drewmccormack

# Enter two file names as arguments.
# Will print out the ones that appear in both files.
# This is a set intersection.
emails-common-to-both () {
  comm -12 -i  <(sort -u -f "$1") <(sort -u -f "$2");
};

# Enter two filenames.
# Will print emails from first that don't appear in second.
# This is like a set subtraction.

drewmccormack

import Foundation

struct Small {
    var i: Int
    var j: Int
}

var s = Small(i: 1, j: 2)

DispatchQueue.global(qos: .background).async {

drewmccormack

import Foundation
import SwiftUI
import Combine

let dateFormatter: DateFormatter = {
    let dateFormatter = DateFormatter()
    dateFormatter.locale = Locale(identifier: "en_US_POSIX")
    dateFormatter.dateFormat = "yyyy-MM-dd'T'HH:mm:ssZ"
    return dateFormatter
}()

drewmccormack

#!/usr/bin/env python

import sys, os.path
import os
import json
from xml.dom.minidom import parse

rootdir = os.getcwd()
lgPaths = ["iOS/AuthKitUI.lg", "iOS/CalendarUIKit.lg", "iOS/iCloudDriveSettings.lg", "iOS/MobileNotes.lg", "macOS/CalendarUI.lg", "macOS/Finder_FE.lg", "macOS/Finder_FinderKit.lg", "macOS/iCloudPrefPane.lg", "macOS/Notes.lg", "macOS/Reminders.lg", "macOS/TextEdit.lg"]
languageDirs = ["Dutch", "French"]

drewmccormack

Here is some SwiftUI code I have.
------
NavigationView {
    List(translations) { translation in
        Button(action: {
            self.dataSource.selectedTranslationId = translation.id
        }) {
            TranslationCell(translation: translation)
        }
    }

drewmccormack

import Foundation

struct NuclearPowerStationOperator {
    
    class Storage {
        var turnOffCores: Bool = false
        func copy() -> Storage {
            let new = Storage()
            new.turnOffCores = turnOffCores
            return new

drewmccormack

func flatMap<U, V, T>(_ i: U?, _ j: V?, block: (U, V)->T) -> T? {
    var result: T?
    if let i = i, let j = j { result = block(i,j) }
    return result
}

func flatMap<U, V, W, T>(_ i: U?, _ j: V?, _ k: W?, block: (U, V, W)->T) -> T? {
    var result: T?
    if let i = i, let j = j, let k = k { result = block(i,j,k) }

drewmccormack

    /// Verify the signature passed with the Paddle request parameters. 
    /// Details here: https://paddle.com/docs/reference-verifying-webhooks
    func verifyPaddleSignature(inParameters parameters: [String:String]) throws -> Bool {
        guard let signatureString = parameters[PaddleParameter.signature.rawValue],
            let signature = Data(base64Encoded: signatureString) else {
            return false
        }
        
        // Need to gather sorted parameters
        var signatureParameters = parameters

drewmccormack

#!/usr/bin/env bash

# If your OS X WiFi connection stops working, but can be fixed by 
# toggling WiFi off and then on, this script can help prevent mouse arm.
# Pings Apple's server repeatedly, toggling WiFi off/on when a connection times out.
while true ; do
  curl --head --silent --connect-timeout 10 http://www.apple.com/my-wifi-keeps-dropping-out > /dev/null
  if [ $? -ne 0 ] ; then
    networksetup -setairportpower en1 off
    networksetup -setairportpower en1 on

drewmccormack

BOOL CGImageIsOpaque(CGImageRef image)
{
    size_t width = CGImageGetWidth(image);
    size_t height = CGImageGetHeight(image);
    unsigned char pixelData[width * height];
    CGContextRef context = CGBitmapContextCreate( pixelData, width, height, 8, width, NULL, (kCGBitmapAlphaInfoMask & kCGImageAlphaOnly) );
    CGContextDrawImage( context, CGRectMake(0, 0, width, height), image );
    CGContextRelease( context );
    
    for (NSInteger i = 0; i < width * height; ++i) {