Ruby On Rails

Tutorials

Security tips for rails apps

Security tips for rails apps As your application gets larger and larger, the surface area for security issues expands accordingly, and security bugs become more and more problematic.

Rails Rspec 3 View Test Examples

Rails Rspec 3 View Test Examples I use Rspec View for testing required html tags, required partial, or conditional in html. Here are some examples View specs with Rspec 3.7.

How to Do Web Scraping with Ruby?

How to Do Web Scraping with Ruby? Wondering how to make a web scraper? We have prepared an informative guide of scraping the web with Ruby on Rails.

SidekiqLogAnalyser gem allows to see summary of your sidekiq workers (based on log file).

SidekiqLogAnalyser gem allows to see summary of your sidekiq workers (based on log file). SidekiqLogAnalyser gem allows to see summary of your sidekiq workers (based on log file).

The Curious Incident of the Shadow in the Run-Time

The Curious Incident of the Shadow in the Run-Time Coding in Ruby is full of sweetness and light, but where there is light, shadows are cast.

Using Lambdas to Simplify Varying Behaviors in Your Code

Using Lambdas to Simplify Varying Behaviors in Your Code Lambdas are anonymous (unnamed) functions. Unlike methods in object oriented programming languages, lambdas are not bound to any object.

Scaling at Instacart: Distributing Data Across Multiple Postgres Databases with Rails

Scaling at Instacart: Distributing Data Across Multiple Postgres Databases with Rails I love a good challenge and at Instacart we have lots of exciting challenges. I work on the Shopper Success team, tasked with making shopping and delivering groceries to our customers a good.

Carrierwave: How to Avoid Issues with Version Inheritance

Carrierwave: How to Avoid Issues with Version Inheritance Сarrierwave is a popular Rails gem for file uploads. Recently I had to upload two types of images into the app. Sounds pretty simple, right?.

Solving the N-Queens Problem With Ruby

Solving the N-Queens Problem With Ruby N-Queens is an interesting coding challenge where you have to place N queens on a N.

From Service Objects To Interactors

From Service Objects To Interactors If you’ve worked on any large Rails app, you’ve probably come across the service object pattern, a useful abstraction for handling business logic.

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