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2014/10/15 ¤U¤È 10:08:29
iphone Programming Glossary: esphttp://stackoverflow.com/questions/11486828/table-view-scrolling-async hang around and tie up resources as it waits for the the block to be sent back to the main queue to finish ... this is especially an issue once you have a couple of images backed up during a fast scroll and When you dispatch back to the main queue.. to make sure cell you get from cellForRowAtIndexPath is not null because if cell loading logic gets too backed up esp on slower devices you could theoretically have the cell in question having scrolled off the screen and your algorithm could..
EXC_BAD_ACCESS (SIGSEGV) crash http://stackoverflow.com/questions/1733317/exc-bad-access-sigsegv-crash State 32 bit eax 0x00f797f0 ebx 0x305063d1 ecx 0x9117c334 edx 0xc0000003 edi 0x00f7b3b0 esi 0xbfffeaa4 ebp 0xbfffea28 esp 0xbfffe8a8 ss 0x0000001f efl 0x00010206 eip 0x910e0688 cs 0x00000017 ds 0x0000001f es 0x0000001f fs 0x00000000 gs 0x00000037..
iPhone OS current usage statistics (esp. 2.x vs 3.x) http://stackoverflow.com/questions/2416240/iphone-os-current-usage-statistics-esp-2-x-vs-3-x OS current usage statistics esp. 2.x vs 3.x I am trying to find out how many of the active iPhone and iPod touch users have at least 3.0 OS installed...
Xcode/GDB: How to get information about an exception that was just thrown? http://stackoverflow.com/questions/3327828/xcode-gdb-how-to-get-information-about-an-exception-that-was-just-thrown
How do I tell iOS that I do not want the app to stay in the background? http://stackoverflow.com/questions/6127560/how-do-i-tell-ios-that-i-do-not-want-the-app-to-stay-in-the-background Here comes the stack trace 0x00cc5994 0034 mov 0x8 eax eax 0x00cc5991 0031 mov 0x8 ebp eax 0x00cc598d 0027 mov eax 0x4 esp 0x00cc5987 0021 mov 0x4e082 ebx eax 0x00cc597f 0013 movl 0x0 0x8 esp 0x00cc597e 0012 pop ebx ABCGetGroupCount ABAccountsAndGroupDataSource.. 0031 mov 0x8 ebp eax 0x00cc598d 0027 mov eax 0x4 esp 0x00cc5987 0021 mov 0x4e082 ebx eax 0x00cc597f 0013 movl 0x0 0x8 esp 0x00cc597e 0012 pop ebx ABCGetGroupCount ABAccountsAndGroupDataSource hasMultipleAccountsOrGroups ABMembersViewController..
How to log all methods used in iOS app http://stackoverflow.com/questions/7270502/how-to-log-all-methods-used-in-ios-app actions and set the action to be a debugger command using the following printf s s n char object_getClassName long esp 4 long esp 8 Your breakpoint should look something like the following This should log out messages like this when run against.. and set the action to be a debugger command using the following printf s s n char object_getClassName long esp 4 long esp 8 Your breakpoint should look something like the following This should log out messages like this when run against your..
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