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

Classes (class type) in OBJC (objective-c), Selector (selector sel), function pointer (IMP) I saw a cow in the garden today "OBJECTIVE-C 2.0 with Cocoa Foundation--- The 5,class type, selector selector, and function pointer are very exciting, and

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:

Stackflow on the question "C + + and objective-c What are the similarities and differences?" Downstairs of the two provided the information is very good.One is: Pierre Chatelier wrote Download Link:

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

The preparation of C language is almost here. Finally, learn about dynamic arraysWe know that arrays of C have to specify lengths when they are defined, so how do we define dynamic arrays?The fact that the dynamic array is a space for you to use in

Three types of timers in OC: Cadisplaylink, Nstimer, GCDLet's take a look at Cadiskplaylink, go inside the header file, and use a note to illustrate the following.@interfacecadisplaylink:nsobject{@private void*_impl; pointer}+ (Cadisplaylink *)

After touching the OC language for some time, we all know that an object of unknown type can be represented by an ID, so what is instancetype for?The role of 1.instancetypeis to make the methods of the non-associative return type return the type of

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

Classes, Objects, and MethodsLearn about the classes, objects, and methods in Object-c below.Objective-c as an object-oriented language, the most basic is the name of Object.object, is the object, that is, one thing.In the case of real life, our car

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

iOS memory management is a reference counting mechanism that is divided into MRC (Manual reference counting) and arc (auto reference count).The idea of managing memory with reference counts is to implement operations that generate, hold, release,

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

Author: failingProgramMember-eight gods Objective-C, which has been used on the Apple development platform for many years, has a very unique syntax. If you compare C # (not to mention Java first) with its language features, it would be a heaven

Compilation warning Now the compiler is sometimes very noisy, and the warning given by the compiler is very useful to developers. The warning will not stop compilation and linking, nor cause the program to be unable to run, but many times the

In objective-C, nsarray and nsmutablearray are used to define two-dimensional arrays and multi-dimensional array directories. Problem description Introduction to Array Pairs in objective-C, such as nsarray and nsmutablearray Two-dimensional