Useful APIs
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How to make changes to a Ruby gem (as a Rails developer)
At makandra, we've built a few gems over the years. Some of these are quite popular: spreewald (> 1M downloads), active_type (> 1M downloads), and geordi (> 200k downloads)
Developing a Ruby gem is different from developing Rails applications, w...
Freeze (vendor, unpack) a single Ruby gem with and without Bundler
When you need to patch an existing gem, one way is to "vendor" the gem by copying it into the vendor/gems
directory of your Rails project. You can then make any changes you require and Rails will use the vendored version of the gem after a serve...
Migrate gem tests from Travis CI to Github Actions with gemika
We currently test most of our gems on Travis CI, but want to migrate those tests to Github Actions. This is a step-by-step guide on how to do this.
Note that this guide requires the gem to use gemika.
- Go...
Missing certificates for rubygems and bundler in Ruby 1.8.7
Using Ruby 1.8.7 you will not be able to use the maximum versions Rubygems 1.8.30 and Bundler 1.17.3 with https://rubygems.org/
anymore. This is a result of a server certificate on December 5th, 2020. The resulting errors will...
"cannot load such file -- nokogiri/nokogiri" (or any other Gem with native extensions on rvm and Ruby >= 2)
After running bundler / gem install I could not load nokogiri lately. It died with cannot load such file -- nokogiri/nokogiri
.
This is not a problem of the gem but is due to a broken native extensions installation routine.
When installing nokog...
ActiveModel: Make Any Ruby Object Feel Like ActiveRecord « Katz Got Your Tongue?
Rails 2.3 has a ton of really nice functionality locked up in monolithic components. I’ve posted quite a bit about how we’ve opened up a lot of that functionality in ActionPack, making it easier to reuse the router, dispatcher, and individual part...
Fix Rubygems binary error: undefined method `activate_bin_path' for Gem:Module (NoMethodError)
So you're getting an error like this:
undefined method `activate_bin_path' for Gem:Module (NoMethodError)
Here is what happened:
- You installed a recent version of Rubygems
- You installed some gems that install a binary (like `bun...
Bundler in deploy mode shares gems between patch-level Ruby versions
A recent patch level Ruby update caused troubles to some of us as applications started to complain about incompatible gem versions. I'll try to explain how the...
Gem development: When your specs don't see dependencies from your Gemfile
When you develop a gem and you have a Gemfile
in your project directory, you might be surprised that your gem dependencies aren't already required in your specs. Here is some info that should help you out:
- Bundler actually doesn't automatical...
How to fix "undefined method `name' for Array" error when running bundled commands on Ruby 1.8.7 + Rails 2.3
On recent/fresh installations of Ruby 1.8.7 you may encounter this error why calling any bundled binary (or just bundle exec
):
/home/arne/.rvm/gems/ruby-1.8.7-p374@global/gems/rubygems-bundler-1.4.2/lib/rubygems-bundler/noexec.rb:75:in ...