The Apache ActiveMQ Artemis message broker holds out the possibility of real shared-nothing replication. The problem, though, lies in coordinating the active and passive brokers in the cluster. This article describes the new active/passive management framework, and how to use Apache Zookeeper as the source of authority on cluster roles.
This article describes how to write a trivial program for Linux using no compiler tools at all, but entering machine language directly in hexadecimal. Because we can.
Sometimes it's helpful to be able to create an executable program that embeds all the data it needs, and provide that data as files. C/C++ do not provide any standard way to do this, but GCC has facilities that the developer can use.
It isn't often that coding theory can be used to evaluate a claim of a UFO encounter. Here is one instance where it can.
In praise of an iconic laptop computer.