Rachel ChervinLocust Swarm your Rails AppRecently I needed to stress-test a Rails app hosted on Amazon AWS and Elastic Beanstalk (EB). Amazon provides pretty thorough instructions…Aug 19, 2020Aug 19, 2020
Rachel ChervinAWS Elastic Beanstalk gotchas with RailsDuring a recent deploy to Amazon AWS Elastic Beanstalk’s Ruby service, I encountered a number of gotchas that are not covered in the…Jun 6, 20192Jun 6, 20192
Rachel ChervinWhat’s the difference between Rails .present? and .presence?Recently I had the chance to write a parameter hash in Rails where I needed to provide default values for each attribute only if they were…Sep 11, 2018Sep 11, 2018
Rachel ChervinIf/else vs if/return: using implicit returns in Javascript and ReactThere’s nothing better than reducing lines of code by eliminating redundancies (okay sure, maybe clean water and access to healthcare, but…Aug 14, 20182Aug 14, 20182
Rachel ChervinBlogust 1: Refactoring Ruby .& operatorsRecently I had the chance to learn a better refactor for reducing use of the &. operator in Ruby, aka the “lonely man operator”. This…Aug 2, 2018Aug 2, 2018
Rachel ChervinHow to Write Dynamic Ruby FunctionsThis is a quick trick I like to use when you need to write several almost-identical functions. For example, when trying to check different…Jul 17, 2018Jul 17, 2018
Rachel ChervinSending emails with GoDaddy and Ruby on RailsIn any Rails application, it comes time to send an email with ActionMailer. This guide is assuming you have followed all the steps in the…Sep 1, 20171Sep 1, 20171
Rachel ChervinIn a bind: solving a localhost:3000 “Address already in use — bind(2)” 500 error in Ruby on RailsRecently I tried running a Rails app on a production server. Not only did it not work, but it broke my localhost:3000 development server as…Sep 1, 2017Sep 1, 2017
Rachel ChervinA Beginner’s Guide to Heroku+Rails+Postgres Database Memory OptimizationOn the eve of my first solo product launch, I realized that our Heroku Rails production database was still at hobby-dev level. This will…Aug 15, 2017Aug 15, 2017
Rachel ChervinCustom Active Admin filter for NILRecently I created a Rails model (called MyModel here) that had a field called :delivered_at, to denote when a notification about each…Jan 31, 20172Jan 31, 20172