Understanding Java's Long and Integer Cache
Java's Integer and Long classes have a built-in caching mechanism that helps reduce memory overhead and improve performance. This cache is used when autoboxing primitive types »
Install Oracle JDK without the installer on macOS
Download and mount the DMG for the JDK (in my case Java 8u291) Copy the package file in a temp folder Open a terminal and extract »
Capacitor and the Ionic Native Shake Plugin
In a client application (Android and iOS) I recently needed the shake gesture. Fortunately, there is an Ionic Native plugin for this. Although only iOS support »
Stencil components in Vue
Recently I build some components with Stencil for an Angular project. Unsurprisingly the created components also work well with Vue. There are two steps necessary. Here »
TSLint Warnings instead Errors in Webstorm
That TSLint rules in Webstorm are displayed as error messages is something that drives me nuts. Today I discovered that one can change that behaviour in »
Reduce JSF Session Size
The development of web applications requires the developer to store states. You may save them on the client, on the backend or also in a database. »
Write your own TypeScript Definition Files
Last Year I wrote a blog post about TypeScript and jQuery. I introduced TSD, a manager for TypeScript definition files. TSD, or Typings as TSD is »
Setting system properties for WildFly with a properties file
To set or override system properties without changing WildFly's configuration there is a CLI parameter "-p". Assuming you have a property file vweber.properties in /dev/ »
Guava's Multimap FTW
I often have the need for some kind of "grouped list". I have a key and a list of values. Usually I do the following: HashMap& »
Guava Joiner Class
Although I'm a long time user of Google Guava I discovered the class Joiner just a few days ago. Eventually everybody who's familiar with Googles Apache »
Where is my Code?
A lib I've used often lately is Project Lombok. Lombok fills the gap between Java and some C# syntactic sugar features that makes me slightly jealous »
Quick Tip: Remove IntelliJ IDEAs unused directories on OS X
After upgrading IntelliJ the old directories still remain unused. I suggest to delete them. Configuration Files: ~/Library/Preferences/<Tool><Version> Cache: ~/Library/ »
Frontend Logging with JavaFX and Log4j 2
Although I'm developing Java EE applications with HTML5, I sometimes have to build Java SE applications with a Frontend. I've used Swing or AWT in the »
Maven Plugin to check for Methods that are not implemented
Recently my former colleague, IBM Champion and also highly regarded friend Oliver Busse wrote a blog post called "Quick-Tip: never forget empty methods anymore". In summary, »
Tooltip: unirest - Lightweight HTTP Request Client Libraries
There are a lot of HTTP libraries available in the Java universe like the Apache HttpClient library. Also Java provides the HttpURLConnection class as a standard »