development

POP – Prototyping on Paper | iPhone App Prototyping Made Easy Design on Paper Take Pictures Simulate

The first 90% of the code accounts for the first 90% of the development time. The remaining 10% of the code accounts for the other 90% of the development time. Tom Cargill, Bell Labs (the Ninety-ninety rule )

Visceral Apps and You — Mysterious Trousers All of the apps mentioned above exhibit that same kinetic/potential interplay. They’re the UX version of bubble wrap. So here’s my theory: I believe that introducing visceral elements into an app will take it past the point of just being awesome. It will make your app speak to the subconscious, built-in affinity that humans have for the physical properties I mentioned before.

Stripe: Payments for developers Stripe makes it easy to start accepting credit cards (…) today. **Full-stack payments ** You don’t need a merchant account or gateway. Stripe handles everything, including storing cards, subscriptions, and direct payouts to your bank account. Stripe.js lets you build your own payment forms while still avoiding PCI requirements. Available only in the US and Canada, unfortunately 🙁

Learn the ropes of Mobile Services with Brent Simmons | Windows Asure Mobile Services makes it easy to store data for your iOS app in the cloud, authenticate users, and send push notifications via APNS. Join Brent in a walkthrough of the basics.

Mantia » About App Icons I believe good app icons are most valuable for your customers, your everyday users, not first-time shoppers.

Cross Browser Testing Tool. 100 Browsers, Mobile, Real IE. Instant access to all desktop and mobile browsers. Say goodbye to your setup of virtual machines and devices. Real Browsers Official mobile emulators Test local and internal servers Pre-installed developer tools Superfast, cloud-based access Multiple Desktop OS

Dev Rocket – Photoshop panel plugin for iOS developers A simplified solution to working between display resolutions, breaking down full ui designs into separate elements ready for Xcode and saving for the Retina display are just a few of the awesome features DevRocket brings to iOS designers currently using Photoshop.

What Every Computer Scientist Should Know About Floating-Point Arithmetic Floating-point arithmetic is considered an esoteric subject by many people. This is rather surprising because floating-point is ubiquitous in computer systems. Almost every language has a floating-point datatype; computers from PCs to supercomputers have floating-point accelerators; most compilers will be called upon to compile floating-point algorithms from time to time; and virtually every operating system must respond to floating-point exceptions such as overflow....

Ry’s Objective-C Tutorial | RyPress This tutorial is the place to learn the Objective-C programming language. It’s designed to serve as both a concise quick-reference and a comprehensive introduction for newcomers to the language.