Ruby On Rails

Tutorials

Optimize Dokku Deployment Speed for Ruby on Rails with Dockerfile

Optimize Dokku Deployment Speed for Ruby on Rails with Dockerfile Dokku lets you setup Rails hosting infrastructure on a simple VPS without much dev ops experience. Although it is easy to get started, a default config might result in very slow and unreliable deployments. In this blog post, I will describe how I'...

Sending Email with SMTP And Sendgrid

Sending Email with SMTP And Sendgrid Sending Email with SMTP And Sendgrid | Preview.

Micro-Optimising in JRuby

Micro-Optimising in JRuby One of the neatest bits of JRuby is the simple way you can call out to Java. There's a lot of Java out there, and you can wrap it up in nice little Ruby interfaces with just a few lines of code.Let's illustrate with some trivial examples, hooking ...

Uploading files directly to S3 using Pre-signed POST request

Uploading files directly to S3 using Pre-signed POST request Pre-signed POST request allows for securely uploading large files directly to S3 via a signed expirable url, bypassing the 30 seconds Heroku time limit.It’s easy to create a form in Rails which can upload a file to the backend. The backend, can th...

Password Generation in Ruby and Rust

Password Generation in Ruby and Rust Rust is many of the things Ruby isn't—precompiled, screaming fast, meticulously efficient, static, explicit, type-safe. But it's also expressive and, above all, fun. I think this rare mix makes it a good companion language for Ruby developers, par...

Background Processing with Rails, Redis and Sidekiq

Background Processing with Rails, Redis and Sidekiq In any non-trivial web application you will get to a point where certain requests take so long to answer that your application will break if you try to respond with a synchronous HTTP response.In this case you need to offload the work into a backg...

Sign in (or up) with Google for Rails applications

Sign in (or up) with Google for Rails applications This gem allows you to add Google sign-in to your Rails app. You can let users sign up for and sign in to your service with their Google accounts.

Exporting significant SQL reports with ActiveRecord

Exporting significant SQL reports with ActiveRecord A few months ago we faced a memory issue on some of our background jobs. Heroku was killing our dyno because it was exceeding its allowed memory. Thanks to our instrumentation of Sidekiq, it was easy to spot the culprit. The job was doing a fairly...

Rails Console Magic Tricks

Rails Console Magic Tricks Seven techniques to increase the developer experience during a Rails Console session. Please note that some of them will come from Ruby itself, and thus won’t be necessarily restricted to.

Build a collaborative playlist over WhatsApp with Rails, Twilio, and Spotify - Twilio

Build a collaborative playlist over WhatsApp with Rails, Twilio, and Spotify - Twilio Sharing music over playlists is a great way to discover new and old music. Spotify has collaborative playlists, but I don't like how they let your friends re-order and delete songs from the list. We can fix this by building our own collaborative p...

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