Skip to content

Instantly share code, notes, and snippets.

View uvolchyk's full-sized avatar
🪄
Crafting

Uladzislau Volchyk uvolchyk

🪄
Crafting
View GitHub Profile
@eleev
eleev / AnimatedVoronoiFlowGradient.swift
Last active August 19, 2024 21:58
Animated Voronoi Flow Gradient
//
// VoronoiFlowGradient and the related sources
// Copyright (c) 2024 Astemir Eleev
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
@ole
ole / MyMainActor.swift
Last active October 23, 2023 20:46
A reimplementation of the basics of MainActor. Sample code for https://oleb.net/2022/how-mainactor-works/
import Dispatch
@globalActor
final actor MyMainActor {
// Don’t allow others to create instances
private init() {}
// Requirements from the implicit GlobalActor conformance
typealias ActorType = MyMainActor
@IanKeen
IanKeen / FocusState.swift
Last active June 26, 2024 07:34
SwiftUI: FocusedState shim for < iOS15
import Combine
import SwiftUI
extension View {
public func focused<T>(file: StaticString = #file, _ state: FocusState<T>, equals value: T) -> some View {
modifier(FocusedModifier(state: state, id: value, file: file))
}
}
@propertyWrapper
class AsyncOperation: Operation {
private(set) var taskHandle: Task.Handle<Void, Error>?
fileprivate enum State: Equatable {
case ready
case executing
case finished
}
fileprivate var state: State = .ready {
@CodaFi
CodaFi / AlgorithmW.swift
Last active July 28, 2024 10:04
A Swift Playground containing Martin Grabmüller's "Algorithm W Step-by-Step"
/// Playground - noun: a place where people can play
/// I am the very model of a modern Judgement General
//: # Algorithm W
//: In this playground we develop a complete implementation of the classic
//: algorithm W for Hindley-Milner polymorphic type inference in Swift.
//: ## Introduction
@steipete
steipete / SpinlockTestTests.swift
Last active August 29, 2023 08:47 — forked from RomanTruba/Synchronization_test_iOS_SDK10
Updated for Xcode 8, Swift 3; added os_unfair_lock
//
// SpinlockTestTests.swift
// SpinlockTestTests
//
// Created by Peter Steinberger on 04/10/2016.
// Copyright © 2016 PSPDFKit GmbH. All rights reserved.
//
import XCTest
@arturlector
arturlector / ios-questions-interview.md
Last active November 13, 2024 17:23
Вопросы на собеседование iOS разработчика.

Вопросы на собеседование iOS разработчика (дополненное издание):

General:

  • Что такое полиморфизм?

  • Что такое *инкапсуляция? Что такое *нарушение инкапсуляции?

  • Чем абстрактный класс отличается от интерфейса?

  • Расскажите о паттерне MVC. Чем отличается пассивная модель от активной?

@staltz
staltz / introrx.md
Last active November 19, 2024 18:00
The introduction to Reactive Programming you've been missing
@rossant
rossant / raytracing.py
Last active June 25, 2024 20:58
Very simple ray tracing engine in (almost) pure Python. Depends on NumPy and Matplotlib. Diffuse and specular lighting, simple shadows, reflections, no refraction. Purely sequential algorithm, slow execution.
"""
MIT License
Copyright (c) 2017 Cyrille Rossant
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is