Ruby On Rails

Blogs

Rails upgrade's best friend

Rails upgrade's best friend By comparing all these HTML files that are processed before and after any kind of code change, you can make sure that you did not (or you did) introduce any new user-facing incompatibilities. This may greatly help you for example, refactoring your...

Processing a CSV File in Batch With Sidekiq

Processing a CSV File in Batch With Sidekiq Sidekiq Pro comes with a great feature to process a collection of jobs as a batch, allowing them to be monitored as a group and executing a callback function when all the jobs are finished. This is useful when you need to load a lot of spreadsheet...

How to Access Production Data in Rails Migrations

How to Access Production Data in Rails Migrations Sooner or later every project will need to migrate production data, not only the schema. There are many different approaches in the wild – most of them overly complex. In this article we’ll tackle the problem using vanilla Rails.

The status of Ruby memory trimming

The status of Ruby memory trimming My blog post earlier this month about what causes Ruby memory bloat, and about a way to potentially reduce memory usage by 70 percent, triggered quite a storm in the community! It's clear that I stumbled upon a significant pain point.

Extracting text from image using Google Cloud vision OCR with Ruby

Extracting text from image using Google Cloud vision OCR with Ruby Every day billions of documents like orders, invoices, payrollls, business cards, handwritten letters, tax documents, legal filing, and even boarding passes, are exchanged between the desperate system in enterprise applications. The documents come...

The Magic of Associations with ActiveRecord

The Magic of Associations with ActiveRecord The world of Object Oriented Programming seemed very complex and confusing to me. It was only when I realised that the models we create represented real-life objects and the way they interacted with each other were like relationships between objec...

Mastering data structures in Ruby — Stacks

Mastering data structures in Ruby — Stacks Stacks are a special kind of linked lists that allow us to efficiently store retrieve data in last in, first out order (LIFO). Or in other words, elements are retrieved in the opposite order they were stored on the stack.As well as it happens with...

What to Know About Learning Python after Programming in Ruby

What to Know About Learning Python after Programming in Ruby As I wrap up my 15-week experience at the Flatiron School, I’m both looking back on how much we covered in such a short span of time and thinking about what to learn next. I’ve always been curious about Python, partially because of its continued r...

An Deep Dive into TensorStream

An Deep Dive into TensorStream Previously, I’ve written an article about bringing machine learning to ruby which you can find here Bringing Machine Learning to Ruby. Now I will go into a deep dive into TensorStream as a machine learning framework itself.Note that if you have wo...

Scaling a Ruby on Rails app on Heroku

Scaling a Ruby on Rails app on Heroku I have had to spend a considerable amount of time scaling Rails applications for things like major product launches to live TV events like SharkTank and Beyond The Tank and national TV marketing campaigns.From all that experience, the most effecti...

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