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2014/10/15 ¤U¤È 10:12:22

iphone Programming Glossary: optimisation

Draw underlined / strikethrough text ( MULTILINE STRING )?

http://stackoverflow.com/questions/2652163/draw-underlined-strikethrough-text-multiline-string

text share improve this question What about this. This works good for me what you all think if this needs some optimisation CGContextSetFillColorWithColor c UIColor blackColor CGColor THE TEXT COLOR OF THE STRING TO BE DRAWN. UIFont fontName UIFont..

Using the apple FFT and accelerate Framework

http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework

throw these precalculated values into any fft function that uses resolution 2^8. So unless you want ultimate memory optimisation just create one set for the highest resolution you're going to need and use it for everything. Now the actual transforms..

Getting displacement from accelerometer data with Core Motion

http://stackoverflow.com/questions/4449565/getting-displacement-from-accelerometer-data-with-core-motion

processing you should store the first integration's result velocity because you will need it in a later stage for optimisation. Do it very careful because every tiny bug will lead to huge errors after short period of time. Always bear in mind that..

Oolong, SIO2 or commercial Game engine for 3D iPhone Games newbie?

http://stackoverflow.com/questions/601690/oolong-sio2-or-commercial-game-engine-for-3d-iphone-games-newbie

background and limited time Both include the Bullet physics engine. I lean towards Oolong because of its C source and optimisation for the PowerVR graphics. However the Lua interpreter and additional sound goodies in SIO2 are appealing. SIO2 also seems..

iOS badge number live update

http://stackoverflow.com/questions/8734078/ios-badge-number-live-update

badge icon up to date. If you envisage your app users opening the app frequently e.g. multiple times per day then an optimisation might be to check the number of existing notifications scheduled before cancelling them and creating 64 new ones like this..

Dispelling the UIImage imageNamed: FUD

http://stackoverflow.com/questions/924740/dispelling-the-uiimage-imagenamed-fud

So there you have it. imageNamed will not smash your windows or murder your children. It's pretty simple but it is an optimisation tool. Sadly it is badly named and there is no equivaluent that is as easy to use hence people overuse it and get upset when..