Projects

2025

• https://github.com/paiv/dilemma
  Tit for Tat, the Evolution of Cooperation
• https://github.com/paiv/milp-julia
  Math Programming With Julia: LP/MIP problems
• https://github.com/paiv/mtmc16
  MTMC-16 Montana Mini-Computer
  
• https://github.com/paiv/qoiview
  QOI image thumbnails and quick look
  
• https://paiv.github.io/latynka/wordle.html
  Wordle in Ukrainian Latin script
  

2024

• https://paiv.github.io/vim-keyguide/
  Vim commands in alphabetical order
• https://github.com/paiv/unqch
  Unpack QCH compressed help files
• https://github.com/paiv/template-py
  a template processor
• https://github.com/paiv/uklatn
  Ukrainian Cyrillic transliteration to Latin script
• https://github.com/paiv/tag-input-swiftui
  TokenField input in SwiftUI
  
• https://paiv.github.io/webgpu-game-of-life/
  WebGPU tutorial: Conway's Game of Life
  
• https://paiv.github.io/ukraine-toponyms/
  Ukrainian toponyms
• https://github.com/paiv/osmpbf
  OpenStreetMap OSM PBF data reader
• https://github.com/paiv/punycode-js
  Punycode string encoder and decoder
• https://github.com/paiv/json-c
  JSON streaming parser reader and writer

2023

• https://github.com/paiv/local-tracer-swift
  Primitive tracing with flame graph export
• https://paiv.github.io/latynka-keyboard/
  How to type in Ukrainian Latin

2022

• https://paiv.github.io/swift-rxbgen/
  RegexBuilder snippet generator from textual regex
  
• https://github.com/paiv/tiff-analysis
  TIFF parsing demo
• https://paiv.github.io/midnight-protocol/hacker-chess/
  Hacker Chess
  

2021

• https://github.com/paiv/ios13-linkview
  iOS 13 Link View demo
  
• https://github.com/paiv/uxn-ios
  An Uxn emulator for iOS
  
• https://github.com/paiv/avaudiosession-explorer
  A tool to explore AVAudioSession (iOS) configuration parameters
  
• https://github.com/paiv/gemini-client
  Basic client for project Gemini
• https://gist.github.com/paiv/5791fe34277e8387a7611b589d39312e
  Bit textures generation tutorial
• https://github.com/paiv/figma-local-fonts
  Serve font files from a local directory to Figma web page
• https://github.com/paiv/mindmap
  Partial dumper of old MindNode files
• https://gist.github.com/paiv/2768ca80d09ea5f7f263666746b90189
  Maze generation tutorial
• https://github.com/paiv/imagen
  Fill iPhone storage with generated images
  

2020

• https://github.com/paiv/warmth
  Night Shift and shade control in status menu
  
• https://github.com/paiv/swift-pcg-random
  PCG Random for Swift language

2019

• https://github.com/paiv/jpeg-reader
  JPEG parser analyzer
• https://github.com/paiv/snake
  Snake the game
• https://github.com/paiv/default-browser
  Intercept desktop links with default browser
  

2017

• https://gist.github.com/paiv/1e01aca5be1842fa09da5bb5f3934551
  Game of Life tutorial
• https://github.com/paiv/priorityqueue-swift
  Priority queue in Swift
• https://github.com/paiv/latynka
  Browser extension to present Ukrainian Cyrillic in Latin script
  
• https://github.com/paiv/oop_study
  OOP tutorial in different languages

2016

• https://paiv.github.io/fci-breeds/
  List of dog breeds recognized by the FCI
• https://github.com/paiv/security-container-ios
  Lock screen UI pattern
• https://github.com/paiv/mnist-bnns
  Run MNIST TensorFlow deep neural network on iOS BNNS
  
• https://gist.github.com/paiv/9490c20e6d985f512fab
  mathcalc.js calculator parser tutorial
• https://github.com/paiv/html5.2x.game
  Game Programming with HTML5
• https://gist.github.com/paiv/8d08144186d33737f1df
  Fix audio levels on Coursera ML course

2015

• https://gist.github.com/paiv/b4f76fc236fc6a3d956b
  Reproduce .NET String GetHashCode
• https://github.com/paiv/ml-text
  Smartling Text Classifier Library
• https://github.com/paiv/filetype-detector
  Smartling File Type Detector Service

2012

• https://github.com/paiv/AngleGradientLayer
  Angle gradients for iOS
  

2004

• https://github.com/paiv/largenum
  Multi-precision arithmetic library in plain C++

Puzzles and competitions

AoC

2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015

• https://github.com/paiv/aoc-intcode-tutorial
  Tutorial building Intcode machine of Advent of Code 2019

Synacor Challenge

• https://github.com/paiv/synacor-challenge
  Solving the Synacor Challenge
• https://github.com/paiv/synasm
  Synacor VM assembler

ICFPC

2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2010 2006

picoCTF

2019 2018

More

• i18n puzzles
• Marches & Gnats Turing machine
• Facebook Hacker Cup 2021
• Sapka contest 2009