Objective-C

Call method (calling methods) 1. Call [ObjectMethod]; [ObjectMethodwithinput:Input];2. Return Value: Output = [Object Methodwithoutput]; Output = [Object Methodwithinputandoutput:Input]; 3. Create an object call IDMyobject = [ NsstringString]

The following are the notes for learning objective-C 2.0. The original book I purchased is the original English version. Due to my limited level of English, there may be omissions in understanding. Original book purchase address: Amazon 5. Memory

The following are the notes for learning objective-C 2.0. The original book I purchased is the original English version. Due to my limited level of English, there may be omissions in understanding. Original book purchase address: Amazon 6. blocks

The following are the notes for learning objective-C 2.0. The original book I purchased is the original English version. Due to my limited level of English, there may be omissions in understanding. Original book purchase address: Amazon 7. The

Recently in the company to do a handheld frog game project, is using C ++ write cocos2d-x development, it is the iPhone cocos2d framework of another language version of the implementation, the biggest advantage is that it can run across platforms.

Keep writing logs. Differences between printf and nslog Nslog will automatically add line breaks without adding line breaks. nslog will add time and process information, while printf will only output the input content without adding anything

In objective-C # What does Pragma mark mean? The following code commands are often seen in the code in xcode ide: The following code commands are often seen in the code in xcode ide: # Pragma mark-# Pragma mark Initialization # What is Pragma?

@ Property Introduction Objective-C language keyword, paired with @ synthesize. Function: Let the compiler automatically write a method declaration with the same name as the data member to save the declaration of the read/write method. For example: 1

1. Hungary naming and do not blindly use Hungary naming Naming Conventions are the most important and the most controversial part of the procedural writing norms. They have been a place for military personnel since ancient times. What is the use of

Some of them haven't had time to read it. Put it here first: 1. Treat the object as memory. The status of each object instance is saved in different memory regions. Therefore, the object creation and deletion actions are equivalent to the allocation

The following notes reference site: http://blog.csdn.net/huanglx1984/archive/2009/07/06/4325377.aspx Currently, apple only uses objective-C as the supported language. The differences with C ++ are: All classes in the O-C must inherit from

I feel that objective-C is really a giggle! How can I write c ++?       # Import @ Interface main: nsobject { int number; int I, J; }-(void) SETI :( INT) II andj :( INT) JJ; -(void) print; @ property int number; @ end @ implementation main @

Learn objective-C Original address http://cocoadevcentral.com/d/learn_objectivec/   Translator's preface I saw this article on the Internet and thought it was very good, but it seems that no one has translated it into Chinese, so I am bold enough to

Log records In objective-C, it is very easy to output log information to the console. In fact, the nslog () function is similar to the printf () function in C language.% @A symbol represents an object.   Nslog (@ "the current date and time is: % @",

1. When using xcode to create an objective-C source file, you can check the function of generating a. h file at the same time. xcode is automatically selected here.   2. The code is automatically completed, and the xcode code is automatically

In objective-C, the call method is calledSend message The notification object performs an operation. Syntax:[Shape draw]   I. Class Declaration (Interface ): @ Interface testcoop: nsobject {Int Imonth;Int iyear;Int iday;} -(Void) setyear: (INT)

Document directory Method swizzling is not Atomic Changes behavior of un-owned code Possible naming conflicts Swizzling changes the method's arguments The order of swizzles matters Difficult to understand (looks recursive) Difficult to

Objective-C: Empty segment Selector Prelude Objective-C has a personality. A distinctive feature is that method functions are segmented, that is, function names are not written together, but are split into N segments, which correspond to N

From http://blog.kungfusoft.com/programming/iphone/topic-281.html When using functions such as nslog and [nsstring stringwithformat:], they all work based on C/C ++-style string formatting. Originally, C/C ++ has never been used. In iPhone

  Objective-C syntax Translate: sprouting stone 2010-03-10 Post please indicate to transfer Apple development Chinese Network (http://www.CocoaDev.cn) The preceding description is an integral part of this document.   Objective-C is the most