Rob Mayoff

uiimage-from-animated-gif. A UIImage category that loads animated GIFs

python-markdown-mathjax. Tiny python-markdown extension for easier use of MathJax with Markdown

RectangleContour. Find the union of a set of axis-aligned rectangles

dragLine. drag a connection line like in Xcode Interface Builder

contour. Contour of a Union of Iso-Oriented Rectangles

stackoverflow-28258270-video-in-oval-on-video. For http://stackoverflow.com/q/28258270/77567 (overlaying a video on another video, cropping the top video to a circle)

arrows-along-UIBezierPath. For http://stackoverflow.com/q/26112497/77567

RoundedPath. A tiny Swift package for rounding the corners of a graphics path

stackoverflow-15375777-ios-animated-hole. Sample code for stackoverflow question about animated a view with a hole in it.

multiRowSnapper. demo of snapping to columns in a collection view

stackoverflow-15961099-appStoreScrollView. Make a horizontal collection view snap to item boundaries like the App Store app does

GeneratedVideo. Generate a video using AVFoundation and Core Graphics

mjs. A JavaScript vector and matrix math library, optimized for WebGL usage.

polygon-outer-shell. Use the Clipper library to compute the outer shell of a polygon, for http://stackoverflow.com/q/23578760/77567

path-warp. For http://stackoverflow.com/a/26556758/77567

image-view-with-spotlights. A simple iOS project that shows how to draw multiple, draggable “spotlights” on a dimmed image view.

core-text-columns. Sample code using Core Text to lay out columns in a UIScrollView on iOS

stackoverflow-17089427-auto-layout-equal-spacing. Demo of layout out subviews with equal spacing in their superview using auto layout on iOS

animate-CALayer-shadowPath. Animate the shadowPath of a CALayer inside a table view cell

ShapedLabel. UIView subclass that draws text inside a path using Core Text

stackoverflow-radial-intersection. Demo of computing the intersection of a ray from the center of a rectangle with the rectangle

keyscope. Keyboard key and finger use analyzer

BlockModals. Block-using subclasses of UIActionSheet and UIAlertView

stackoverflow-17439957-zoom-imageview-from-tableviewcell. Objective-C

intStringDetails. Demo projects for http://codereview.stackexchange.com/q/62958

mouse-latency. Measure mouse latency on the Mac using a Teensy

stackoverflow-18317405-collectionViewAlternatingRows. demo of a UICollectionView with alternating row colors, for http://stackoverflow.com/q/18317405/77567

DocSets-for-iOS. Dedicated app for reading Apple's developer documentation on an iPad or iPhone

tableView-over-mapview. A demonstration for a stackoverflow question

multiline-UILabel-expose-without-reflow. Demo for http://stackoverflow.com/q/26181996/77567

Mathdown. Markdown.pl hacked for MathJax pass-through

fmdb. A Cocoa / Objective-C wrapper around SQLite

stackoverflow-12162860-GraphView. GraphView with tiled layers for speed

ios-8-layout-bug. Demo project for http://stackoverflow.com/q/25954831/77567

pkexternal. Real-time drawing synchronization between PKCanvasView on iPad and external screen

undoDraw. Demo iOS drawing app with efficient undo support

DqdObserverSet. Generic support for observer protocols in Objective-C

ConfettiSpheres5. Draw the Confetti Spheres 5 image with SwiftUI

stackoverflow-17334016-auto-layout-view-centered-in-overlap. Objective-C

nestedStackViewConstraints. How to avoid unsatisfiable constraint warnings when nesting stack views

cocoa-string-size-performance. This is a console application in Cocoa to show the various ways to measure the width of text and its performance.

swift-protobuf. Plugin and runtime library for using protobuf with Swift

StackViewAnimation. Swift

Starscream. Websockets in swift for iOS and OSX

kaboom. A MakeCode project

Thespian. Swift actor async test

WindowStackOrganizer. Objective-C

Chipmunk-Physics. A fast and lightweight 2D game physics library.

stackoverflow-15850543-BorderView-managing-contentView-and-constraints. Objective-C

VisualSort. Browser-based Visual Sorting

joDoc. Simple, open-ended JavaScript source documentation system based on markdown. joDoc rev 1.0.1 is available. Check Wiki page for some examples.

qwandoc. Yet another Markdown-based documentation extractor and formatter.

todomvc. MVC Todo apps for JavaScriptMVC, SproutCore, Backbone.js, Spine.js, YUILibrary, Knockout.js and more

jo. Jo is a thin (~12K) candy shell for PhoneGap apps. It's an HTML5 mobile app framework which provides UI widgets, a flexible event model, a wrapper for sound, and a light data layer. Apps are skinnable with CSS3, and work everywhere PhoneGap does... and then some, including Adobe Air and OSX (desktop and dashboard).

stackoverflow-cglayer-unrotating. Unrotating view using CGLayer, for a stackoverflow answer

handlebars.js. JavaScript