Step by step teach you how to mount iOS apps

Step by step teach you how to mount iOS apps Step 1: Download/create a certificate and assign it to a certificate. If yes, download it directly. If no, click the plus sign in the upper right corner to create a certificate. The specific new content

IOS dictionary NSDictionary and NSMutableDictionary knowledge points, iosnsdictionary

IOS dictionary NSDictionary and NSMutableDictionary knowledge points, iosnsdictionary   The elements in the dictionary are stored in the form of key-value pairs. The keys and values of key-value pairs are all arbitrary objects, but keys often use

Knowledge points of IOS array NSArray and NSMutableArray, two-dimensional nsarray Array

Knowledge points of IOS array NSArray and NSMutableArray, two-dimensional nsarray Array This article summarizes the knowledge points of arrays NSArray and NSMutableArray, mainly for some common operations. For other operations, see the relevant

[Study Notes] [OC language] polymorphism, learning notes oc Polymorphism

[Study Notes] [OC language] polymorphism, learning notes oc Polymorphism 1. Basic concepts of PolymorphismMultiple forms of a certain type of thingOC object with Polymorphism 2. embodiment of PolymorphismPerson * p = [Student new];P-> age = 100;[P

Tips for solving arc Memory leakage and arc Memory leakage

Tips for solving arc Memory leakage and arc Memory leakage Be sure to note that when running the app, We must care about the memory usage and try not to exceed20 M,Even if many images are to be displayed, they cannot exceed30 M. Therefore, it is a

ARC-do not send messages to released objects. arc-release sends messages.

ARC-do not send messages to released objects. arc-release sends messages.   1. Write the following code in AppDelegate. m:   - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { //

Knowledge Point of NSSet and NSMutableSet in IOS collection, nssetnsmutableset

Knowledge Point of NSSet and NSMutableSet in IOS collection, nssetnsmutableset   NSSet is not much different from NSArray in actual application, but if you want to find an element in NSArray, You need to traverse the entire array, which is

CocoaPods introduction, cocoapods

CocoaPods introduction, cocoapodsWhat is CocoaPods? Many third-party open-source libraries, such as JSONKit and AFNetWorking, are frequently used when you develop iOS applications. A class library may use other class libraries. to use it, you must

Common iOS development macros

Common iOS development macros #define NavigationBar_HEIGHT 44#define SCREEN_WIDTH ([UIScreen mainScreen].bounds.size.width)#define SCREEN_HEIGHT ([UIScreen mainScreen].bounds.size.height)#define SAFE_RELEASE(x) [x release];x=nil#define IOS_VERSION [[

IOS --- solve the problem that all interfaces in RESideMenu can slide sideways

IOS --- solve the problem that all interfaces in RESideMenu can slide sideways RESideMenu is an easy-to-use slide layout class library in iOS. This type of Slide effect is used in many iOS projects. You can add menu view controllers on both left

IOS xxx. pch

IOS xxx. pchInfo. plist and Prefix. pch File Location modification problems and solutions if you want to change Info. plist and Prefix. the actual path of the pch file, that is, the location of the actual file (not the Organization path in the

Deep Learning: Running CNN on iOS

Deep Learning: Running CNN on iOS1 Introduction As an iOS developer, when studying deep learning, I always thought that I would run deep learning on the iPhone, whether on a mobile phone or using trained data for testing.Because the iOS development

Custom color returned buttons for the navigation bar title generated by default in ios development

Custom color returned buttons for the navigation bar title generated by default in ios development 1. Modify the navigation bar color The page where the code of the navigation bar is stored Self. navigationController. navigationBar. tintColor =

Ios: Modify the background color of NavigationController

Ios: Modify the background color of NavigationController     During ios development, we often need to modify the background color of NavigationController. When using [self. navigationController. when navigationBar setBackgroundColor: [UIColor

IOS-entire process of event processing (Supplement)

IOS-entire process of event processing (Supplement)Complete process of event processing 1> first pass the event object from top to bottom (the parent control is passed to the Child control) and find the most appropriate control to process the event.

How to view reference count changes in the ARC environment?

How to view reference count changes in the ARC environment?   1. Create a new project to test the changes in the reference count.       2. Find the following path: Build Phases ----> Compile Sources ----> AppDelegate. m       3. Select the

-(UITableViewCell *) tableView :( UITableView *) tableView cellForRowAtIndexPath :( NSIndexPath *) if the indexPath is not executed, uitableviewcell

-(UITableViewCell *) tableView :( UITableView *) tableView cellForRowAtIndexPath :( NSIndexPath *) if the indexPath is not executed, uitableviewcell -(UITableViewCell *) tableView :( UITableView *) tableView cellForRowAtIndexPath :( NSIndexPath *)

IOS KVC (Key-Value Coding)

IOS KVC (Key-Value Coding)Common usage: Getting valuesValueForKey: valueForKeyPath based on the property name:[Person valueForKeyPath: @ "car. price"]) ValueForUndefinedKey throws an exception by default. You can rewrite this function for error

Stop interaction in IOS-UIView

Stop interaction in IOS-UIView UIView stop interaction (no focus ):Set userInteractionEnabled = NO to get the interaction settings YES.It can be applied to custom controls such as UIButton and UITextField. [editButton

IOS time format description

IOS time format description In the iOS time stamp string NSdate conversion demo, we talked about   -(IBAction) strToDate :( id) sender { NSString * timeStr = @ 15:00:00; NSDate * date = [NSDate dateFromString: timeStr format: @ yyyy-MM-dd HH: mm:

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