2014/10/15 下午 10:13:04

iphone Programming Glossary: quarter

http://stackoverflow.com/questions/1021801/cgpathref-intersection

drawing transparent curves to an RGBA context. This solution is superior to the old one because it is simpler uses a quarter of the memory as an 8bit greyscale context suffices obviates the need for hairy difficult to debug transparency code Who..

iPhone OS current usage statistics (esp. 2.x vs 3.x)

http://stackoverflow.com/questions/2416240/iphone-os-current-usage-statistics-esp-2-x-vs-3-x

What's wrong with how I'm using NSDateFormatter?

http://stackoverflow.com/questions/2993578/whats-wrong-with-how-im-using-nsdateformatter

hour 0 23 zero padded L month of year L LL LLL LLLL m minute of hour 0 59 zero padded M month of year M MM MMM MMMM Q quarter of year Q QQ QQQ QQQQ s seconds of minute 0 59 zero padded S fraction of second u zero padded year v general timezone v..

Limiting the scrollable area in UIScrollView

http://stackoverflow.com/questions/3973461/limiting-the-scrollable-area-in-uiscrollview

I want to limit the area the user can scroll around in. For example I may only want to allow them to view the bottom quarter of the view. I am able to limit the area by overriding scrollViewDidScroll and then calling setContentOffset if the view..

Measuring time the vehicle takes to accelerate in iPhone

http://stackoverflow.com/questions/4654864/measuring-time-the-vehicle-takes-to-accelerate-in-iphone

accelerate in iPhone How to measure time the vehicle takes to accelerate from 0 to 100 km h 0 60 mph in 400meters a quarter mile using iPhone accelerometer I have situation where i need to calculate the time the vehicle takes to accelerate from.. I have situation where i need to calculate the time the vehicle takes to accelerate from 0 to 100km h in a 400 meters quarter mile i need to implement this using iPhone accelerometer. iphone accelerometer distance share improve this question ..

how can I use animation in cocos2d?

http://stackoverflow.com/questions/486609/how-can-i-use-animation-in-cocos2d

radian 180 degree rotation here goes a half circle but if you used 1.5f pi for your rotation angle it would only go a quarter circle. Likewise if you used 0.999f pi the circle would rotate in a clockwise manner. You'll want to implement acceleration..