IOS

Objective-C data set and objective-c set 1. NSSet 1. It is an unordered collection class that manages multiple objects. The biggest feature is that duplicate objects are not allowed in the collection, which is similar to the mathematical meaning of

Set the image to the right of UITextField in iOS and complete UITextField SolutionEffect: Encapsulated method: A small encapsulated method is shared to facilitate code copy in the future. If you have better suggestions, you can tell me that object-

Limit the length of UITextField input. I. Preface For example, I can only enter 11 characters in textfield. If I enter more characters, only 11 characters in textfield will be displayed. If ReactiveCocoa is used, this is a good solution. However,

IOS UITableView solution for loading images with unknown width and height, During development, the UITableView list UITableViewCell loads images but does not know the width and height of the Image. To solve this problem, we first think of

UINavigationController, uinavigationbar MASTER: 1. Use UINavigationController: add and remove controllers. 2. UINavigationBar content settings.  Bytes ---------------------------------------------------------------------------------------------------

Custom NSLog for release and debugging, custom nslog debuggingProblem A large numberNSLogBut you want to cancel theseNSLog Is it often used during development?NSLog(@"%s", __FUNCTION__); Solve the problem NewExtendNSLogClass, inherited

[IOS development] AutoLayout (Code-only) and iosautolayout For AutoLayout, it was first introduced from iOS6.The main function is to use constraints to relatively layout the view to adapt to the transformation of different screens. A large amount of

UIButton Image On UIButton, by default, the picture is in the left text on the right, and in most cases, the default display format cannot meet our needs. Next I will share my experiences on this issue. By default, the effects that are not set are

IOS advanced development -- CollectionView: Modify cell text and model reconstruction This blog is based on "iOS advanced development-CollectionView dynamic addition, deletion, cell, and model reconstruction. In the previous blog, we added and

IOS ----- use GCD for multithreading, and ios ----- gcd for MultithreadingTwo core concepts of implementing multi-threaded GCD using GCD are as follows: Queue The queue is responsible for managing tasks submitted by developers. The GCD

(No. 00004) implementing the brick-hitting game for iOS (6): rebound Rod   Another element of the brick-hitting game is the rebound rod. In this class, we will implement the rebound rod class.Create a bounce stick header file Create a Stick

Objective-C learning 03-inheritance, objective-c03 inheritanceOutline:Basic concepts of InheritanceCustom Initialization MethodConstructor MethodOverride description   1. inherit Basic Concepts The objects in the program are the same as those of

ANSI escape code, ansiescapecode Recently, I am working on the SSH Terminal Project on iOS. It is mainly to remotely connect to Unix systems on mobile phones and perform some simple commands, similar to SecureCRT; today I want to summarize the new

OC, oc LanguageOverview Introduction CAAnimationGroup is also called a group animation or animation group. Place multiple animations in an animation group and assign them to the animation attributes of the layer. All animations in the

[Reading Notes] iOS network-underlying network, Reading Notes ios On iOS, there is a library called Core Foundation networking or CFNetwork, which is a lightweight encapsulation of the original Socket, but it quickly becomes very heavy for most

ReactiveCocoa basic knowledge, reactivecocoa This article records some basic knowledge about ReactiveCocoa. If you do not know ReactiveCocoa related concepts, you can search online. RACSignal has many ways to subscribe to different event types, the

IOS development-Where can I update the location information of the custom view subviews? (DrawRect: Or layoutSubviews ?), Subviewsdrawrect For custom, you can add content through addSubview or draw content through Core Graphic.   For the latter,

Use AudioStreamer to quickly click the next or last button, and the audio will be resolved repeatedly ., Audiostreamer To solve this problem, I add a new attribute to the AudioStreamer. h file. @ Property (nonatomic, strong) NSURL * musicUrl; And a

Briefly describe the seven methods for passing values between UIViewControl ~~~, Seven types of uiviewcontrol I will summarize several methods of passing values between the UIViewControl I learned here. I hope that my shoes will support more ~~~ I.

IOS remote Push umeng Push and iospush One task after I joined the company is remote Push. I heard the boss say that umeng push is used. So I checked umeng Push. For details about integration and certificate generation, refer to here. I will not