Christian Høj

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Using PostgreSQL UUIDs as primary keys with Rails 5

Oct 31, 2016 <br>1 minute read<p>Using PostgreSQL UUIDs as primary keys with Rails 5.<p>PostgreSQL has a native datatype for UUIDs and Rails 4.0+ has built-in …

You want a faster app - where should you start? At RailsConf 2017 I was in a panel “Performance: performance” moderated by Sam Saffron and joined by Eileen U...

You want a faster app - where should you start? At RailsConf 2017 I was in a panel “Performance: performance” moderated by Sam Saffron and joined by …

Software Development

Using Phoenix with Legacy Rails Applications

Background<p>Here’s the situation: I love writing Elixir and Phoenix, but many of my clients have existing legacy Rails applications that have been …

I am an Indie Dev - Part 3

It has been a <i>long</i> time since I last wrote about my journey of becoming (or, attempting to become) an independent iOS developer. In fact, given that …

A new way to plan your trip: Introducing the Airbnb iMessage App

By Andriy Sergiyenko & Noah Martin<p>Today we are incredibly excited to introduce a brand new Airbnb iMessage app for iOS 10! We believe it will greatly …

Little Big Details For Your Mobile App

Your app’s success is based on a combination of factors, but the overall user experience tops them all. The apps that stand out in the market are …

In-app purchases dwarf ad revenues, as iOS App Store exceeds $71 billion

Only 5 percent of app users make in-app purchases, yet they drive much more publisher revenue than app-based advertising.<br>Please visit Marketing Land …

App Store

Scaling Rails to 125,000 Requests per Minute on Heroku

<i>Summary: On Heroku, Rails scales fairly easily, but there are some important things to consider. We looked at how various dyno and Postgres settings</i> …

Setting up automated SSL/TLS for Rails app with Let's Encrypt

Recently I was working on adding HTTPS to my website KnapsackPro.com and I’d like to share some tips with you how to configure SSL/TLS in Rails …

IT security

Optimizing Rails deployment on Heroku

Time-consuming deployment process makes developers wait longer to see their changes live. Apart from being a context switch trigger, it becomes a …

DevOps

Jessica Livingston's Pretty Complete List on How Not to Fail

Jessica Livingston, co-founder of Y Combinator, spoke at our Female Founders Conference.<i>For weekly recaps of The Macro, sign up here.</i>Here's Jessica's …

Startups

Making Rails asset pipeline faster

We all know that for a rather large Rails app where the front-end is quite stuffed, the asset pre-compilation and more importantly - development mode …