2014/10/15 下午 10:03:29

iphone Programming Glossary: accumulate

iPhone iOS how to add a running countup display timer to an app, like clock stopwatch app?

http://stackoverflow.com/questions/12076409/iphone-ios-how-to-add-a-running-countup-display-timer-to-an-app-like-clock-stop

get the current time that's the tweak don't count ticks because if there is wobble in the timer tick counting will accumulate the error then update the UI. Also NSDateFormatter is a simpler and more versatile way to format time for display. void..

Improving Finger Painting Performance

http://stackoverflow.com/questions/1355527/improving-finger-painting-performance

6 Underlying UIView Re Draws all Stored Graphics 7 Delete Temporary Graphics on top UIView. In this manner I can accumulate graphics on the underlying UIView while maintaining responsive painting of the temporary graphics on the top UIView. Sidenote.. has a seperate NSArray where it stores these NSArrays of CGPoints The Problem Is When a great deal of graphics has accumulated on the underlying UIView it takes time to draw it all out on the screen. And any new drawings on the top UIView will not..

How do I create blurred text in an iPhone view?

http://stackoverflow.com/questions/227305/how-do-i-create-blurred-text-in-an-iphone-view

GL_MODULATE glColor4f 1.0 5 1.0 5 1.0 5 1.0 validateTexEnv glDrawArrays GL_TRIANGLE_STRIP 0 4 Pass two accumulate two rotated linear samples glTexParameteri GL_TEXTURE_2D GL_TEXTURE_MIN_FILTER GL_LINEAR glTexParameteri GL_TEXTURE_2D GL_TEXTURE_MAG_FILTER.. GL_PRIMARY_COLOR glColor4f 0.5 0.5 0.5 2.0 5 validateTexEnv glDrawArrays GL_TRIANGLE_STRIP 0 4 Pass three accumulate two rotated linear samples for i 0 i 4 i tmpquad i .x quad i .s 0.5 offw tmpquad i .y quad i .t 1.5 offh tmpquad i .s quad..

Getting exception as “Collection was mutated while being enumerated”

http://stackoverflow.com/questions/3424861/getting-exception-as-collection-was-mutated-while-being-enumerated

c share improve this question You cannot change array while you're enumerating it. As a workaround you should accumulate new objects in temporary array and add them after enumeration PaymentTerms currentElement NSMutableArray tempArray NSMutableArray..

Using UIPinchGestureRecognizer to scale uiviews in single direction

http://stackoverflow.com/questions/6759028/using-uipinchgesturerecognizer-to-scale-uiviews-in-single-direction

not store at each iteration the current hFloat and vFloat and instead rely on the fact that the gestureRecognizer will accumulate the overall scale change. It does an absolute calculate while the first implementation does a relative one. Note that you..

Some beginner Objective-C/iPhone questions

http://stackoverflow.com/questions/710568/some-beginner-objective-c-iphone-questions

with any other release . Using an autorelease pool is generally frowned upon on the iPhone because it may cause you to accumulate many unused instances in the pool before it is drained at the end of the run loop iteration. If you can use release instead..