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import UIKit
import PlaygroundSupport
import Foundation

PlaygroundPage.current.needsIndefiniteExecution = true

//URLSessionTaskDelegate
//You use this protocol in one of two ways, depending on how you use a URLSession:
//If you create tasks with Swift’s async-await syntax, using methods like bytes(for:delegate:) and data(for:delegate:), you pass a delegate argument of this type. The delegate receives callbacks for things like task progress, while the call point awaits the completion of the task. A delegate that receives life cycle and authentication challenge callbacks as the transfer progresses.
//If you add tasks to the session with methods like dataTask(with:) and downloadTask(with:), then you implement this protocol’s methods in a delegate you set on the session. This session delegate may also implement other protocols as appropriate, like URLSessionDownloadDelegate and URLSessionDataDelegate. You can also assign a delegate of this type directly to the task to intercept callbacks before the task deliver

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/*
 * This is an example provided by Facebook are for non-commercial testing and
 * evaluation purposes only.
 *
 * Facebook reserves all rights not expressly granted.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NON INFRINGEMENT. IN NO EVENT SHALL
 * FACEBOOK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN

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#pragma mark - Article: https://sergey-nes.medium.com/enhance-your-swiftui-live-preview-workflow-with-previewlogger-6c768e7362a5

import SwiftUI

#pragma mark - ContentView

struct ContentView: View {
    @EnvironmentObject var previewLogger: PreviewLogger

    var body: some View {

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Vagrant and VMWare Tech Preview 21H1 on Apple M1 Pro

UPDATE November 20, 2022: VMWare Fusion 13

VMWare Fusion 13 is now released. Read Vagrant and VMWare Fusion 13 Player on Apple M1 Pro for the latest.

Summary

This document summarizes notes taken while to make the VMWare Tech preview work on Apple M1 Pro, it originated

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Apple Real Devices Debugging

What you need

• certificate--which tells your devices that Apple trust you
• a app id
• a test device
• a provisioning profile

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#!/bin/zsh
# Shell Script to create all relevant icons from an high resolution artwork

if [ "x$1" != "x" -a -f "$1" ] ; then
    INPUT=$1
else 
    INPUT="Artwork.png"
fi

if [ ! -f "$INPUT" ]; then

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###########
# general #
###########
# Replace C-b prefix with Alt+Space (so it won't clash with vim)

unbind C-b
set-option -g prefix M-Space
set-window-option -g mode-keys vi

set-option -g default-shell /usr/local/bin/fish

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#!/usr/bin/swift
import Foundation

class Bash {
    static var debugEnabled = false

    // save command search time
    static var commandCache: [String: String] = [:]
    
    @discardableResult

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import Cocoa

#if canImport(SwiftUI) && DEBUG
import SwiftUI
struct NSViewControllerPreview<ViewController: NSViewController>: NSViewControllerRepresentable {
    
    let viewController: ViewController
    
    init(_ builder: @escaping () -> ViewController) {
        viewController = builder()

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It often be helpful to be able to debug memory usage in Swift on Linux, for example to debug memory leaks.

This is a quick overview of how to generate a report of memory usage for your Swift app. This guide will only show you how to generate the report, not how to analyze it, it might be written up in a blog post later.

Install Valgrind

First we need to install a tool called Valgrind, which is used to trace memory usage.