# Table of contents

1. Hello World was my first post. A good way to start.
2. π Generator generates the well-known mathematical constant π.
3. Rectangles draws colored rectangles coming from one of the four corners of the screen.
4. Circle Walk simulates different circles going around the center and influencing each other.
5. Moving has light-blue rectangles, which bounce off each other.
6. Polygons draws shapes from the triangle up to the 255-gon.
7. Clean up your Mac is a small command you should never (!) execute.
8. Circle Walk II has little circles going around the center.
9. Colors V draws mathematically constructed gradients.
10. Colors V – Other Results shows different functions with different results.
11. Happy Easter is a little gif I made to celebrate easter.
12. Colors V – Other Results 2 shows a picture containing pure randomness.
13. Colors V – Reupload is just a reupload of my previous pictures regarding Colors.
14. Bobbles uses a function seen in Colors, but illustrates it using round entities.
15. φ Generator generates the golden ratio.
16. Hangman lets you play a round of Hangman.
17. Rand Pix has a queue of pixels moving across the screen, changing color.
18. FS Letters shows the filesystem in a new way.
19. Plant Mimic tries to mimic the behavior of a growing root.
20. Circle Crawler uses vector mathematic to create interesting shapes.
21. Bouncing simulates a ball falling to the ground, recoiling in the air and falling again.
22. Worldwide Pinhole Day is a gif regarding said event.
23. Star draws moving stars.
24. Rain simulates a rainy day.
25. Circle Splatter uses – once again – vector mathematic to allow for an interesting interaction with a circle.
26. Firefox Unicorn shows an easter egg I found in Firefox.
27. Shaper has a number of points which randomly move and uses them to create shapes.
28. Shadow simulates the shadow one light source makes when illuminating polygons.
29. Graph Sim is a random graphing program. Also includes useless calculations.
30. Colors VI is the next version of Colors. It also creates gradients.
31. JClock II tries a new approach at our normal clock.
32. Pentecost is a gif regarding Pentecost.
33. Prime Spiral writes out prime numbers in a spiral.
34. Boxes neatly creates colored rectangles.
35. Grow is a gif showing a plant’s life.
36. Jetris is a Tetris clone I basically made in 24 hours.
37. Jong is a Pong clone. Computer play included.
38. Dig is a gif about a little pixel guy trying to reach earth’s core.
39. Jake is a Snake clone.
40. FS Letters II shows the filesystem in a different way (improved code).
41. Bubbletree renders differently sized, gray circles going across the screen.
42. Primes shows the prime numbers in yet another way.
43. Circle Mover contains entities which randomly move across the screen while drawing a line behind them.
44. Gradient Drawer combines mathematic with mouse movement to create fancy pictures.
45. JClock III takes the 7-segment clock and gives it a different spin.
46. Jic-Jac-Joe lets you play Tic-tac-toe on your computer. Dumb computer included.
47. Sierpinski Triangle creates said triangle using randomness.
48. Prime Spiral II shows the prime spiral in a rounder version.
49. Menger Sponge creates said sponge.
50. Bobble Throw lets you throw little, light-blue bobbles around the screen.
51. Jeakout is a simple Breakout clone I made.
52. Pattern creates interesting patterns using colorful entities.
53. JClock IV uses pygame’s arc function to display time in a different way.
54. Ceasar Cipher encrypts your secret messages in the roman way.
55. Jonnect Jour brings the famous board game Connect Four to Python.
56. Jasteroids is my attempt at recreating Asteroids in Python.
57. Random Resource Locator searches the web for random resources.
58. Stacking Stones is a collection of a few stone stacks I made.
59. Trippy draws flashy colored circles on a black background.
60. R-Lines may be the most inefficient way to fill the screen with pure white.
61. J-Filters shows three digital image filters I made.
62. Space Adventures illustrates the beauty of pixel-space.
63. Primes II combines primes with π.
64. J-Filters II uses software to enhance digital images.
65. Text Scrambler shows the interesting behavior of our brain regarding reading.
66. JClock V lets time pass by in yet another way.
67. Pastel uses random numbers to create beauty.
68. Pygame Bug demonstrates a bug in a pygame function I found.
69. J-Filters III is another filter for digital images.
70. Sand lets you throw sand around your screen.
71. JDrawer is alternative drawing tool.
72. Gradient Triangles draws triangular gradients using vectors.
73. Flare calculates with vectors to create glowing effects.
74. c’t-Racetrack is my attempt at a problem proposed by c’t.
75. e Generator approximates Euler’s constant.
76. Spiral simulates a spinning disk emitting particles.
77. Halloween is my gif regarding this specially spooky date.
78. Langton’s Ant simulates said ant.
79. Prime Remainders visualizes the remainders of primes.
80. JClock VI simulates the basic clock face.
81. JClock VII uses primes and prime factorization to display time.
82. Sailing shows our little pixel hero travelling across the sea.
83. Text Spinner takes your text input and spins it.
84. Bubbles shows colorful bubbles.
85. Sleeper is not the most active program I have ever written.
86. First Sunday in Advent illustrates the first candle’s lighting.
87. c’t-Racetrack II is my second attempt at solving the racing problem.
