Category: Objective-c 2014 Values of type NSInteger should not be used as format arguments Sep 14 2014 make iphone vibrate Sep 10 2014 when top bar is enabled... Mar 10 2014 keyboard in iOS Mar 07 2014 Current time in objective-c and python Mar 06 2014 how to make a label recognise a tape Mar 06 2014 NSLog macro Mar 03 2014 Create a NSArray from NSMutualArray Feb 28 2014 CAGradientLayer Feb 22 2014 Some objective-c note-to-self Feb 19 2014 NSNotification and view controller Feb 19 2014 capture part of ios screen as image Feb 17 2014 Changing NSTimeZone Feb 14 2014 Timezones in objective-c Feb 13 2014 chastised by a CoreFoundation class Feb 12 2014 missing the viewDidLoad event Feb 11 2014 dispatch_once Feb 09 2014 Mixing C++ and Objective-c in XCode Feb 02 2014 weak reference in block Jan 23 2014 class cluster Jan 17 2014 Make picker 2 data dependent on the selected row of picker 1 Jan 05 2014 category vs class extension Jan 01 2014 2013 swizzle Dec 31 2013 How to do a multi-line string in objective-c Dec 19 2013 ownership rule exception Dec 19 2013 Need to write a proper unit test in objective-c Dec 19 2013 Using NSURLConnection to read json data Dec 18 2013 cannot init a class object Dec 16 2013 UIScrollView and contentSize Dec 16 2013 Incorrect way to use JSONKit? Dec 13 2013 JSONKit exception Dec 12 2013 ivar error message: Autosynthesized property 'delegate' will use synthesized instance variable '_delegate', not existing instance variable 'delegate' Dec 11 2013 NSInvalidArgumentException when using count Dec 03 2013 Switch and enum in Objective-c Jul 08 2013 Two ways to build file names Jun 05 2013 Basename-equivalent in Objective-C Jun 04 2013 2012 Got this error message in xcode Aug 08 2012 Encountered this error when adding core data support to my ios project Aug 05 2012 Basic Collections in Objective-C May 30 2012 Frame vs Bound May 28 2012 Need to refresh my memory about how to do array or dictionary in objective-c… May 24 2012 When creating the new project in Xcode, the ‘Class prefix’ should be of reasonable length (say 2 to 6 characters). May 23 2012 Changed a controller to be a subclass of UITableViewController and got this May 21 2012 NSLog May 18 2012 viewDidLoad Apr 09 2012 EXC_BAD_ACCESS Mar 19 2012 Getting this: “Couldn’t register com.abc.MyApp with the bootstrap server. Error: unknown error code.” when trying to run a unit test in AppCode. Mar 17 2012 I have these buttons that for some reason will send message to two ‘slots’: one to the controller and the other to the responders. Mar 09 2012 How to convert an NSString into an NSNumber? Mar 08 2012 Was getting ‘class has no selector alloc’ method error when I wrote Mar 06 2012 Do custom initialisation in ViewDidLoad of a ViewController Mar 03 2012 There is no such thing as NSFloat Mar 02 2012 Add two NSNumbers together Mar 02 2012 Hack up a calculator GUI relatively effortlessly :-) Feb 27 2012 Encountered this objective-c compilation error: Feb 20 2012 Objective-c protocol syntax Feb 15 2012 2011 New _auto_ keyword in c++0x and obj-c Jul 25 2011 Sorting vs Ordering Jun 30 2011 ARC Jun 18 2011 How to do Lazy Loading with NSURLConnection Jun 03 2011 _initialize_ is a class method which will be called before any other method is called on a class. Alternatively use a function with ___attribute__ ((constructor))_ May 29 2011 Difference between setObject:forKey: and setValue:forKey: in NSMutableDictionary May 29 2011 Cannot add ivar to a category @interface May 22 2011 GLSL May 03 2011 New OpenGL API May 03 2011 ``NSManagedObject::willTurnIntoFault`` May 03 2011 Reading about GameKit and Session May 02 2011 Just learn something new to me: May 01 2011 Reading about May 01 2011 To sort an array of array by the array size Apr 30 2011 NSNumber is an object class whereas NSInteger is a primitive type. Apr 27 2011 A note-to-myself on ``release`` Apr 27 2011 UIView tag and viewWithTag Apr 26 2011 More CG APIs: CGGeometry Apr 25 2011 Some CG APIs Apr 25 2011 Quartz aligns elements midway between pixels Apr 25 2011 Introduction to iPad GUI design by Omnigroup Apr 24 2011 Got the following error messages when compiling a few c files in OSX Apr 21 2011 Mac OS X Objective-C 2.0 runtime library support functions and data structures are implemented in the shared library /usr/lib/libobjc.A.dylib. Apr 20 2011 NSValue is for wrapping primitive type as an object Apr 19 2011 [UIView addSubView:subview] Apr 19 2011 *ivar*, because it is ‘instance variable’ Apr 16 2011 -Werr or GTFO Apr 15 2011 Naming convention: -init, -new, -copy Apr 13 2011 Interesting talk: Apr 13 2011 Learn something interesting today: Apr 12 2011 Cocoa Binding Apr 11 2011 KVO Apr 11 2011 Learn something new today: Apr 11 2011 Use NSZombieEnabled to catch BAD_ASSESS Jan 02 2011 2010 NSIndexPath Idiom Dec 31 2010 Objective-c: Interface builder Nov 11 2010 Objective-c: System processes Nov 11 2010 Objective-c: Notification Nov 11 2010 Objective-c: NSUserDefaults Nov 11 2010 Objective-c: Archiving Objects Nov 11 2010 Objective-c: Bundle and Resource Management Nov 11 2010 Objective-c: Working with Files Nov 11 2010 Objective-c: some foundation classes (2) Nov 11 2010 Objective-c: some foundation classes Nov 11 2010 Objective-c: autorelease Nov 10 2010 Reading iOS documentation on KVC Oct 20 2010 Abstract base class support in objective-c Sep 12 2010 NSArray is immutable Sep 04 2010 EAGL Jul 15 2010 Dashcode Jul 14 2010 Changing __MYCOMPANYNAME__ in Xcode template Jul 13 2010 Reading list of the day Jul 11 2010 epub is an open format Jul 10 2010 Learning Obj-c Jul 06 2010 @property and @synthesize Jun 30 2010 NSLog Jun 26 2010
ivar error message: Autosynthesized property 'delegate' will use synthesized instance variable '_delegate', not existing instance variable 'delegate' Dec 11 2013
When creating the new project in Xcode, the ‘Class prefix’ should be of reasonable length (say 2 to 6 characters). May 23 2012
Getting this: “Couldn’t register com.abc.MyApp with the bootstrap server. Error: unknown error code.” when trying to run a unit test in AppCode. Mar 17 2012
I have these buttons that for some reason will send message to two ‘slots’: one to the controller and the other to the responders. Mar 09 2012
_initialize_ is a class method which will be called before any other method is called on a class. Alternatively use a function with ___attribute__ ((constructor))_ May 29 2011
Mac OS X Objective-C 2.0 runtime library support functions and data structures are implemented in the shared library /usr/lib/libobjc.A.dylib. Apr 20 2011