Redirect in Sinatra is the most simple to use. So the code below can explain: require ‘rubygems’ require ‘sinatra’ get “https://stackoverflow.com/” do redirect “http://example.com” end You can also redirect to another path in your current application like this, though this sample will delete a method. delete ‘/delete_post’ do redirect ‘/list_posts’ end A very common place … Read more
Variable Length Argument List, Asterisk Operator The last parameter of a method may be preceded by an asterisk(*), which is sometimes called the ‘splat’ operator. This indicates that more parameters may be passed to the function. Those parameters are collected up and an array is created. The asterisk operator may also precede an Array argument … Read more
OpenStruct objects are useful when you need something to fit a certain method call interface (i.e. send in a duck-typed object responding to #name and #value), or when you want to encapsulate the implementation details, but also want to avoid over-engineering the solution. They also make an awesome stub object, and I often use them … Read more
There is no built-in HTML parser (yet), but some very good ones are available, in particular Nokogiri. Meta-answer: For common needs like these, I’d recommend checking out the Ruby Toolbox site. You’ll notice that Nokogiri is the top recommendation for HTML parsers
This worked for me. YMMV brew uninstall –purge macvim brew install macvim [amended] Regarding the upgrade alone option, that may work if you don’t have the current version already. The –purge forces a removal and complete reinstall. Also, the build from source option, while it may work, you now own your own mac-vim static snapshot … Read more
The instructions are probably a bit confusing. It’s saying that you’ve modified your Gemfile on your development machine and just pushed those changes rather than running bundle install BEFORE committing the changes. By running bundle install you will update your Gemfile.lock file. This should be pushed to your server as it’s more important than Gemfile. … Read more
Instead of calling clone on the array itself, you can call it on each of the array’s elements using map: b = a.map(&:clone) This works in the example stated in the question, because you get a new instance for each element in the array.
Shellwords should work for you 🙂 exec “/usr/bin/mplayer %s” % Shellwords.escape(song.file) In ruby 1.9.x, it looks like you have to require it first require “shellwords” But in ruby 2.0.x, I didn’t have to explicitly require it.
Create a model with a text field > rails g model Arches thearray:text invoke active_record create db/migrate/20111111174052_create_arches.rb create app/models/arches.rb invoke test_unit create test/unit/arches_test.rb create test/fixtures/arches.yml > rake db:migrate == CreateArches: migrating =================================================== — create_table(:arches) -> 0.0012s == CreateArches: migrated (0.0013s) ========================================== edit your model to make the field serialized to an array class Arches < … Read more
Doh. Silly mistake here, running bundle exec rake spec instead of rake spec solved it. Also had to add require ‘factory_bot’ to the top of support/factory_bot.rb