Midhun Krishna
Topic

rails

7 essays

2019Two essays

No. 08

Rails 6 introduces new code loader: Zeitwerk

Zeitwerk is the new code loader that comes with Rails 6 by default. In addition to providing autoloading, eager loading, and reloading capabilities, it also improves the classical code loader by being efficient and thread safe.

1 min read

2018Two essays

No. 06

Setting up a high performance Geocoder

One of our applications uses geocoding extensively. When we started the project, we included the excellent Geocoder gem, and set Google as the geocoding backend. As the application scaled, its geocoding requirements grew and soon we were looking at geocoding bills worth thousands of dollars.

1 min read

No. 05

Using Concurrent Ruby in a Ruby on Rails Application

Concurrent Ruby is a concurrency toolkit that builds on a lot of interesting ideas from many functional languages and classic concurrency patterns. When it comes to writing threaded code in Rails applications, look no further since concurrent ruby is already included in Rails via Active Support.

1 min read

2016Three essays

No. 03

Rails 5 silences assets logs in dev mode by default

As a Rails developer, it was a familiar picture of assets logs flooding the whole terminal in development mode. Fortunately, we could include quiet_assets gem in our application. It turns off the Rails asset pipeline log in development mode.

1 min read

No. 02

Rails 5 Expression Indexes & Operator Classes support

Let’s assume that in our health care application we have a page which shows all Patients. This page also has a filter and it allows us to filter patients by their name. We could implement the filter as shown here.

1 min read

No. 01

Attach arbitrary metadata to an Active Job in Rails 5

Rails 4.2 came with built-in support for executing jobs in the background using Active Job. Along with many enhancements to Active Job, Rails 5 provides the ability to attach arbitrary metadata to any job.

1 min read