoize" in earlier rails versions did. There is a gem that reintroduces this behavior, but this is the essential...
In Ruby on Rails, all objects have a useful blank? method. It returns true for nil but also for empty strings or empty arrays. There is also a universal method...
...When dealing with geo data, you'd often use acts_as_geocodable for your Rails applications. There you can just use your model's upgraded find to achieve the same...
...for your application's bit of metaprogramming. It may matter for a framework like Rails, and for methods that are called really often, but that is not your everyday code...
...into position[]=13&position[]=15, which neatly resolves to params[:position] == [13, 15] in Rails. Broken placeholder height When a dragged row does not have a set height but rather...