calculators

Reading Time: 2 minutes

Mortgage calculator

Total Amount ($)
Down Payment ($)
Interest Rate (%)
Amortization Period (years)

A good list of iOS dev blogs by Quora

Books
1. Aaron Hillegass (big nerd ranch): Cocoa Programming for Mac OS X

Courses
CS193E (Stanford): Cocoa Programming

(Indiana U): Object Oriented Programming in Objective-C

Dev
0. MacRumors: iPhone Programming

1. bbs (Chinese) cocoachina

2. blog( Chinese) Memory management (CHN, Robin Lu)

3. Make web page iPhone friendly: Scott Hanselman; iWebKit

4. CocoaHeads resources: links compile by CocoaHeads.org

5. cocoaDevCentral

6. Objective C Notes (Chinese, mitbbs)

7. Services Tailor Apps for Small Businesses
A number of services including MobileAppLoader LLC, SwebApps, Mobile Roadie LLC and Kanchoo LLC have cropped up recently to help even the smallest and most local of businesses make apps, and they are pitching the programs as the next must-have marketing tool. With easy-to-use online templates, much like those used to make low-cost Web sites, a basic iPhone app can take 15 or 20 minutes to make and cost as little as $15 a month in hosting charges.

Offical
1. Apple: Apple store

2. Apple Discussions: Developer Forums

Website development
U of Albany tutorial: web page and layout; CSS

w3school; CSS (wiki)

htmlgoodies

Safari dev

App Reviews and stats
iPhone App Index: Where iPhone App Developers Show Off Their Work

AppCraver

The 7 Best iPhone Apps Review Websites

weiPhone.com

Walt Mossberg 06-17-09: New iPhone Is Better Model–Or Just Get OS 3.0 (AllThingsD)

Walt Mossberg 04-10-09: The Smartphone Wars (AllThingsD)