Published inFlatiron Labs·Dec 4, 2019How to Compose Queries in EctoI’ve been working with Ecto for a little bit now and I keep finding that it can be really helpful to make my queries composable. …Elixir9 min readElixir9 min read
Published inFlatiron Labs·May 1, 2019Dynamic SSL Proxy For Jupyter NotebookHow to forward traffic to a dynamic target destination — We are creating Docker containers for students to run a Jupyter Notebook and then embedding that notebook on Learn.co in an iframe. Because Learn.co is using SSL, the connection with the Jupyter Notebook must use SSL as well otherwise…Nginx5 min readNginx5 min read
Published inFlatiron Labs·Jan 23, 2019Database Locking with Ecto in ElixirHow to be sure tasks are executing once (and only once) across multiple servers — A Problem So before I go into database locking (what is it?) and implementing it, I want to first start off with a problem and how I came to learn about this myself. We have an app that is in charge of sending out invoices when a set of criteria are met…Elixir8 min readElixir8 min read
Published inFlatiron Labs·Nov 28, 2018Elixir PlugsA cross-post collaboration with Elixir School — This blog post was originally published on Elixir School as a lesson on Plug. I added the section on Plug.ErrorHandler and Sophie DeBenedetto brought the lesson up to date to use Cowboy2 protocol. This lesson is, of course, a collaboration with many other open source contributors over at Elixir School…Elixir8 min readElixir8 min read
Published inFlatiron Labs·Aug 29, 2018Quote Do, Unquote, Use, Require, and Import?Understanding code reuse in Elixir — I’ve been working mostly with Ruby and Rails since I started web development a few years ago and it’s been great, but I keep hearing about Elixir and Phoenix and how fantastic they are. I am finally getting the chance to dip my toe in, and I’ve found a couple…Elixir8 min readElixir8 min read
