Category: Coding

• June 3, 2015

  Microservices Development with Scala, Spray, MongoDB, Docker and Ansible

  Originally posted on Technology Conversations:
  This article tries to provide one possible approach to building microservices. We’ll use Scala as programming language. API will be RESTful JSON provided by Spray and Akka. MongoDB will be used as database. Once everything is done we’ll pack it all into a Docker container. Vagrant with Ansible will take…
• May 23, 2015

  Andrew Ng on Innovation and Learning

  Andrew Ng is probably one of the scientist and entrepreneurs in Silicon Valley I admire most; apart from being a Machine Learning genius, he also fully embraces the values of freely sharing knowledge, and he has actually done something about it (Coursera) that has become wildly successful. This is a very good article, which I […]
• April 14, 2015

  Build and Install Google Test on Mac OSX

  How to build and install Google Test on Mac OSX
• January 16, 2015

  Data-driven tests for Spring Data (MongoDB)

  When testing a project that uses Spring Data repositories, we may want to insert ‘known-good’ data into arbitrary MongoDB collections, reading it, for example, from JSON iles (typically somewhere in the test/resources subtree). However, some of the data stored in Mongo is in BSON format, which extends the plain JSON format with some Object types […]
• October 23, 2014

  Using ScalaTest with Play 2 Framework (Scala)

  The default testing framework in Play 2 is specs2, however I prefer to use ScalaTest as I quite like it and I’m more familiar with it. Setting up the sbt project and configuration to make it work, though, turned out to be unnecessarily tricky and cumbersome. Here is eventually what I did to make it […]
• December 3, 2012

  AWS re:Invent Notes (1 of 3): SDK for Java

  The following are my (only minimally edited) notes from the AWS re:Invent session (I highly recommend watching the recordings of the keynote sessions) There are two usage levels in the SDK: Low level access to AWS system APIs; and Higher level facilities, that make it easier to access the underlying services. Most notably, the SDK […]