Welcome to northCoder

Three ways (and one legacy way) to customize data being exported from DataTables to targets such as Excel, PDF, CSV, etc.

A closer look at what it means to convert between different character encodings in Java. Along the way, this includes a review of char, byte and int primitives, and some ways to handle hexadecimal values stored in strings.

There are a few tutorials on how to run a web application using embedded Tomcat. They are all informative, and none of them work.

A basic, self-contained WebSockets demo where messages generated by Javalin (Java) are sent to a web page containing a DataTable

A minimal guide to setting up a minimal web application in Eclipse, using Maven as the dependency manager (as opposed to using an Eclipse Dynamic Web Project).

It’s possible to access a wide array of data about your RabbitMQ installation using the RabbitMQ management API - a REST API which returns JSON responses. Some of the data can be a bit unintuitive without an explanation, and the documentation was initially a bit hard to find… Here are some notes…

A small demo app showing some features of Spring Boot for handling a Thymeleaf template, a JSON request, using Spring JdbcTemplate, with some Java records, lambdas and streams. The demo uses a server-side DataTable for the demo. Not intended for production use.

A very basic Maven-based set-up for a Jakarta EE 9 web app (servlet) running on Tomcat 10, using NetBeans 13.

Two different configurations for my SSL certificate: one for Tomcat and another for embedded Jetty.

Because I can never remember what the abbreviations mean.