Spring is a popular framework to develop java application for enterprise with support to Groovy and Kotlin as alternative language. Spring and Spring Boot The Spring Framework was made to remove the boilerplate necessary to build an applicatio...

Other example with D3.js Because there was a lot of other example that I wanted to bring. Let’s say some more advanced ones. See part 1 for all the explanation and the inspiration for all of these examples. Tooltip A tooltip is like a little...

The Apache JMeter™ application is open source software, a 100% pure Java application designed to load test functional behavior and measure performance. It was originally designed for testing Web Applications but has since expanded to other test f...

D3.js Introduction D3.js is a javascript library developed by Mike Bostock (which was very proficient, giving a lot of examples). It basically uses an HTML <div> to create a SVG and use javascript to draw and update the svg components. You...

Here are some nice tips you can use while on the command line. This is not an exhaustive list. Bash commands sudo !! to redo the command above as sudo. (which is a special case of a wider rule) Use -x while running a script to have debug in...

Logging In your software, you want to log information for troubleshooting and make sure that everything behaves as it should. And in case an error occurred, to be able to find the root cause looking at the logs. There a multiple logging levels,...

We will be using the default java sockets to create a tcp server/client with Kotlin: import java.net.ServerSocket import java.net.Socket If you already know it in Java then no surprise, but since you might be interested in Ktor or the kotlin sy...

There are some information, that I feel are pertinent while messing around with a docker 🐳. May it be alone or to be deployed in a cluster. Here is my list of tips. Make that Docker run Let’s say you have an image named image to ease the annotat...

Introduction Jest is an Open source test framework developed by Facebook and compatible with a lot of framework. Jest is fast, and already pre-configured to get started with it. So it simply works for javascript. For typescript, you may need to...

Flexbox (Flexible Box Module) was designed as a one-dimensional layout model, meaning that you align and distribute item through one direction (either horizontal or vertical). It is very powerful and allow your layout to dynamically adjust based ...