table of contents
: a colorful poem illustration.
Crashing GCC with 63 Bytes
, not counting a potential trailing
A Tour of C++
: Stroustrup’s 240 page C++ adaptor for those already familiar with the fundamentals of imperative programming.
jblog has moved.
To a fruitful next five and a half years.
Setting Up a HTTPS Backend Using Go and Let’s Encrypt
; an ASCII-illustrated haiku.
: meander machine-made masonry.
Lichen, Extraterrestrials, Diodes #2
. The bulb’s not lit, as sadness hit.
— an oxymoron.
Colorful Time Prompt in zsh
adds some temporal bling to a zsh command prompt.
: a symbolic, directionally super-lazy esoteric programming language.
Complete Contact Configurations
computes correctly crafted cities.
explores a subtly incorrect shuffling implementation.
Generating the Prouhet-Thue-Morse sequence in brainfuck
shows off three more factoids I discovered.
is about my discovery of
A𝟢𝟧𝟨𝟣𝟧𝟦(𝟣𝟥) = 𝟦𝟫 𝟢𝟫𝟦 𝟣𝟩𝟦
presents an OEIS sequence of mine.
proves one of Jack Reacher’s statements.
Short brainfuck Primes
computes all primes representable as a
Mandelbrot set sketch in Scratch
sketches the Mandelbrot set in Scratch.
shows off three mathematical factoids, two rigorously proved.
Mostly Misaligned Mirrors
attempts to visualize and simulate a stochastic problem.
. My first ever language.
uses lazy evaluation to generate sudoku puzzles of varying sizes.
Pi Day MMXIX
, a π-inspired iteration quine.
Lichen, Extraterrestrials, Diodes #1
: an amber light-emitting diode gazing at the moss.
. Kicking the ball.
Foam Cube Puzzle
, solved using brute-force.
— a tree-shaped quine.
Symbolic Closed-Form Fibonacci
: calculating a well-known sequence in an inefficient manner.
— all of them!
: spookily celebrating with a haiku.
implements an ASCII-art clock.
; low memory usage, low usability.
Interpreting brainfuck in C
— an interpretation in C.
— an implementation in C.
extends classical mutlidimensional calculus notation.
Tau Day MMXVIII
celebrates the truly superior constant.
is a command-line truth table creator.
Worldwide Pinhole Day MMXVIII
; showing this year’s pinhole photographs.
Lichen, Extraterrestrials, Diodes #0
, the zeroth entry in my image series LED.
celebrates this blog’s third year in existence.
BMP Implementation in C — Graphic Primitives
; extending my C bmp library.
Pi Day MMXVII
, calculating pi using an improper integral.
Haiku — Water Droplet
. Fluid poetry.
Sorting in C
, five sorting algorithms implemented in the C language.
— visualizing population growth leads to fractal images.
, a fractal-haiku combination celebrating Christmas.
Python Matrix Module
; matrix arithmetic and Gaussian elimination in Python 2.
Animating the Quantum Drunkard’s Walk
, a cellular automaton linked to random walks.
-- crumbled paper at night.
Generic C / Python Polyglot
showcases a polyglot template for said languages.
, a spooky sonnet.
BMP Implementation in C
defines functions for image and
lets you view your images on your graphing calculator.
; a colorful image filter.
showcases the journey to small formulas (counted in bytes).
, a brainfuck dialect capable of drawing color images.
↦ Qyclic Cuine.
Mandelbrot Set III
showcases a Java application enabling the user to explore the fractal.
turns ordinary pixel images into ASCII text.
Tau Day MMXVII
celebrates this year’s tau day.
Mandelbrot Set ASCII Viewer
uses vanilla Python 2.7 to display this marvelous fractal.
talks about a series I contributed to the OEIS.
clones the world-famous game of Minesweeper.
Pinhole Photographs MMXVII
, my pinhole depiction of nature.
generates fractal animations in Java.
celebrates easter with an asciified egg and a haiku.
T-3PO — Tic-Tac-Toe Played Optimally
tries to take over the world by solving noughts and crosses.
casts a retrospective glance at two years of J-Blog.
illustrates a simple function which evolves into a chaotic fractal.
Pi Day MMXVII
celebrates this year’s Pi Day!
showcases my first contribution to OEIS, palindromic differential squares.
solves — amazingly — amazing mazes.
clones the world-famous game “2048”.
is a program which solves a given Slitherlink puzzle.
presents an animation on this famous physics experiment.
Mandelbrot Set II
shows off my newest Mandelbrot set viewer, written in Java.
celebrates the start of 2017 with a haiku.
celebrates Jesus’ birthday in a haiku-Python way.
, the fourth Advent haiku.
tells the tale of the orange that tumbled to the ’ove.
, the third Advent haiku.
, the second Advent haiku.
Mandelbrot set miscalculations
shows what the position of two lines can do.
showcases the calculation for each day in December from the year’s digits.
, the first Advent haiku.
calculates primes the haiku way.
showcases this beautiful language and a Python interpreter I made.
tells the story of one person’s tragic end.
99 Bottles of Beer
prints lyrics codegolf style.
Menger Sponge II
renders the fractal in its full three-dimensional glory.
is my “Hello World” in micro computing.
imitates the famous Matrix hacker animation.
𝟥𝑛 + 𝟣
combines Pygame’s camera support with curses to create shell images.
is my second, shell-based Tetris clone.
