Amazon recently announced the support for version 6.3 (and 5.6) for AWS Elasticsearch. They also improved the upgrade mechanism to automatically upgrade Elasticsearch clusters with zero downtime, without any hustle on your side. See the official blog post for instructions on Read more…
The latest SonarQube release 7.3 supports analyzing Kotlin out-of-the-box. New SonarQube release! 🎉Analyze @kotlin , #CSS , and chase down vulnerabilities like a pro with SonarQube 7.3 💪https://t.co/KreApK4wgk— SonarQube (@SonarQube) 13. August 2018 SonarQube recognizes cognitive complexity, duplications and other Read more…
SonarQube Setup Start by downloading SonarQube from the official website. Unzip and navigate to the bin directory, you should see multiple folders linux-x86-32 linux-x86-64 macosx-universal-64 windows-x86-32 windows-x86-64 Navigate into the folder depending on your current operating system, i.e. linux-x86-64. Execute Read more…
In this short tutorial we focus on writing/reading Java Properties files without external dependencies. Quoting Wikipedia: .properties is a file extension for files mainly used in Java related technologies to store the configurable parameters of an application. They can also Read more…
The XRebel Java Profiler ist a lightweight Java Profiler frmo zeroturnaround, the makers of JRebel and also the Optimizer for Eclipse Plugin (Speeding up Eclipse). To include the profiler in your web application, a single VM argument needs to be Read more…
What are transactions and why do we need them? The classic, relational database systems, such as MySQL, Postgres come with ACID (Atomicity, Consistency, Isolation, Durability). We start a transaction, execute our database changes and commit. If a single action fails, Read more…
Java 8 introduced Lambas (or Closures). The Iterable and the Collection interface received some new methods. The API allows a functional programming approach – which was barely possible before. In this Java 8 Lambda Tutorial, I want to introduce you Read more…
Java 8 contains a brand new Joda-time inspired Date Time API within the java.time package. About time! The following image offers an overview of the API’s structure. LocalDate Let’s have a look at java.time.LocalDate first. A LocalDate represents a Read more…
Jsoup is a library allowing us to parse HTML from an URL, file or string Extract data from the DOM, i.e. by using CSS selectors Manipulate HTML elements, attributes and texts Generate clean HTML In this Jsou tutorial, I am going Read more…
Boilerplate Code is code that you have to write in many places with minimale, if not none at all, change, just because you HAVE TO. The best examples are getters, setter, equals or hashcode methods. How many methods like public Read more…