2014/10/15 下午 10:07:11

iphone Programming Glossary: dl

Correct way to show downloadable content in UITableView (with ProgressBar etc.)

http://stackoverflow.com/questions/12207288/correct-way-to-show-downloadable-content-in-uitableview-with-progressbar-etc

cell.textLabel.textColor UIColor grayColor cell.selectionStyle UITableViewCellSelectionStyleNone UIButton dl UIButton buttonWithType UIButtonTypeCustom dl.tag indexPath.row 10 dl setBackgroundImage UIImage imageNamed @ downloadButton.png.. grayColor cell.selectionStyle UITableViewCellSelectionStyleNone UIButton dl UIButton buttonWithType UIButtonTypeCustom dl.tag indexPath.row 10 dl setBackgroundImage UIImage imageNamed @ downloadButton.png forState UIControlStateNormal dl setBackgroundImage.. UITableViewCellSelectionStyleNone UIButton dl UIButton buttonWithType UIButtonTypeCustom dl.tag indexPath.row 10 dl setBackgroundImage UIImage imageNamed @ downloadButton.png forState UIControlStateNormal dl setBackgroundImage UIImage imageNamed..

How to implement Blowfish algorithm in iOS

http://stackoverflow.com/questions/13507384/how-to-implement-blowfish-algorithm-in-ios

unsigned char secretKey bytes secretKey length NSRange aLeftRange aRightRange NSData aLeftBox aRightBox unsigned long dl 0 dr 0 for int i 0 i dataToEncrypt length i 8 Divide data into octets... 地nd then into quartets aLeftRange NSMakeRange i.. aLeftRange aRightBox dataToEncrypt subdataWithRange aRightRange Convert bytes into unsigned long aLeftBox getBytes dl length sizeof unsigned long aRightBox getBytes dr length sizeof unsigned long Encipher Blowfish_Encrypt ctx dl dr Put bytes.. dl length sizeof unsigned long aRightBox getBytes dr length sizeof unsigned long Encipher Blowfish_Encrypt ctx dl dr Put bytes back dataToEncrypt replaceBytesInRange aLeftRange withBytes dl dataToEncrypt replaceBytesInRange aRightRange..

Is there a way to make drawRect work right NOW?

http://stackoverflow.com/questions/4739748/is-there-a-way-to-make-drawrect-work-right-now

Mysterious progressive slowing problem in run loop drawRect. Here is V2 of the demo app... http www.fileswap.com dl p8lU3gAi stepwiseDrawingV2.zip.html You will see it tests all five methods #ifdef TOMSWIFTMETHOD self setNeedsDisplay NSRunLoop.. from being started. Additionally anything that runs for a while on the main thread will also cause your touch handling to be unresponsive. This means that there is no way to force a UI refresh to occur from some other point in a process.. statement is not entirely correct as Tom's answer shows. You can allow the run loop to come to completion in the middle of operations performed on the main thread. However this still may reduce the responsiveness of your application. In general..

Mysterious “progressive slowing” problem in run loop / drawRect

http://stackoverflow.com/questions/4786754/mysterious-progressive-slowing-problem-in-run-loop-drawrect

this before Here is an extremely trivial extremely easy to understand app that demos the problem http www.fileswap.com dl p8lU3gAi stepwiseDrawingV2.zip.html Output example below. Does anyone know why this happens It is very strange behaviour.. nice sample code. Here is my take on a possible answer The issue I see is the following. CGLayer are great for repeatedly painting because they cache their rendering into a flat image. The cache is invalidated when additional operations are..

Need to find Distance using Gyro+Accelerometer

http://stackoverflow.com/questions/6647314/need-to-find-distance-using-gyroaccelerometer

values from start to end of measurement at times 0 dt 2 dt 3 dt ... n 1 dt. To find the total displacement you just do dl sqrt dx dx dy dy dz dz Gyroscope is not necessary for this but if you are measuring linear distances you can use the gyroscope..

scale fit mobile web content using viewport meta tag

http://stackoverflow.com/questions/8735457/scale-fit-mobile-web-content-using-viewport-meta-tag

h5 h6 p blockquote pre a abbr acronym address cite code del dfn em img q s samp small strike strong sub sup tt var dd dl dt li ol ul fieldset form label legend button table caption tbody tfoot thead tr th td margin 0 padding 0 border 0 font..