Thymeleaf uses the Apache Commons OGNL (Object Graph Navigation Library). But there is also SpEL (the Spring Expression Language). This is a quick note on the differences - and an example where different behaviors may trip you up.

Be wary of using hyphens (dashes) in Thymeleaf expression names, as these can lead to some surprising results.

A look at how to draw shapes onto an image displayed in an HTML canvas. Also, how to display those shapes with rollovers and via links.

What starts out as a simple question (where do I put my JDBC drivers in Tomcat?) quickly leads down a rabbit hole…

Notes on the Lucene Classic Query Parser and its Syntax

What if we have certain values in a column (e.g. blanks/nulls) which should always be sorted to the end of the listing, regardless of whether the sort order is ascending or descending?

Unconfusing myself about Lucene’s proximity search functionality.

The power of simple examples in support of good design practices…

Notes on setting up a REST service on Tomcat 10 using JAX-RS and Jersey

Because terminology is important.