2014/10/15 下午 10:14:21

iphone Programming Glossary: spots

iOS - color on xcode simulator is different from the color on device

http://stackoverflow.com/questions/10039641/ios-color-on-xcode-simulator-is-different-from-the-color-on-device

to pick the same spot on both the screenshots Note down the RGB values available on the mac OS color palette of spots chosen in step 3 compare both the RGB values and see the difference add the RGB offset to match the color. My RGB offset..

Detect GPS Hardware in iphone

http://stackoverflow.com/questions/2004689/detect-gps-hardware-in-iphone

models ship with a real AGPS unit while the iPod Touch 2nd generation can use if and when available geotagged wifi hot spots. You may then use the following method to determine the model you are running on NSString deviceModel size_t size sysctlbyname..

What causes this error? “CALayer position contains NaN: [240 nan]”

http://stackoverflow.com/questions/3025176/what-causes-this-error-calayer-position-contains-nan-240-nan

it happens inbetween the willRotate and didRotate method calls in UIViewController My co workers have seen it in other spots as well usually around rotation. It hadnt started happening until very recently and we're stumped as to how we should deal..

Is it possible to cache resources loaded in an iPhone UIWebView?

http://stackoverflow.com/questions/345432/is-it-possible-to-cache-resources-loaded-in-an-iphone-uiwebview

here. My entire page page and its referenced resources is around 89K compressed.. which is slow over 3G in some spots and even worse over EDGE. Incoming requests are at least indicating that it accepts compression accept encoding gzip deflate..

Autorelease iPhone

http://stackoverflow.com/questions/429524/autorelease-iphone

autorelease share improve this question Using release instead of autorelease can improve memory usage in tight spots which is good on the iPhone but it's not going to help at all with crashing if you're not following the retain release rules...

What is -[NSString sizeWithFont:forWidth:lineBreakMode:] good for?

http://stackoverflow.com/questions/455553/what-is-nsstring-sizewithfontforwidthlinebreakmode-good-for

that lets you see how big a string is going to be when rendered with a font and line break mode. I use it in a few spots in my application when I have variable length text I want to display in a certain area. By default a UILabel will center..