Objective-C

1, Cocoapods is running in Ruby software, installation may take several minutes, install named: sudo gem install Cocoapods 2, if you want to generate documents for each third party library, run The Brew install Appledoc This step is optional.

Basic understandingThis model has three key roles: primary (originator), Memo (Memento), caretaker (caretaker). The basic relationship between the three is that the original creator creates a memo containing its status and passes it on to the

The structure of the OBJECTIVE-C programjust like learning all programming languages, the first program is to print "Hello world!" on the screen. ”。 I read the book to use the compiler is still relatively old, I now use Xcode4.2.1, it has automatic

First is the header file: Objective-c code #import @interface sort:nsobject{}//Bubble sort-(void) Bunb   Lesortwitharray: (Nsarray *) Adata;   Select Sort-(void) Selectsortwitharray: (Nsarray *) Adata;   Insert sort-(void) Insertsortwitharray:

Reprinted from: http://www.cnblogs.com/janken/archive/2012/04/05/2432930.htmlRecently made a mobile project, there is a server and client type of project, the client is to log in, the password to use DES encryption, the server is developed in Java,

Original: From C declarators to Objective-c Blocks SyntaxNils HayatTranslator: Cocoachina--sunshineIn this article, we start with various declarations in the simple C language, as well as complex declaration combinations to the syntax of the code

Source: Xcodemen (Kang Zubin) Links: http://www.jianshu.com/p/5d7033b15052 This article is written by our team of Kang Zubin Children's shoes, which is his personal homepage: https://kangzubin.cn.

Knowledge points1. Introduction to ClassesA class is the type of an object that is an instance of a type.Instance variables: Used to distinguish between different objects of the same class, which are used to describe objects. Instance variables can

One. Isa pointerTo understand what Isa pointers are, we have to make a point:In objective-c, the definition of any class is an object. There is no intrinsic difference between a class and an instance (object) of a class. Any object has an Isa

Fourth: Multi-use type constants, less # define preprocessing directivesDisadvantages of using # define preprocessing: The defined constants do not have type information, and the compiler simply performs a find-and-replace operation on this basis

Most of the other platform for beginners to develop the foundation to see Xcode, the first impression is to rub the palm of the fist, see Interface Builder, the first feeling is eager, and see Objective-c Grammar, the first impression will become

After the day before the blog, today continue to explain the 27 questions. Test Question address: http://www.eosgarden.com/en/articles/objc-quizz/take/31.Which of the following can be inherited?Which of the following can be inherited?Answer:

this article reprinted to http://blog.sina.com.cn/s/blog_a843a8850101ds8j.html(i). About Nilhttp://cocoadevcentral.com/d/learn_objectivec/Calling Methods on NilIn Objective-c, the nil object was the functional equivalent to the NULLpointer in many

Knowledge pointsUse of the 1.NSString classUse of the 2.NSMutableString class==========================================NSString1.NSString object vs. C type stringOC string is an object C string that is just a single letter stitchingOC string

1. Prototypesprototype Design pattern the so-called prototype design pattern, in fact, is the object copy, this feature in all languages are basically exist.We know that in OC, Object assignment is actually a reference copy of an object, which is

Objective-c is the most important development language in the field of Mac software development, if we are already familiar with C language or have the base of object-oriented language, it will be very useful for us to learn objective-c.Method

Ext.: http://www.apkbus.com/android-593-1.htmlA friend who has studied Java or C should be aware of the static keyword? A static static variable is declared in a class, or the other class wants to use it or modify it without the new object, directly

When we learn C language, encountered a program jump, called Goto,goto can jump to any place in the program. Again later, learned the programming methodology, I do not know which computer predecessors (seemingly Dijkstra), that Goto makes the

Objective-c Foundation Framework example:looking for files find fileNsfilemanager. The Nsfilemanager class lets you does stuff with the file system, like create directories, remove files, move files around, And get information about

Objective-C syntax for array objects If the original Yusong Momo article is reprinted, please note: It is reprinted to my independent domain name blogYusong Momo program Research Institute, Original address: