Systems | Development | Analytics | API | Testing

13 Ways You Can Vertically Center Content in CSS

It was always a struggle to center items in the vertical axis, whether we were trying to position an icon or image beside the text, build one of those popular "hero" banners, or a modal overlay. Vertical centering components in CSS is not the easiest task, despite the fact that it is conceptually straightforward. This was especially true before modern CSS elements like flex and grid were supported by browsers.

How to connect to Ably directly (and why you probably shouldn't) - Part 2

In Part 1 of this two-part series, we walked through how to bypass Ably’s SDKs and connect to Ably’s backend using websocat, where every JSON message has to be typed out by hand. In this second part, we’ll fix that tedious bit by switching to NodeJS, and we’ll continue our process of building our own minimal Ably (NodeJS) SDK.

An Introduction to Metaprogramming in Elixir

In this world, there are many mysteries — but few are as elusive as metaprogramming in Elixir. In this four-part series, we’ll start by looking at core concepts and then explore how metaprogramming operates in Elixir specifically. Let’s develop an understanding of metaprogramming and uncover some Elixir metaprogramming secrets!

Node.js Module Exports Explained

As Donald Knuth very wisely put it, computer programming is an art. And an integral aspect of writing clean code and staying true to this art is modularity. This post will cover the use of modules in Node.js — what they are, why they are essential, and how to export and import them in your project. Here’s an outline of what we’ll be covering so you can easily navigate or skip ahead in the post.

Build an Uptime Monitoring System in Ruby with GCE, Cloud Storage, and PubSub

Google Cloud Platform provides developers with many tools to build scalable apps in a way friendlier than AWS. In this article, Olasubomi Oluwalana shows us how we can use the Google Cloud Engine, Storage, and PubSub offerings to build an uptime monitoring system in Ruby.