Blog

Automated security acceptance tests for UI applications. Using OSWAP ZAP client API, Selenium and Cucumber Java.

Distributed data technologies are great, but have many challenges. This is an introduction to using Cassandra and Spark together as a powerful data platform

Programmable infrastructure is code too, and it needs testing. What problems do we face testing our programmable infrastructure? How can we tackle them?

Google Spanner distributed relational database has recently been made available to the wider public, hosted on Google Cloud. We took a closer look.

A look at the uses of type aliases and extension functions in the new 1.1 release of Kotlin, the JVM language from the makers of IntelliJ.

One of the default Cassandra strategies to deal with more sophisticated queries is to create CQL tables that contain the data in a structure that matches the query itself (denormalization). Cassandra 3.0 introduces a new CQL feature, Materialized Views which captures this concept as a first-class construct.

One of the stated intentions behind the design of Java 8's Streams API was to take better advantage of the multi-core processing power of modern computers. Operations that could be performed on a single, linear stream of values could also be run in parallel by splitting that stream into multiple sub-streams, and combining the results from processing each sub-stream as they became available.

This blog gives some examples to illustrate the problem that Reactor Core solves, shows how Reactor Core can help, and discusses how it works internally.

One of the simplest and best-understood models of computation is the Finite State Machine (FSM). An FSM has fixed range of states it can be in, and is always in one of these states. When an input arrives, this triggers a transition in the FSM from its current state to the next state. There may be several possible transitions to several different states, and which transition is chosen depends on the input.