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Keybase proof

I hereby claim:

  • I am mattt on github.
  • I am mattt ( on keybase.
  • I have a public key whose fingerprint is 58FC 9E3A 40F3 5F72 E402 F6C0 2755 0012 282D EB01

To claim this, I am signing this object:

View multipart-http-basic.m
AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];
[manager.requestSerializer setAuthorizationHeaderFieldWithUsername:@"user" password:@"Pa55w0rd"]
NSURL *filePath = [NSURL fileURLWithPath:@"file://path/to/image.png"];
[manager POST:@"" parameters:nil constructingBodyWithBlock:^(id<AFMultipartFormData> formData) {
[formData appendPartWithFileURL:filePath name:@"image" error:nil];
} success:^(AFHTTPRequestOperation *operation, id responseObject) {
NSLog(@"Success: %@", responseObject);
View asciiwwdc-scraper.rb
require 'open-uri'
require 'nokogiri'
year = 2014
doc = Nokogiri::HTML(open("{year}/"))"").each do |download|
href ="a").attr('href')
uri = URI(href)
uri.path = uri.path.split('/')[0...-1].join('/') + '/'
View interrobang.swift
postfix operator {}
postfix func (value: Bool) -> Bool {
return arc4random_uniform(2) == 0
prefix operator {}
prefix func (value: Bool) -> Bool {
return value
mattt / もじれつ.swift
Last active Aug 29, 2015
Terrible misuse of Swift literal convertibles to automatically create Hiragana transliteration of string value.
View もじれつ.swift
struct もじれつ: Printable {
let description: String
init(string: String) {
var mutableString = NSMutableString(string: string) as CFMutableString
if CFStringTransform(mutableString, nil, kCFStringTransformLatinHiragana, 0) == 1 {
self.description = mutableString as NSString
} else {
self.description = string
View phones.rb
module Keats
module Phones
"B" => "b", # b - Lower-case B <be> voiced bilabial plosive
"CH" => "t\312\203", # tʃ - T-Esh ligature <cheese> voiceless postalveolar affricate
"D" => "d", # d - Lower-case D <dee> voiced dental or alveolar plosive
"DH" => "\303\260", # ð - Eth <thee> voiced dental fricative
"F" => "f", # f - Lower-case F <fee> voiceless labiodental fricative
"G" => "g", # g - Lower-case G <green> voiced velar plosive
"HH" => "h", # h - Lower-case H <he> voiceless glottal fricative
mattt /
Created May 27, 2015
Rocket: a hybrid approach to real-time cloud applications

This document was originally posted on 8/1/2013.

Rocket is a technique for building real-time functionality on top of REST web services that leverages web standards like [Server-Sent Events][SSE] and [JSON Patch][RFC6902]. Most importantly, it fits comfortably with how you're already building applications.

A Tale of Two Paradigms

Just as light can act as both a particle and a wave, so information can be thought as both a document and a stream.

Each approach has its particular strengths and weaknesses:

View NSAssertionHandler.m
/** NSAssertionHandler - Object encapsulation of assertions
Copyright (C) 1995, 1997 Free Software Foundation, Inc.
Written by: Adam Fedor <>
Date: Apr 1995
This file is part of the GNUstep Base Library.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public

Greetings, NSHipsters!

As we prepare to increment our NSDateComponents -year by 1, it's time once again for NSHipster end-of-the-year Reader Submissions! Last year, we got some mind-blowing tips and tricks. With the release of iOS 7 & Mavericks, and a year's worth of new developments in the Objective-C ecosystem, there should be a ton of new stuff to write up for this year.

Submit your favorite piece of Objective-C trivia, framework arcana, hidden Xcode feature, or anything else you think is cool, and you could have it featured in the year-end blowout article. Just comment on this gist below!

Here are a few examples of the kind of things I'd like to see:

  • Using NSStringFromSelector(@selector()) as a safer way to do KVC / KVO / NSCoding.
  • Panic's [rather surprising discovery about the internals of the Lightning Digital AV Adapter](
mattt / UIImageForSwatchOfColorWithSize.h
Created Sep 27, 2013
Create a UIImage swatch of a color with a specified size.
View UIImageForSwatchOfColorWithSize.h
static UIImage * UIImageForSwatchOfColorWithSize(UIColor *color, CGSize size) {
UIImage *image = nil;
CGRect rect = CGRectMake(0.0f, 0.0f, size.width, size.height);
CGContextRef c = UIGraphicsGetCurrentContext();
CGContextSetFillColorWithColor(c, [color CGColor]);
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