Recent Posts

What is the population of that region?

  • Chart, tables, and maps answering many interesting questions.
  • How many people live in various climates?
  • Contours of a given population density.
Published: Mon, 18 Dec 2023

Exploring a 3D city with just HTML and CSS

  • A city-building game without JavaScript.
  • Convert 3D .obj files to HTML elements.
  • Zoom, rotate, and move around your city.
  • Track population and view demand maps.
Published: Tue, 28 Nov 2023

Creating Chess Board SVGs, PNGs, and GIFs

  • Convert FEN string to an image.
  • Multiple formats including GIFs for animating moves.
  • Create a web component for easy embedding.
Published: Fri, 10 Nov 2023

6 Challenges to Make a JavaScript-free Game

  • Challenges when creating Fox and Geese with CSS.
  • Create a countdown clock, switch turns, take turns, and more.
  • Play against a tic-tac-toe bot.
Published: Fri, 03 Nov 2023

Fast and Light Character Recognition

  • Fast, lightweight recognition of pen input.
  • Train your own character set.
Published: Fri, 23 Jun 2023

Basic Sudoku Solving

  • Learn 19 solving techniques.
  • Test your knowledge with examples of each strategy.
Published: Fri, 23 Jun 2023

Parsing some LaTeX

  • Parse simple LaTeX into postfixable format.
  • Handle derivatives, integrals, matrices, sums, and more.
Published: Fri, 23 Jun 2023

Creating Interactive Maps with CSS

  • Use CSS to change colors and compute sums.
  • Create electoral college map.
Published: Fri, 23 Jun 2023

Clean Math Expressions of Unknown Syntax

  • Parse a variety of math syntaxes.
  • Accept Python, JavaScript, and some LaTeX.
  • Create an easy to postfix expression.
Published: Fri, 23 Jun 2023

Geographic Shapefiles to SVG

  • Use Python to convert shapefiles to SVG.
  • Use JavaScript to edit the shapes.
  • Create a server for all-in-one creation.
Published: Fri, 23 Jun 2023

How to Create CSS Sudoku Puzzles

  • Sudoku puzzles without any JavaScript.
  • Full featured and/or lightweight.
  • Customizable shapes and characters (emojis!).
Published: Fri, 23 Jun 2023

Filter Tables with CSS

  • Filterable tables without any JavaScript.
  • Import data from a Google Sheets doc.
  • Fully customizable filters.
Published: Fri, 23 Jun 2023

Sort Tables with CSS

  • Sortable tables without any JavaScript.
  • Sort rows and/or columns.
Published: Fri, 23 Jun 2023

Creating HTML Tables

  • An overview of creating HTML Tables.
  • Learn ways to import data.
  • Add tables to a static HTML file.
Published: Fri, 23 Jun 2023

Postfix More Expressions

  • Postfix most math expressions.
  • Deal with parentheses and negative numbers.
  • Trigonometric functions and logarithms.
Published: Fri, 23 Jun 2023

Postfix Without Parentheses

  • Postfix the simplest math expressions
Published: Fri, 23 Jun 2023

How to make curves from pointer inputs

  • Handle pen and stylus input
  • Create smooth curves
  • Save curves as downloadable image
Published: Fri, 23 Jun 2023