88. Second Sunday in Advent illustrates the second candle’s lighting.
89. Mandelbrot Set zooms deeply into this beautiful fractal.
90. Third Sunday in Advent illustrates the third candle’s lighting.
91. π Approximation uses an equation from Euler to approximate π.
92. Fourth Sunday in Advent illustrates the fourth candle’s lighting.
93. Merry Christmas is my animated gif regarding christmas.
94. Spinning Shapes uses lines to draw intricate shapes.
95. Prime Circle visualizes primes using circles.
96. Happy new Year wishes you a wonderful 2016.
97. White Fireworks – again – wishes you a wonderful 2016.
98. Rotating Squares colors in some squares and spins them around.
99. J-Filters IV manipulates a digital image with a spin.
100. The hundredth Post is my 100th post!
101. Moving Fonts uses pygame’s font module to display various fonts.
102. Colored Rectangles draws colored rectangles onto the screen.
103. J-Filters V tries to find edges in digital images.
104. Conway’s Game of Life simulates a well-known cellular automaton.
105. J-Filters VI spirals a digital image into the center, distorting it.
106. Haferman Carpet shows off an interesting mathematical fractal.
107. Look-and-Say Sequence generates Conway’s fascinating sequence.
108. Surfing shows the little pixel guy hitting the waves.
109. RGB Color Cube simulates a journey through a cube filled with color.
110. Palindromic Primes generates prime numbers which are palindromes.
111. Pascal’s Triangle is my approach at visualizing his triangle.
112. Happy Easter II wishes you a happy easter in 2016.
113. First Anniversary, J-Blog is 1 year old… Can you believe it?
114. Prime-Generating Formula shows a neat formula I came up with.
115. Jappy Jird clones the well-known mobile game Flappy Bird.
116. Factorization shows off a simple factorization code I wrote.
117. Sliding Puzzle ports the board game to pygame.
118. Jhat lets you chat on a LAN connection.
119. Worldwide Pinhole Day II celebrates this year’s Pinhole Day!
120. Pinhole Photograph shows off a photograph I took on this year’s Pinhole Day.
121. Koch Snowflake generates the famous infinite fractal.
122. Colors is a gif about color.
123. Connect Four shows off my first published TI-84 Plus BASIC program.
124. Pentecost II is my gif regarding Pentecost 2016.
125. TI-99/4A Primes teaches an old computer to calculate primes.
126. Sierpinski TIrangle brings this famous triangle to the TI graphing calculator.
127. Cycloids shows off these beautiful mathematical curves.
128. Leaf is a haiku-gif combination about a leaf.
129. Numerals converts numbers into their word form.
130. Jimon recreates the famous memory game.
131. Palindrome Function calculates a number’s palindrome in a convoluted way.
132. RGB Jallenge challenges your rgb knowledge.
133. Triangular Squares generates triangle numbers whose square root is an integer.
134. Weekday determines a given date’s weekday.
135. JClock VIII uses complex numbers to display time.
136. Sudoku Solver solves a given Sudoku!
137. Web Sudoku Solver solves a given Web Sudoku!
138. Jetris CE is my second, shell-based Tetris clone.
139. Curses Cam combines pygame’s camera support with curses to create shell images.
140. Collatz Conjecture visualizes the 3n+1 problem.
141. J-Trix imitates the famous matrix hacker animation.
142. MicroCounter is my “Hello World” in micro computing.
143. Menger Sponge II renders the fractal in its full three-dimensional glory.
144. 99 Bottles of Beer prints lyrics codegolf style.
145. Halloween MMXVI tells the story of one person’s tragic end.
146. Brainfuck showcases this beautiful language and a Python interpreter I made.
147. Praiku calculates primes the haiku way.
148. Advent I, the first advent haiku.
149. MMXVI showcases the calculation for each day in december from the year’s digits.
150. Mandelbrot Set Miscalculations shows what the position of two lines can do.
151. Advent II, the second advent haiku.
152. Advent III, the third advent haiku.
153. Orange tells the tale of the orange that tumbled to the ‘ove.
154. Advent IV, the fourth advent haiku.
155. Christmas celebrates Jesus’ birthday in a haiku-Python way.
156. New Year celebrates the start of 2017 with a haiku.
157. Mandelbrot Set II shows off my newest Mandelbrot set viewer, written in Java.
158. Double-Slit Experiment presents an animation on this famous physics experiment.
159. Slitherlink Solver is a program which solves a given Slitherlink puzzle.
160. 4096 clones the world-famous game 2048.
