-
Scala
Playing with futures
During job interviews we often give Scala developers a simple design task: to model a binary tree. The simplest but…
Read More » -
Software Development
MongoDB “Lightning Fast Aggregation” Challenged with Oracle
What does “Scale” even mean in the context of databases? When talking about scaling, people have jumped to the vendor-induced…
Read More » -
Enterprise Java
Project Student: Webservice Client with Jersey
This is part of Project Student. Other posts are Webservice Client with Jersey, Business Layer and Persistence with Spring Data.…
Read More » -
Agile
Give Credit Generously
I had a boss who was great at saying, “Terri did this. Jen did that. JR did this other thing.”…
Read More » -
Software Development
Performance tuning – measure don’t guess
In my performance tuning career I have given the advice to measure and not guess more often than I can…
Read More » -
Core Java
The infamous sun.misc.Unsafe explained
The biggest competitor to the Java virtual machine might be Microsoft’s CLR that hosts languages such as C#. The CLR…
Read More » -
Software Development
MongoDB Facts: Lightning speed aggregation
In my previous post, I demonstrated how fast you can insert 50 millions time-event entries with MongoDB. This time we…
Read More » -
Software Development
Counting Distinct Records in SQL
The SQL language and its depths… Some of you readers might be aware of MySQL’s capability of counting distinct records…
Read More » -
Software Development
Transforming a server application to cloud application
On-premise products are architected and designed for server operating environment i.e., they are web-based applications. SaaS, on the other hand…
Read More »
