Ruby On Rails

Tutorials

Ruby benchmarking tool you didn't know you need

Ruby benchmarking tool you didn't know you need Attention web developers working with lots of data - below are first class problems to consider:slow database queriespage time outsWhen customer support barks at you to resolve a 500 error, what do you do? Initial instincts suggest the two problem...

Contributing to a Gem

Contributing to a Gem Drifting Ruby Screencasts is a collection of short tutorial screencast videos and documentation for accomplishing functional concepts in web. So, you've been using a gem for some time and you've either discovered that the gem isn't working correct...

Ways for reducing Heroku slug size

Ways for reducing Heroku slug size Techniques for reducing Heroku slug size for Rails applications. First things first, what is a slug?A slug is essentially the compressed copy of your application comprising of your git repo along with packages that are installed at deploy time lik...

Multiple Instances of Webpacker

Multiple Instances of Webpacker I am a big fan of OS X of spaces and usually have quite a few instances of VSCode opened in various spaces.One early headache with this approach was Rails starting on port 3000 by default. The fix for this was quite easy. Just add an ENV[1] variab...

Postgres Distinct On

Postgres Distinct On By day, I am a mild mannered owner/programmer at Box Out Sports. By no means do you need to understand all that we do there or how we do it, but recently I fixed a tricky N 1 query and thought I should write it up.The need arises when you have a p...

How I set up Factory Bot on a fresh Rails project

How I set up Factory Bot on a fresh Rails project A reader of mine recently asked me how I set up Factory Bot for a new Rails project.There are four steps I go through to set up Factory Bot.Install the factory_bot_rails gemSet up one or more factory definitionsInstall FakerAdd the Factory Bot syn...

Exploring Method Arguments in Ruby: Part 3

Exploring Method Arguments in Ruby: Part 3 In the first and second parts of this series we talked about positional and keyword arguments, but we still have some extra options so that our methods can do anything we want.In this final part we are going to explore blocks, array decomposition,...

Asynchronous HTTP requests in Rails

Asynchronous HTTP requests in Rails Today is a special day. It’s the day I’ll (mostly) talk about Javascript!I’ve been struggling with AJAX requests in Rails apps for a while. But I’ve started using them a lot recently, and pieces of the puzzle kinda fell together. Asynchronous requ...

Disable logging of (sensitive) arguments in Active Job

Disable logging of (sensitive) arguments in Active Job If you are using Active Job for managing background jobs in Rails, you might have noticed that it logs the job arguments when the job is enqueued or run. Let's see an example of this.

A reliable and robust messaging bus for Ruby and Rack

A reliable and robust messaging bus for Ruby and Rack A reliable, robust messaging bus for Ruby processes and web clients.MessageBus implements a Server to Server channel based protocol and Server to Web Client protocol (using polling, long-polling or long-polling streaming)Since long-polling is im...

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