161. Maze Solving solves — amazingly — amazing mazes.
162. A278328 showcases my first contribution to OEIS, palindromic differential squares.
163. Pi Day MMXVII celebrates this year’s Pi Day!
164. Bifurcation Diagram illustrates a simple function which evolves into a chaotic fractal.
165. Second Anniversary casts a retrospective glance at two years of J-Blog.
166. T-3PO tries to take over the world by solving noughts and crosses.
167. Easter MMXVII celebrates easter with an asciified egg and a haiku.
168. Multibrot Set generates fractal animations in Java.
169. Pinhole Photographs MMXVII, my pinhole depiction of nature.
170. JSweeper clones the world-famous game of Minesweeper.
171. A285494 talks about a series I contributed to the OEIS.
172. Mandelbrot Set ASCII Viewer uses vanilla Python 2.7 to display this marvelous fractal.
173. Tau Day MMXVII celebrates this year’s tau day.
174. Seventeen; 17.
175. Asciify turns ordinary pixel images into ASCII text.
176. Mandelbrot Set III showcases a Java application enabling the user to explore the fractal.
177. Cyclic Quine -> Qyclic Cuine.
178. Brainfuck X, a Brainfuck dialect capable of drawing color images.
179. Arithmetic Golfing showcases the journey to small formulas (counted in bytes).
180. Rainbowify; a colorful image filter.
181. TImg lets you view your images on your graphing calculator.
182. BMP Implementation in C defines functions for image and .bmp file manipulation.
183. Halloween MMXVII, a spooky sonnet.
184. Generic C / Python Polyglot showcases a polyglot template for said languages.
185. Fire Photographies — crumbled paper at night.
186. Animating the Quantum Drunkard’s Walk, a cellular automaton linked to random walks.
187. Python Matrix Module; matrix arithmetic and Gaussian elimination in Python 2.
188. Christmas MMXVII, a fractal-haiku combination celebrating christmas.
189. Lyapunov Fractal — visualizing population growth leads to fractal images.
190. Sorting in C, five sorting algorithms implemented in the C language.
191. Haiku — Water Droplet. Fluid poetry.
192. Pi Day MMXVIII, calculating pi using an improper integral.
193. BMP Implementation in C — Graphic Primitives; extending my C bmp library.
194. Third Anniversary celebrates this blog’s third year in existence.
195. Lichen, Extraterrestrials, Diodes #0, the zeroth entry in my image series LED.
196. Snippet #0 — a syntactically fascinating JavaScript snippet.
197. Worldwide Pinhole Day MMXVIII; showing this year’s pinhole photographs.
198. Truth is a command-line truth table creator.
199. Tau Day MMXVIII celebrates the truly superior constant.
200. Snippet #1 extends classical mutlidimensional calculus notation.
201. Heapsort — an implementation in C.
202. Interpreting brainfuck in C — an interpretation in C.
203. Snippet #2; low memory usage, low usability.
204. Conky Clock implements an ASCII-art clock.
205. Halloween MMXVIII spookily celebrating with a haiku.
206. Prime Intirety — all of them!
207. Symbolic Closed-Form Fibonacci: calculating a well-known sequence in an inefficient manner.
208. Winter MMXVIII — a tree-shaped quine.
209. Foam Cube Puzzle, solved using brute-force.
210. Kickboy #0. Kicking the ball.
211. Lichen, Extraterrestrials, Diodes #1: an amber light-emitting diode gazing at the moss.
212. Pi Day MMXIX, a π-inspired iteration quine.
213. Sudoku Generation uses lazy evaluation to generate sudoku puzzles of varying sizes.
214. krrp. My first ever language.
215. Mostly Misaligned Mirrors attempts to visualize and simulate a stochastic problem.
216. Factoids #0 shows off three mathematical factoids, two rigorously proved.
217. Mandelbrot set sketch in Scratch sketches the Mandelbrot set in Scratch.
218. Short brainfuck primes computes all primes representable as a short in brainfuck.
219. Digit sums proves one of Jack Reacher’s statements.
220. A325902 presents an OEIS sequence of mine.
221. Extending A056154 is about my discovery of $\mathrm{A056154}(13) = 49\,094\,174.$
222. Factoids #1 shows off three more factoids I discovered.
223. Generating the Prouhet-Thue-Morse sequence in brainfuck.
224. Non-uniform shuffling explores a subtly incorrect shuffling implementation.
225. Complete Contact Configurations computes correctly crafted cities.
226. Zpr'(h: a symbolic, directionally super-lazy esoteric programming language.
227. Colorful Time Prompt in zsh adds some temporal bling to a zsh command prompt.
228. Java’s Terseness — an oxymoron.
229. Lichen, Extraterrestrials, Diodes #2. The bulb’s not lit, as sadness hit.
230. Measly Mazes: meander machine-made masonry.
231. Moth; an ASCII-illustrated haiku.
232. Setting up a HTTPS Backend Using Go and Let’s Encrypt.

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