impala-query-parser

Contains instructions and helper libraries to allow you to parse SQL scripts in Apache Impala's dialect as part of your CI pipeline. Catching common mistakes / typos early in the development cycle has some significant productivity benefits.

nifi-starter

A starter project using Apache Nifi. In 3 quick steps it deploys an example flow that fetches Deutsche Börse data from AWS S3, aggregates it using a simple custom Nifi processor and invokes a Python script to produce a chart. Starting up Apache Nifi and getting a blank canvas can be daunting - this example will helps get over that inertia

forkjoinpool-blog

The code for the blog entry: https://www.devworx.co.uk/blog/Beware-The-ForkJoinPool-In-Web-Applications/index.html

xml-flattener

The XML Flattener converts hierarchical XML documents into table shaped rectangular data sets consisting of rows and columns.