Testing distributed systems it is really hard, for starters the developer that wants to write a test in this magnitude needs to understand…

We are going to process on the fly a 30 million lines remote file, summing the numbers of each line. We will see how to implement the functions we need to convert a stream of chunks (the one built in part 1) to a stream of lines. We'll then run a benchmark…

Pattern matching is an integral feature of functional programming and gives us a way to compare data against certain patterns. It can be…

A codealong

Here at Rakuten Brazil I work on a team that uses Ruby ostensively, mainly Hanami (you can known more about this in this blog post series…

A hash function is a function that converts a variable size sequence of bytes (a string, a file content etc.) to a fixed size sequence of bytes, called digest. This means that hashing a file of any…

Learn about Cadre, a new library by Paul Schoenfelder to help solve the challenges of building software with distributed state.

How can a programming language become a competitive advantage? This post is about how the Elixir programming language can be that…

Moving data between semantic and property graphs

This is revised version of my 2012 essay on using small, simple functions to drive clear-headedness in programming. After seven years and…

We all want our code to be simple and clear for any reader, at the same time vimrc is often clogged pile of magic. Here I show how I Vim

Updating the Phoenix LiveViews from outside the process

Building software is hard, there's no doubt about it. There are ways we can make it easier to write code in teams with large codebases.

I joined Podium for many reasons, among them was our dedication to testing. A good test suite gives you confidence to go fast and ship…

Since the announcement of Broadway a couple of months ago, we've received a very positive response from the community. We were able to gather some great

Today, we’re diving into Phoenix umbrella applications to build a router that can route requests from multiple subdomains to different apps in our umbrella.

I’m currently working on a CLI implementation of Tic Tac Toe in Elixir, and I recently received feedback that I could be doing more to…

how to build a Phoenix app from scratch, letting users upload their files!

. Tagged with language, ruby, elixir, erlang.