As an engineer for the U.S. Digital Service, Marianne Bellotti has encountered vintage mainframes that are still being used in production — sometimes even powering web apps. Last month she entertained a San Francisco audience with tales about some of ...

With the recent arrival of Let's Encrypt TLS/SSL certificate support on Compose's Elasticsearch and RabbitMQ, we've noticed some issues popping up from the rabbit hole that is this encryption support. Top of that list is problems with Java connections er...

As with many programming languages such as C, C++ and C# (known commonly as the C family), it is possible to “overload methods” (sometimes called functions if not used in classes, such as C) in order to take a different amount of parameters so that they c... (more…)

About a month ago, I had the pleasure of taking a tutorial led by the fantastic Brendan Gregg on creating FlameGraphs using the Linux perf toolset. I recommend reading his many blog posts on the subject, but in short: while perf is an excellent resource f...

IntelliJ IDEA 2020.1, the first major update this year, has just been released! This new version adds support for Java 14 and new features for a number of web and test frameworks. It also upgrades the debugger with dataflow analysis assistance, adds a new... (more…)