How to stub non-deterministic dependencies

An elementary demonstration of how local storage works in HTML5.

blueshift(1) effect demonstration tools

demo gulp build of react, es6, less

Anatomy of a matplotlib figure

A PlantUML editor that provides common editing support such as code completion, syntax highlighting, and so on.

A sample login application for demonstrating sql injection and how to prevent it.

Implementation of various concepts of Computer graphics.

A illustrative collection of Cryptography routines, trying to make crypto less scary.

A demonstration and testing of paytm payment portal using nodejs

The CIdemo app gives an easily accessible interactive demonstration of frequentistic confidence intervals (CI's).

JavaScript-based spotlight overlay for tutorials, with input blocking.

A demonstration of how to import csv files containing Census Bureau population data, reformat, analyze and join that data with a shapefile using Pandas and then visualize and map the data using Matplotlib and Folium.

A demonstration of how to read in a csv of San Diego County private school addresses, geocode the addresses using Requests and the Census Geocoding Services API and merge the addresses with the original data source using Pandas.

The demo project for a CSS Grid/Flexbox presentation.

Code for Monday's and Tuesday's presentations on Android app development for EESTEC JLC Thessaloniki's App Wars event (Apr. 2017)

A PHP Nano Framework for experimentation, demonstration and testing.

For better understanding of far-field diffraction patterns obtained in coherent X-ray diffraction I wrote a simple stand-alone application for laptops with built-in web cams. It allows to see coherent effects from different systems, which can be simply exposed to the web camera being drawn on the paper. There is a number of similar applications …

Some experiments for web technology using CSS