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We're pleased to announce the release of ActiveRecord::SaferMigrations, a library to make changing the schema of Postgres databases safer. Interested how? Read on. Previously, we looked at how seemingly safe schema changes in Postgres can take your site down. We ended that article with some advice, and today we want to make that advice a little easier to follow. A recapIn a nutshell, there are som

In search of performance - how we shaved 200ms off every POST request While doing some work on our Pro dashboard, we noticed that search requests were taking around 300ms. We've got some people in the team who have used Elasticsearch for much larger datasets, and they were surprised by how slow the requests were, so we decided to take a look. Today, we'll show how that investigation led to a 200ms

At GoCardless, Angular.js has been in production since March this year. We wanted to share some of the things we've learned while building and maintaining a fairly large single-page application (SPA). The core app is 9K lines of code. This post is split into two sections: why we chose Angular and best practices that have worked for us during development. Project background Angular came up when dis