Rails: How does the respond_to block work?
I'm going through the Getting Started with Rails guide and got confused with section 6.7. After generating a scaffold I find the following auto-generated block in my controller: def index @posts = Post.all respond_to do |format| format.html # index.html.erb format.json { render :json => @posts } end end I'd like to understand how the respond_to block actually works. What type of variable is format
How to redirect to previous page in Ruby On Rails?
I have a page that lists all of the projects that has sortable headers and pagination. path: /projects?order=asc&page=3&sort=code I choose to edit one of the projects path: projects/436/edit When I click save on that page, it calls the projects controller / update method. After I update the code I want to redirect to the path that I was on before I clicked edit a specific project. In other words,
How do I see the whole HTTP request in Rails
I have a Rails application but after some time of development/debugging I realized that it would be very helpful to be able to see the whole HTTP request in the logfiles - log/development.log, not just the parameters. I also want to have a separate logfile based on user, not session. Any ideas will be appreciated!
running rails app on heroku, can't see static pages in /public folder
I have a couple static pages which when running locally work as localhost:3000/foo.html, but this doesn't work once uploaded to heroku. I tried adding the following to the routes.rb file: match '/foo', :to => redirect('/public/foo.html') but that doesn't seem to work, it redirects me to foobar.com/public/foo.html, but still finds nothing there.
config.assets.compile=true in Rails production, why not?
The default Rails app installed by rails new has config.assets.compile = false in production. And the ordinary way to do things is to run rake assets:precompile before deploying your app, to make sure all asset pipeline assets are compiled. So what happens if I set config.assets.compile = true in production? I wont' need to run precompile anymore. What I believe will happen is the first time an as
Rails 4 assets.precompile
This is a common question in here, but none of the solutions fixed my problem, so here it goes: I am adding ace.js to my rails4 app, So what I did was - Added vendor/assets/ace/ace.js - Created vendor/assets/ace/index.js , with content //= require ace - Added the following to my production.rb config.assets.precompile += %w( index.js ) config.assets.paths << Rails.root.join("vendor", "assets", "ace
How to install charlock_holmes dependency libicu-dev on Heroku
I'm using the ruby gem charlock_holmes in a Rails 4 app to detect the character encodings of CSV's that I'm parsing so that CSV.foreach doesn't throw an error. However, when I try to push to heroku (with gem 'charlock_holmes' in the Gemfile) I get the following error: Installing charlock_holmes (0.6.9.4) Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension. /tmp/build_e
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Capitalize only first character of string and leave others alone? (Rails)
Rake in Rails: should I be using db:reset?
What does rake db:test:prepare actually do?
When to use a "has_many :through" relation in Rails?
find vs find_by vs where
What is `params.require(:person).permit(:name, :age)` doing in Rails 4?
Rails :dependent => :destroy VS :dependent => :delete_all
Rails: How do I print the request parameters?
Block comments in html.erb templates in rails
How to comment lines in rails html.erb files?
Is there a way to set up simple http authentication for a Ruby on Rails app on heroku?
Rails 4 image-path, image-url and asset-url no longer work in SCSS files
Getting a 404 Not Found default error page "Active Record::RecordNotFound" when I have a custom page for that