a blind man in a dark cellar looking for a black cat that isn't there
not again in all the world's turning will there be terrains so wild and barbarous to try whether the stuff of creation may be shaped to man's will or whether his own heart is not another kind of clay

Streaming and Parsing a CSV File

Parsing a CSV file is a simple task, with great library support. This short example uses Commons CSV, together with Java streaming techniques. It also uses an enum, a lambda, a static factory method, a method reference, and other techniques. In other words, a combination of different tools, with some notes to help me remember it all.

Thymeleaf vs. SpEL vs. OGNL

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.