iOS Developer PSAs
@iOSDeveloperPSA
I am an iOS developer. The goal of this account is to aggregate time-saving information about iOS development.
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If you see impossible values being passed to an Objective-C message handler, make sure you have declared it. More details when I hav etime.
#xcode4 can support debug sessions on multiple devices simultaneously. The apps can be deployed simultaneously as well. Great for net apps
Remember if you are using non-power-of-two texture sizes you have to use GL_CLAMP_TO_EDGE -- many hours lost.
LLVM GCC did not warn me about duplicate local variable definitions (ex: func () { int i = 0; if (kitty>2) { const int i = 0; } } XCode Pre6
iOS+Android is multi-user+multi-tasking. But just in case you try to measure cycles the ARM Cortex L1&L2 $es have random replacement policy
http://bit.ly/lbdyod What advantages are gained by "copying" and naming an anonymous function over using function pointers? I don't get it.
#Xcode4 not desymbolicating for you in Organizer? Remove the iPhone simulator from Spotlight... goosoftware.co.uk/blog/the-symbo…
@theonlylars How did you customize it? What was different from the stock table cell? Did you use custom drawing or UIViews?
Customer just emailed me demanding refund and phone call--didn't say what app--but it was $2.00. I miss enterprise. #ios #dev
Remember the broken CFStreamCreateBoundPair (and related)? http://bit.ly/gU3zd3 Two rdars on it. I've had lots of trouble even after iOS 3.0
@aral Dude--it's magic. What's your friggin problem?
@theonlylars Why bother? We're smart people: pants/1/shoes more profitable pants.php?id=1&field=shows ? Don't waste your time on crap
@superoptimizer Get a DE2 board from Altera. Xilinx tools are poop (technical industry term).
Hey app pirates: Could you crack the free Color app and post it to apptracker? If you do, I'll tell you about the magic algorithms inside.
Self modifying code on iOS is hard due to dyld. You can do a trivial mprotect and change few instructions but beyond that get ready for fun
XC 4 Instruments OpenGL Adviser thing tells me to do things that lower performance. VBO for throwaway data is a loss (on iPad 1)
OMG, I just learned the hard way that ObjC properties don't respect chained operator= They silently do something else instead!! So evil...
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