IOS

In doing. NET to the iOS device app for a message push, using the Pushsharp Open source class library for message push, and in the development process, using a beta version of the app, The P12 certificate used is the

Different machines have different byte storage order for variables, some use big-end mode (Big-endian), and some use small-terminal mode (Little-endian). Big-endian mode means that high byte data is stored at a low address, and low byte data is

[Reading Notes] iOS-network access, Reading Notes ios-Access The iOS platform is designed based on the concept of network connection. With this feature, developers have created many excellent third-party applications. Most iOS applications need to

Runtime (V), runtime IntroductionUser Behavior Statistics (UBS) has always been an indispensable part of mobile Internet products, also known as tracking. On the premise that the mobile traffic will not be greatly affected, the PM always hopes that

IOS Learning -- the difference between UITableViewCell and iosuitableviewcell UITableView is used in the development process today. When setting the cell, I found that there are two ways to set the reuse of UITableViewCell, at the beginning, I was

IOS-attributes, Assign: simple assignment. Retain: After a value is assigned, the new retain method and the release method of the old value are called. Copy: copy the value first, and assign the copy value to the instance variable. This

IOS. Crash File Analysis Solution (using symbolicatecrash tool ), Crash Analysis Method: parse the Crash file through command lines Three files are required to parse the Crash file using the command line tool provided by Mac. Symbolicatecrash is a

IOS learning-iOS native QR code scanning, ios In recent projects, we need to develop the scanning QR code for sign-in. This function is mainly used in meeting sign-in scenarios. To avoid cheating, we only use direct scanning during development, in

IOS learning-Automatic Positioning and ios Positioning The automatic positioning function is required in the project recently, that is, when you attend a meeting and sign in by scanning the QR code, the system automatically locates and uploads your

GitHub code upload and github code uploadMethod 1   After logging on to GitHub, click the New responsitory button shown below You can also click the green button New repository to create a New remote repository. After clicking this button, the

Memory debugging tool description-demo, memory debugging tool demo In the development process, we sometimes encounter Memory leakage. Apple provides a powerful Instruments tool to detect iOS app memory leaks. The following describes the Instruments

IOS ARM and X86, iOSARMX86Introduction: armv7 | armv7s | arm64 is an ARM processor's Instruction Set i386 | x86_64 is a Mac processor's Instruction Set Arm64: iPhone X | iPhone8 | iPhone7 | iPhone6s | iphone6s plus | iPhone6 | iPhone6 plus | iPhone5

Objective-C Inheritance, objective-c One of the most important concepts in object-oriented programming is that of inheritance. inheritance allows us to define a class in terms of another class which makes it easier to create and maintain an

IOS development, Because Object-C does not support multi-inheritance, it is often replaced by Protocol. Protocol can define only one set of public interfaces, but it cannot provide specific implementation methods. That is to say, it only tells you

ReactiveCocoa -- RACTuple,Basic Information  Example [[self rac_signalForSelector:@selector(tableView:didSelectRowAtIndexPath:) fromProtocol:@protocol(UITableViewDelegate)] subscribeNext:^(RACTuple *tuple) { NSLog(@"%@"

IOS-UIView encapsulates coordinates and locations, and ios-uiview encapsulates   Create a new extension class UIView + wkjFrame Based on UIView and directly reference it. UIView + wkjFrame. h - (CGPoint)origin;- (void)setOrigin:(CGPoint) point;-

IOS UITableView (multiple options) You often need to edit multiple-choice functions for some lists. UITableview provides the multiple-choice deletion function, which is easy to use. You do not need to store data or switch the selected status by

Common iOS lock Methods Lock usageThere are several methods in iOS to solve the problem of mutex synchronization when multiple threads access the same memory address: Method 1, @ synchronized (id anObject), (simplest method)The parameter object is

[Reading Notes] iOS-Apple mobile device hardware, Reading Notes ios-apple The key point in this book is: "hardware is not particularly important, and user experience is the real killer application. "Even so, learning more about the hardware you use

What are the differences between iOS notifications, local notifications, and push notifications? APNS mechanism ., Iosapns Local/push notifications are designed for different needs.Local notifications are local for iPhone, iPad, or iPod.Push