Objective-C

1 #import2 #import "IOSProgrammer.h"3 #import "JavaCodingMonkey.h"4 intMainintargcConst Char*argv[]) {5 @autoreleasepool {6Javacodingmonkey * Javacodingmokey =[[Javacodingmonkey alloc] init];7 [Javacodingmokey Writejavacode];8 9Iosprogrammer

The first thing to mention here is the copy in the attribute list where the attribute is defined@property (nonatomic,copy) NSString *name;Here I define a person class, which is no longer stated hereHere is the codePerson *p = [[Person alloc]

//Dictionary: (keyword value)Insert code word is too smallNsarray *array = [Nsarray array];//empty arrayNsdictionary *dictionary = [Nsdictionary dictionary];//empty DictionaryNsdictionary *my = [nsdictionary dictionarywithobject:@ "objective" forkey:

CocoaPods: A objective-c management tool for third-party librariesIntroduced:Third-party libraries are indispensable when developing applications, which can improve the efficiency of development. Some frequently used libraries, in the new project

- -.. Grabbed a request for what what package URL ... And then what's the request ...With a tool called Paros.IP set to computer: Set the lower port ... And then set the HTTP proxy of the mobile device to the same, you can catch the =w=After the

Access permissions for member variablesThe member variables in OBJECTIVE-C have the following three properties Public (external and sub-class accessible) Protected (sub-class accessible, externally inaccessible) Private (external

The teacher asked for leave in the morning .... And then because there are a lot of people before the homework did not write out ... So arranging the writing industry .... Then I was paddling all morning ....Come back in the afternoon ... With the

Contrast with C # references: ? C# Objective-c file . CS is the source file Band. Designer is view . h is the header file .

———————————————————————————————————————————Single Object memory management(1) Wild hands① defines a pointer variable, but does not assign an initial value, it randomly points to something② The memory space pointed to by a pointer variable is freed

Like the closure in JS, anonymous functions in Java, C # delegates, you can pass Func as a parameter:Statement of the 1.BlockThe definition of block is similar to the declaration of a function, which is to change the function name to (^blockname).

Directory of this document I. Open Xcode and create a new Xcode project Two. Select the simplest command line item Three. Enter the project name and select the foundation framework to create the project Four, click Run, running the

Description: This objective-c topic is a prelude to learning iOS development, and to enable programmers with experience in object-oriented language development to quickly get started with objective-c. If you do not have programming experience, or

The Objective-c class in the core processing string is NSString and nsmutablestring, the biggest difference between the two classes is that the content and length of the string cannot be changed dynamically after nsstring creation of the assignment,

I. General wording of setter and getterSetter and getter can be said to be a class of the most basic things, any object-oriented language, all this concept, C + +, Java and so on. Because setter and getter are the most basic support for

Delegate is ubiquitous in iOS development, delegate is a powerful software architecture design concept, its function is that one object in the program represents another object, or one object works with another object (such as Xiao Ming likes a girl

1), arc4random () more precise do not need to generate the seed immediatelyHow to use:The code for obtaining an integer between 0 and X-1 by Arc4random () is as follows:int value = Arc4random ()% x;The code to get an integer between 1 and X is as

Single caseand other languages of the singleton production is not much, can be said to be the simplest of a design pattern. But there are a few points to note that a singleton is just one instance of a class.So we're going to try to stop this class

ARC (automatic reference counting) mechanismDetermine if the ARC mechanism Retain release autorelease cannot be used in the ARC mechanism Retaincount [Super Dealloc] cannot be used in the Dealloc method; Object release under Arc is

%@ Object %d,%i Integer %u,%z No-character shaping %f Floating point/double word %x,%x hexadecimal integer %o Eight-binary integers

Directory (?) [-] Have one of the same two different same Written by Mattt Thompson on Dec 10th 2012 What's a instancetype? Two associative return types related result types Three instancetype effect Role