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@kconner
kconner / macOS Internals.md
Last active July 7, 2024 19:42
macOS Internals

macOS Internals

Understand your Mac and iPhone more deeply by tracing the evolution of Mac OS X from prelease to Swift. John Siracusa delivers the details.

Starting Points

How to use this gist

You've got two main options:

import React
import UIKit
class SecureImageView: UIView {
@objc var url: String = "" {
didSet {
do {
let imageUrl = URL(string: url)
let data = try Data(contentsOf: imageUrl!)
let image = UIImage(data: data)
@pilgwon
pilgwon / TCA_README_KR.md
Last active July 18, 2024 11:52
TCA README in Korean

The Composable Architecture

The Composable Architecture(TCA)는 일관되고 이해할 수 있는 방식으로 어플리케이션을 만들기 위해 탄생한 라이브러리입니다. 합성(Composition), 테스팅(Testing) 그리고 인체 공학(Ergonomics)을 염두에 둔 TCA는 SwiftUI, UIKit을 지원하며 모든 애플 플랫폼(iOS, macOS, tvOS, watchOS)에서 사용 가능합니다.

@V8tr
V8tr / AutoLayoutDSL.swift
Last active October 31, 2023 17:42
Auto Layout DSL
import UIKit
/// Represents a single `NSLayoutConstraint`
enum LayoutAnchor {
case constant(attribute: NSLayoutConstraint.Attribute,
relation: NSLayoutConstraint.Relation,
constant: CGFloat)
case relative(attribute: NSLayoutConstraint.Attribute,
relation: NSLayoutConstraint.Relation,
@senderle
senderle / hand-modify-pdf.md
Created September 23, 2020 15:03
So you want to modify the text of a PDF by hand

So you want to modify the text of a PDF by hand...

If you, like me, resent every dollar spent on commercial PDF tools, you might want to know how to change the text content of a PDF without having to pay for Adobe Acrobat or another PDF tool. I didn't see an obvious open-source tool that lets you dig into PDF internals, but I did discover a few useful facts about how PDFs are structured that I think may prove useful to others (or myself) in the future. They are recorded here. They are surely not universally applicable --
the PDF standard is truly Byzantine -- but they worked for my case.

h1,
h2,
h3,
h4,
h5,
h6 {
font-family: 'GT America', sans-serif;
}
div,
@GeekTree0101
GeekTree0101 / ASVideoNode-Feed-Example.swift
Last active January 13, 2021 03:01
Simple Video Feed Performance Improvement Experiment
import AsyncDisplayKit
struct VideoProcessing {
private static let loadOperation: OperationQueue = {
let operationQueue = OperationQueue()
operationQueue.maxConcurrentOperationCount = 3
operationQueue.name = "com.VideoFeedController.VideoLoaderOperation"
operationQueue.qualityOfService = .utility
return operationQueue
}()
@godrm
godrm / swift_api_guideline.md
Last active July 21, 2024 12:10
스위프트 API 가이드라인

1. 스타일/문법 리뷰

1-1 스위프트 API 디자인 가이드라인

https://swift.org/documentation/api-design-guidelines/

  • 사용할 때 기준으로 명확하게 작성하는 게 가장 중요한 지향점이다. 메소드나 프로퍼티 같은 개발 요소는 한 번만 선언하고 반복적으로 사용한다. API를 만들 때는 사용하기 명확하고 편하게 만들어야 한다. 설계를 검증할 때 선언 부분을 읽는 것만으로는 부족하다. 그 대신 사용하는 상황에서 맥락에 맞고 명확한 지 늘 고려해야 한다.

  • 명확한 표현이 압축한 간결성보다 더 중요하다. 스위프트 코드는 압축해서 간결하게 작성할 수 있지만, 단지 글자수를 줄여서 가장 짧은 코드를 만드는 게 목표는 아니다. 스위프트 코드의 간결성은 자연스럽게 반복적으로 재사용하는 코드(boilerplate)를 줄이는 기능과 강한 타입 시스템의 부수효과로 드러날 뿐이다.

@0xjac
0xjac / private_fork.md
Last active July 23, 2024 09:52
Create a private fork of a public repository

The repository for the assignment is public and Github does not allow the creation of private forks for public repositories.

The correct way of creating a private frok by duplicating the repo is documented here.

For this assignment the commands are:

  1. Create a bare clone of the repository. (This is temporary and will be removed so just do it wherever.)

git clone --bare git@github.com:usi-systems/easytrace.git

exec > /tmp/${PROJECT_NAME}_archive.log 2>&1
UNIVERSAL_OUTPUTFOLDER=${BUILD_DIR}/${CONFIGURATION}-universal
if [ "true" == ${ALREADYINVOKED:-false} ]
then
echo "RECURSION: Detected, stopping"
else
export ALREADYINVOKED="true"