swiftui-lab

// Author: SwiftUI-Lab (swiftui-lab.com)
// Description: Implementation of the showSizes() debugging modifier
// blog article: https://swiftui-lab.com/layout-protocol-part-2

import SwiftUI

struct MeasureExample: View {
    var body: some View {

        VStack {

utkukutlu

Android Navigation Component Dialog Fragment

lattner

Swift Concurrency Manifesto

Author: Chris Lattner

Chinese Translation by Jason Yu

Contents

• Introduction
• Overall Vision

ephemient

sealed class Optional<out T: Any> {
    abstract val isPresent: Boolean
}
object None : Optional<Nothing>() {
    override val isPresent: Boolean = false
}
data class Some<T: Any>(val value: T) : Optional<T>() {
    override val isPresent: Boolean = true
}
fun <T: Any> T?.asOptional(): Optional<T> = this?.let(::Some) ?: None

steipete

//
//  TSAN_OPTIONS.h
//  PSPDFKit
//
//  Copyright © 2016 PSPDFKit GmbH. All rights reserved.
//  Example code licensed under MIT. Enjoy!
//

#if __has_feature(thread_sanitizer)

jaredsburrows

import rx.Observable;
import rx.subjects.PublishSubject;
import rx.subjects.SerializedSubject;
import rx.subjects.Subject;

/**
 * @author <a href="mailto:[email protected]">Jared Burrows</a>
 */
public final class RxBus {
    private final Subject<Object, Object> bus = new SerializedSubject<>(PublishSubject.create());

chrislonge

import UIKit
import XCPlayground

XCPlaygroundPage.currentPage.needsIndefiniteExecution = true
let containerView = UIView(frame: CGRect(x: 0.0, y: 0.0, width: 375.0, height: 667.0))
containerView.backgroundColor = UIColor.whiteColor()
XCPlaygroundPage.currentPage.liveView = containerView

var aboutTextView = UITextView(frame: CGRect(x: 12.0, y: 20.0, width: containerView.frame.size.width - 12.0, height: 200.0))
aboutTextView.textAlignment = .Left

baileysh9

func getProductIdFromReceipt(_ data:Data) -> String? //Swift 2: func getProductIdFromReceipt(data:NSData) -> String?
{
    //Swift 2: var p = UnsafePointer<UInt8>(data.bytes)
    //Swift 3
    var p : UnsafePointer? = (data as NSData).bytes.bindMemory(to: UInt8.self, capacity: data.count)
    
    let dataLength = data.length
        
    var type:Int32 = 0
    var tag:Int32 = 0

baileysh9

//Swift 2
//let octets = pkcs7_d_data(pkcs7_d_sign(receiptPKCS7).memory.contents)
//var ptr = UnsafePointer<UInt8>(octets.memory.data)
//let end = ptr.advancedBy(Int(octets.memory.length))

//Swift 3
let octets = pkcs7_d_data(pkcs7_d_sign(receiptPKCS7).pointee.contents)
var ptr = UnsafePointer<UInt8>(octets?.pointee.data)
let end = ptr?.advanced(by: Int((octets?.pointee.length)!))

plumhead

extension String {
    func size(withAttributes attrs: [String:AnyObject], constrainedTo box: NSSize) -> NSRect {
        let storage = NSTextStorage(string: self)
        let container = NSTextContainer(containerSize: NSSize(width: box.width, height: box.height))
        let layout = NSLayoutManager()
        layout.addTextContainer(container)
        storage.addLayoutManager(layout)
        storage.addAttributes(attrs, range: NSMakeRange(0, storage.length))
        container.lineFragmentPadding = 0.0
        let _ = layout.glyphRangeForTextContainer(container)