We all agree that tracing a bug in a monolithic app is hard, but this tracing gets even harder in a distributed solution, since we've many different services running on different machines may be involved in responding to a single request.Not only for debugging purposes, it’s essential that
I'm not a big fan of Websphere application server (at all), but I found myself lately dealing with it and I think it worth sharing my small experience with WAS on setting up a CD pipeline using Jenkins CI. This write up is based on WAS 8.5.5 and
One of the oldie but goodie java books is "Effective Java" by Joshua Block, If you're a java developer and haven't read it yet, then it's time my boy. Each chapter in the book consists of several “items” presented in the form of a short, standalone essay that provides specific
he Just-In-Time (JIT) compiler is a component of the Java Runtime Environment that improves the performance of Java applications at run time. Nothing in the JVM affects performance more than the compiler, and choosing a compiler is one of the first decisions made when running a Java application—whether you
Recently I was working on a project and we needed a service that create QrCodes with user profile image on top of it, something like the twitter QRCode. We had 2 option: Using a paid existing web service, or make our own.I went with the second option. After a