Web Sudoku Solver
solves a given Web Sudoku!
solves a given Sudoku!
uses complex numbers to display time.
determines a given date’s weekday.
generates triangle numbers whose square root is an integer.
challenges your rgb knowledge.
calculates a number’s palindrome in a convoluted way.
recreates the famous memory game.
converts numbers into their word form.
is a haiku-gif combination about a leaf.
shows off these beautiful mathematical curves.
brings this famous triangle to the TI graphing calculator.
teaches an old computer to calculate primes.
is my gif regarding Pentecost 2016.
shows off my first published TI-84 Plus BASIC program.
is a gif about color.
generates the famous infinite fractal.
shows off a photograph I took on this year’s Pinhole Day.
Worldwide Pinhole Day II
celebrates this year’s Pinhole Day!
lets you chat on a LAN connection.
ports the board game to pygame.
shows off a simple factorization code I wrote.
clones the well-known mobile game Flappy Bird.
shows a neat formula I came up with.
, J-Blog is 1 year old… Can you believe it?
Happy Easter II
wishes you a happy easter in 2016.
is my approach at visualizing his triangle.
generates prime numbers which are palindromes.
RGB Color Cube
simulates a journey through a cube filled with color.
shows the little pixel guy hitting the waves.
generates Conway’s fascinating sequence.
shows off an interesting mathematical fractal.
spirals a digital image into the center, distorting it.
Conway’s Game of Life
simulates a well-known cellular automaton.
tries to find edges in digital images.
draws colored rectangles onto the screen.
uses pygame’s font module to display various fonts.
The Hundredth Post
is my 100th post!
manipulates a digital image with a spin.
colors in some squares and spins them around.
— again — wishes you a wonderful 2016.
Happy New Year
wishes you a wonderful 2016.
visualizes primes using circles.
uses lines to draw intricate shapes.
is my animated gif regarding Christmas.
Fourth Sunday in Advent
illustrates the fourth candle’s lighting.
uses an equation from Euler to approximate
Third Sunday in Advent
illustrates the third candle’s lighting.
zooms deeply into this beautiful fractal.
Second Sunday in Advent
illustrates the second candle’s lighting.
c’t Racetrack II
is my second attempt at solving the racing problem.
First Sunday in Advent
illustrates the first candle’s lighting.
is not the most active program I have ever written.
shows colorful bubbles.
takes your text input and spins it.
shows our little pixel hero travelling across the sea.
uses primes and prime factorization to display time.
simulates the basic clock face.
visualizes the remainders of primes.
simulates said ant.
is my gif regarding this specially spooky date.
simulates a spinning disk emitting particles.
approximates Euler’s constant.
is my attempt at a problem proposed by c’t.
calculates with vectors to create glowing effects.
draws triangular gradients using vectors.
is alternative drawing tool.
lets you throw sand around your screen.
is another filter for digital images.
demonstrates a bug in a Pygame function I found.
uses random numbers to create beauty.
lets time pass by in yet another way.
shows an interesting behavior of our brain regarding reading.
uses software to enhance digital images.
combines primes with
illustrates the beauty of pixel-space.
shows three digital image filters I made.
may be the most inefficient way to fill the screen with pure white.
draws flashy colored circles on a black background.
is a collection of a few stone stacks I made.
Random Resource Locator
searches the web for random resources.
is my attempt at recreating Asteroids in Python.
brings the famous board game Connect Four to Python.
encrypts your secret messages in the roman way.
uses pygame’s arc function to display time in a different way.
creates interesting patterns using colorful entities.
is a simple Breakout clone I made.
lets you throw little, light-blue bobbles around the screen.
creates said sponge.
Prime Spiral II
shows the prime spiral in a rounder version.
creates said triangle using randomness.
lets you play Tic-tac-toe on your computer. Dumb computer included.
takes the 7-segment clock and gives it a different spin.
combines arithmetic with mouse movement to create fancy pictures.
contains entities which randomly move across the screen while drawing a line behind them.
shows the prime numbers in yet another way.
renders differently sized, gray circles going across the screen.
FS Letters II
shows the filesystem in a different way (improved code).
is a Snake clone.
is a gif about a little pixel guy trying to reach earth’s core.
is a Pong clone. Computer play included.
is a Tetris clone I basically made in 24 hours.
is a gif showing a plant’s life.
neatly creates colored rectangles.
writes out prime numbers in a spiral.
is a gif regarding Pentecost.
tries a new approach at our normal clock.
is the next version of Colors. It also creates gradients.
is a random graphing program. Also includes useless calculations.
simulates the shadow one light source makes when illuminating polygons.
has a number of points which randomly move and uses them to create shapes.
shows an easter egg I found in Firefox.
uses — once again — vector mathematic to allow for an interesting interaction with a circle.
simulates a rainy day.
draws moving stars.
Worldwide Pinhole Day
is a gif regarding said event.
simulates a ball falling to the ground, recoiling in the air and falling again.
uses vector mathematic to create interesting shapes.
tries to mimic the behavior of a growing root.
shows the filesystem in a new way.
has a queue of pixels moving across the screen, changing color.
lets you play a round of Hangman.
generates the golden ratio.
uses a function seen in Colors, but illustrates it using round entities.
Colors V — reupload
is just a reupload of my previous pictures regarding Colors.
Colors V — other results II
shows a picture containing pure randomness.
is a little gif I made to celebrate easter.
Colors V — other results
shows different functions with different results.
draws mathematically constructed gradients.
Circle walk II
has little circles going around the center.
Clean up your mac
is a small command you should never (!) execute.
draws shapes from the triangle up to the 255-gon.
has light-blue rectangles, which bounce off each other.
simulates different circles going around the center and influencing each other.
draws colored rectangles coming from one of the four corners of the screen.
generates the well-known mathematical constant
was my first post. A good way to start.