Introduction to Abstract Syntax Trees for Web Developers
Abstract Syntax Trees (ASTs) are not a common topic for discussion among web developers, as we are often so busy trying to determine which tools we should use that we
Storing JWT tokens in your React Frontend
This is an entry in a larger series of blog posts about JWT authentication using Tornado and Neo4J. It’s not strictly necessary to read the previous post, but please check
Using the Decorator Pattern for Authentication
This is an entry in a larger series of blog posts about JWT authentication using Tornado and Neo4J. It’s not strictly necessary to read the previous post, but please check
Simple JWT User Authentication With Neo4j and React
Of Note: This article assumes basic understanding of using the neo4j python driver and some knowledge on Neo4J. Authentication with JWTs is a pretty common practice; however, when using a
Neo4j: First Impressions
In my time as a web developer I have only had experience with SQL databases. From Postgres to SQLite, but always a steady, constant, SQL. SQL!! SQL!!!! Excuse me for
How to Run a (day-long) Hack-a-thon
Recently, I had the interesting challenge of planning for a one day hack-a-thon. The event was limited to a single business day, giving us only 8 hours to hack. Below,
File Attachments in Angular with Rails, S3, and Paperclip
Web applications commonly require file attachments. This posts walks through an approach to setting up secure file attachments in a web application using AngularJS, Ruby on Rails, Paperclip, and Amazon’s
Simplifying serverless AWS development with Node tooling
Introduction Using a serverless architecture to host your app, website, or API is a great way to avoid the cost and maintenance of a dedicated server. Through the use of
Warm Up Your Neo4j Database with APOC
Summary Warming up a Neo4j database adds nodes and relationships to the database’s page cache. If you are not warming up your database, query performance will suffer until the cache
Using Chef for Zero Downtime Docker Deployment
Introduction <p>Typically, Chef is used to configure a node and something like Capistrano is used to deploy code. In this solution, Chef is used to both bootstrap the node and
A Practical Guide to Apache Kafka: Part 2
Introduction This blog series focuses on how Kafka can be used to create fast and fault-tolerant systems for processing data streams. The overall goal of this multi-part guide is to
A Practical Guide to Apache Kafka: Part 1
Introduction Stream ingestion and stream processing are fundamental components of distributed systems. This blog series focuses on how Kafka can be used to create fast and fault-tolerant systems for processing
Introduction to Habitat
This blog will be split into multiple posts. In this post, we will be introduced to Habitat, discuss its concepts, and learn how to set up Habitat. What is Habitat?
Introduction to Raft: A Consensus Algorithm Alternative to Paxos
The Paxos algorithm for consensus was described by Leslie Lamport and is important due to its contributions to distributed computing theory as well as its practical use since it is
Automated Zero Downtime Docker Deployment to an AWS EC2 Instance
In my last blog post, I went through the steps required to configure an existing Rails application to work with Docker. By the end of that post, our Rails app
Configuring Docker to Work with an Existing Rails Application
Docker is a lightweight containerization platform that makes deploying software easy. Docker images are created from instructions listed in Dockerfiles and Docker Compose (formerly Fig) makes it easy to build
How to Deploy a Meteor 1.4 App to Heroku
Motivation Meteor apps are fast to develop and easy to deploy locally. As nice as it is to view your app this way, it’s also great to see how it
A Tweet Instead of a Cover Letter to Find: The Intern
A few months back Coshx was looking to hire a Marketing Intern. We were primarily looking for someone who has strong research skills, enjoys learning, and could provide creative contributions
Creating a Cassandra Cluster Using Docker-Compose and BDD
Motivation I’ve been training up some large companies recently on working with Cassandra, and have been using Sylvain Lebresne’s excellent Cassandra Cluster Manager to quickly spin up local clusters. This
The Intern: We Survived Humpback
The Coshx Labs office takes a rewarding trip to Humpback Rock. Read all about the hike and the great time we had together!