markd2

#!/usr/sbin/dtrace -s

/* Run like:
% sudo csh
# ./spy.d $PROCESS_ID [$INTERESTING_PROBEPROV]

Prints a line of dashes every 5 seconds to delineate different experiments.
*/

#pragma D option quiet

jaredsinclair

# Set the build number to the current git commit count.
#
# Permanent home:
# https://gist.github.com/jaredsinclair/af6898f93674ee5923f3
#
# Based on: http://w3facility.info/question/how-do-i-force-xcode-to-rebuild-the-info-plist-file-in-my-project-every-time-i-build-the-project/
# Updated with dSYM handling from http://yellowfeather.co.uk/blog/auto-incrementing-build-number-in-xcode-revisited/

git=`sh /etc/profile; which git`
appBuild=`"$git" rev-list HEAD --count`

zwaldowski

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<!-- iOS 10, macOS Sierra, and friends bring a new logging subsystem that's
supposed to scale from the kernel, up to frameworks, and up to apps. It defaults
to a more regimented, privacy-focused approach that large apps and complex
systems need.

It, along with Activity Tracing introduced in iOS 8 and macOS Yosemite and the
Console app in macOS Sierra, hope to help you graduate from caveman debugging to

myell0w

import Foundation
import UIKit


/// Used to create a layout guide that pins to the top of the keyboard
final class KeyboardLayoutGuide {

    private let notificationCenter: NotificationCenter
    private let bottomConstraint: NSLayoutConstraint

smileyborg

// UICollectionView Objective-C example

- (void)viewWillAppear:(BOOL)animated {
    [super viewWillAppear:animated];
        
    NSIndexPath *selectedIndexPath = [[self.collectionView indexPathsForSelectedItems] firstObject];
    if (selectedIndexPath != nil) {
        id<UIViewControllerTransitionCoordinator> coordinator = self.transitionCoordinator;
        if (coordinator != nil) {
            [coordinator animateAlongsideTransition:^(id<UIViewControllerTransitionCoordinatorContext> context) {

lsavino

DEPRECATED for Xcode 10 🎈

(check out What's New in Swift at 11:40, slide 42)

Whole Module Compilation Optimizations: Why these terms are sometimes misleading

When you look up how to compile swift faster for debug builds, people very earnestly give advice that seems contradictory: you should "try using the whole module optimization flag," and also "never use whole module optimization for debugging". [^1]

This is confusing because some of us are using these two general words:

compilation: "turning text into an executable program"

joshavant

extension UIView {
    @objc func exerciseAmbiguityInLayoutRepeatedly() {
        if self.hasAmbiguousLayout {
            Timer.scheduledTimer(timeInterval: 0.5,
                                 target: self,
                                 selector: #selector(UIView.exerciseAmbiguityInLayout),
                                 userInfo: nil,
                                 repeats: true)
        }
    }

radianttap

#!/bin/bash

#Setup the environment
mkdir tmp_download
cd tmp_download

#Extract IDs
echo "Downloading the index"
wget -q https://developer.apple.com/videos/wwdc2019/ -O index.html
#	find parts of the document where data-released=true, all the way to the first H4 header where title of that talk is 

AvdLee

//
//  DarwinNotificationCenter.swift
//
//  Copyright © 2017 WeTransfer. All rights reserved.
//

import Foundation

/// A Darwin notification payload. It does not contain any userInfo, a Darwin notification is purely event handling.
public struct DarwinNotification {

zntfdr

// How to:
//  1. Open the Firebase Analytics Dashboard
//  2. Scroll to bottom, where you see the "Users by Device model" widget
//  3. Click "View device models" in that widget (this opens the "Tech details" Firebase Analytics page)
//  4. Above the table shown in the new page, click on the “Device model” drop down menu and select “OS with Version”
//  5. Make sure to select “OS with version” and not “OS Version”
//  6. On the top right corner of the page, click on the “Share this report” icon (next to the date)
//  7. Click “Download file” on the new side bar, then “Download CSV"
//  8. Open the file and select the iOS/Android breakdown raw data
//  9. Replace the sample data in this script with your data