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

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

// Open in Script Editor, and Export as an Application
// To use, drag files from folder onto Droplet
function openDocuments(docs) {

	var mail = Application("Mail")

	for (var i = 0; i < docs.length; i++) {
		var doc = docs[i].toString()
		var filename = doc.replace(/^.*[\\\/]/, '')
		

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) {

drewmccormack

// Dispatch
//
// Usage:
// Async dispatch to main queue
//     -->block
// Async dispatch to queue
//     queue --> block
// Sync dispatch to main queue
//     -->|block
// Sync dispatch to queue

drewmccormack

#import <Foundation/Foundation.h>

#if TARGET_OS_IPHONE && !defined(__IPHONE_7_0)
    #define __IPHONE_7_0 70000
#endif

#if !TARGET_OS_IPHONE && !defined(__MAC_10_9)
    #define __MAC_10_9 1090
#endif

drewmccormack

@implementation NSArray (AutoreleasePoolDraining)

-(void)enumerateObjectsDrainingEveryIterations:(NSUInteger)iterationsBetweenDrains usingBlock:(void (^)(id object, NSUInteger index, BOOL *stop))block
{
    NSUInteger total = 0;
    NSUInteger count = self.count;
    NSUInteger numberOfChunks = (count / MAX(1,iterationsBetweenDrains) + 1);
    BOOL stop = NO;
    for ( NSUInteger chunk = 0; chunk < numberOfChunks; chunk++ ) {
        @autoreleasepool {

drewmccormack

#import <Foundation/Foundation.h>

@interface NSString (MCHTMLToPlainTextConversion)

-(NSString *)stringByConvertingHTMLToPlainText;

@end