Learn how to effectively manage multiple Python versions globally and locally using Pyenv on Mac operating system.

Learn how to create new Functional Interfaces. Understand relation between Lambda Expression and Functional Interface.

Learn how to handle HTML form content type in Spring WebFlux (Functional Style) in this easy to follow guide. Useful caveats, tips and tricks.

This Java 8 guide provide information about Behavior Parameterization concept and implementation using Lambda Expression and other techniques.

Python NumPy tutorial to create multi dimensional array from text file like CSV, TSV and other. Example Source code in Python and Jupyter.