March 11, 2020 Database migrations with zero downtime – four different scenarios – each scenarios have steps which correspond to different software release / deployment Reference: https://developers.redhat.com/books/migrating-microservice-databases-relational-monolith-distributed-data/
July 25, 2017 How are Java 9 sets created by the factory method Set.of randomized Convenient factory methods for creating collections of objects is one of the nice feature that Java 9 brings. Here is how you would create…
May 2, 2017 Downloading an AWS Glacier archive, step by step Glacier is the low-cost cloud storage solution offered by AWS. Files uploaded to AWS Glacier are called archives and archives are organized in vaults….
January 29, 2017 Scala Pattern Matching, from a Java developer perspective. Part 2. This is the second part of a series of articles about pattern matching in Scala. In the first part we’ve covered literal pattern matching,…
November 30, 2016 Scala Pattern Matching, from a Java developer perspective. Part 1. Pattern matching is one of the most used Scala feature. Try to open a random Scala file and there are great chances to find…
October 22, 2016 The first piece of code I’ve ever written I am pretty sure that the first computer I have ever touched was a Ice-Felix HC 91, a ZX Spectrum clone made in Romania….
October 16, 2016 Three lessons I’ve learned about code testing Can you imagine nowadays a non trivial software system with no automate testing, with no unit tests, integration tests or GUI tests? Have you…
September 11, 2016 Strategy Pattern, 5 examples from Java core Strategy pattern is one of the well known behavioral patterns, yet people (at Java interviews in my city) find it difficult to name some example from…