#ruby

I would implement a multi-tenancy pattern that isolates data for each tenant, typically using a subdomain or a tenant ID in the database. This can be achieved with gems like…

Active Record uses a connection pool to manage database connections efficiently. Each process or thread can access a pool of pre-existing connections to avoid the overhead of creating new ones,…

In a previous Ruby project, a disagreement arose about the choice of a gem for dependency management. I facilitated a meeting where everyone could voice their concerns and then proposed…

I would begin by profiling the application using tools like New Relic or Rack Mini Profiler to pinpoint slow areas. Once identified, I would look for inefficient database queries, excessive…

To implement pagination in a Rails application, I would use the `kaminari` or `will_paginate` gem to manage the pagination logic. Additionally, I would ensure to leverage database indexing and apply…

In a previous project, I struggled with a performance issue related to a looping process that was taking too long to execute. I identified that using ‘each’ was inefficient for…

ActiveRecord uses a connection pool to manage database connections in a Ruby on Rails application. When a request is made, ActiveRecord checks out a connection from the pool, executes the…

Common techniques for optimizing Ruby on Rails applications include eager loading associations to reduce N+1 queries, using caching strategies like fragment caching and low-level caching, and optimizing database queries with…

In Ruby, everything is an object, including classes and even primitive types like integers and strings. This allows for a uniform approach to operations and promotes metaprogramming, enhancing flexibility in…

In Ruby on Rails, you can iterate over a collection using methods like each, map, or select. For example, using the each method, you can loop through an array of…

In a previous project, I encountered a large codebase with multiple ActiveRecord models that had grown unwieldy. I identified key areas for refactoring, focusing on reducing complexity and improving query…