Personal Site of Andrei N. Ciobanu - Links

A Slower Speed of Light was developed in hopes of being used as an educational tool to explain special relativity in an easy-to-understand fashion.

Write down a command line to see help text for each argument.

Write down a command line to see help text for each argument.

Read Hacker News as an old paper.

A small detective game solved by querying a SQL database.

A browser puzzle built around recursive fractal pieces.

A lament for software that increasingly sidelines advanced users and local control.

Browse blogs linked on Hacker News.

Print your own analog cameras.

A playful piece about recursive imagery and Droste-style visual effects.

This is how students were learning about pointers.

A warning against collecting information without turning it into understanding.

Upcoming high performance computing book by Sergey Slotin.

Historical material on the earliest versions of C and its compilers.

It’s likely not a standard named fractal.

Darwin (1961) is one of the earliest programming games, where players write small machine-code programs that compete inside a shared memory 'arena'.

A Manifesto for Preserving Content on the Web.

Tool for making 9-patch borders.

A small project built around old photographs and family memory.

Lecture notes introducing randomized algorithms and probabilistic analysis.

A compact guide to debugging C programs with GDB.

A small essay defending links as one of the web's best habits.

Over 140,000 images from over 300 art and design collections in the UK, free for use in education Tags: art, archives.

Interview LeetCode questions plus video solutions nicely explained.

A wonderfully ridiculous hack that turns Notepad into a fast renderer.

Knuth's personal list of recommended non-technical reading.

Solve puzzles by thinking like a functional programmer.

The article describes a self-balancing cube that can stand on its corner by using three internal reaction wheels controlled by a feedback system.

calculusmadeeasy.org is an online version of Calculus Made Easy (1910) by Silvanus P.

A free online textbook for learning Prolog from the basics upward.

A reference on the unsettling cosmological thought experiment of Boltzmann brains.

Classical book to learn algorithms and data structures for competitive programming contests.

Method for generating heightmaps for computer graphics.

A compiler book from the T3X world.

A reference on the error of valuing only what can be easily measured.

Skip lists are simple and yet have the same asymptotic efficiency as much more complicated balanced trees.

A moody little game about light, darkness, and exploration.

An archive of Dijkstra's notes, essays, letters, and technical manuscripts.

A blunt take on license proliferation and why simplicity matters.

A reflection on gamification and why it is spreading far beyond games.

A reference on the famous phone phreak and countercultural media figure Joybubbles.

PI on a grid, random walk of digits, circular web-walk, histograms.

A reference on the idea that daily travel time tends to stay roughly constant.

A reference on the famous cellular automaton with surprisingly rich behavior.

A reference on Raymond Queneau's combinatorial poetry machine.

A small-web directory with a taste for rough edges and personal publishing.

Tthe author developed a practical method for accurately drawing rotated spheres by combining geometric intuition with spherical coordinates and rotation formulas, then translating that theory into a simple step-by-step drawing technique.

The original spinning ASCII donut rendered in famously compact C.

Dijkstra's overview of the programming universe.

Tetris game that plays with sand.