Ruby On Rails

Tutorials

How Ruby Encodes References - Ruby Tiny Objects Explained

How Ruby Encodes References - Ruby Tiny Objects Explained When you’re using Ruby and you care about performance, you’ll hear a specific recommendation: “use small, fast objects.” As a variation on this, people will suggest you use symbols (“they’re faster than strings!”), prefer nil to the empty string a...

DNS rebinding attacks protection in Rails 6

DNS rebinding attacks protection in Rails 6 It is common practice to run a Rails app using a custom domain locally. app.lvh.me is very common. We also use ngrok.io sometimes to interact with third party services. If you are using a custom domain on a Rails 6 app, you will see an error with ...

Vim Cheat Sheet

Vim Cheat Sheet About the vim cheat sheetThis project aims to be one of the most accessible vim guides available. We made sure to support mobile, desktop, and other languages.You can read about how to contribute (and help improve) by viewing our README. There you...

Moving your Rails app from Google App Engine Flex to Standard environment

Moving your Rails app from Google App Engine Flex to Standard environment tl;dr Default GAE config for Standard Environment prevents Rails apps from running. It's because skip_files is preventing a key file from being uploaded. Google App Engine currently has two environments: Standard and Flex. Without going into too ...

Rubyists life made easier with composition operators.

Rubyists life made easier with composition operators. If you write Ruby code and wandered into FP world you might just started writing those little tiny methods inside your classes/modules. And that was awesome to write code like this:.

Getting Started with Ruby and RVM

Getting Started with Ruby and RVM As of this writing we will be using ruby 2.5.1. I am going to be walking you through how to set up our basic ruby environment using RVM and how we can easily switch between different ruby installations.Installing RVMRVM is a ruby environment manag...

Ruby CSV Library

Ruby CSV Library I recently worked through a take home code challenge and had some fun converting a CSV File into JSON, but after review of my code by the interviewers realized I made my life much harder than it needed to be. I did the challenge in Ruby as I am mo...

Building a Ruby Serverless CI

Building a Ruby Serverless CI When facing a serverless project, the last thing we probably want to worry about as developers is infrastructure or deployment. We just want to make sure that as soon as we are certain our app is working OK, it is deployed as easily as possible. T...

DRAGnet

DRAGnet For my final project with Flatiron School I was prompted to use create-react-app with a Ruby on Rails backend. I had to piece together several tutorials in order to get the two working together. I'm going to recreate the project here in hopes of m...

Be careful when using error reporting services and serverless functions

Be careful when using error reporting services and serverless functions First, a disclaimer: the problem presented by this blog post happened when using AWS Lambda, Honeybadger, and Ruby. If you're using a different cloud provider, error reporting service and/or programming language, this might not be a problem, which...

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