Graphics Programs Reference
In-Depth Information
You can of course fix this problem by making the containingArray property a weak
reference. Or just remove the property and undo your changes to endTouches: and
clearAll .
This should give you a good start with the Instruments application. The more you play
with it, the more adept at using it you will become. One final word of warning before you
invest a significant amount of your development time using Instruments : If there is no
performance problem, don't fret over every little row in Instruments . It is a tool for dia-
gnosing existing problems, not for finding new ones. Write clean code that works first;
then, if there is a problem, you can find and fix it with the help of Instruments .
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