IOS

Use SOCKET for C/S structure programming and connection process   The server listens to a port for connection requests. ServerProgramThe client is in a blocked state and can only run down until it sends a connection request to the server. Once

I. Necessary Conditions 1. an Intel-based Macintosh computer running snow leopard (OS X 10.6.5 or later. 2. Register as an iOS developer and download the ios sdk. 3. Download The xcode integrated development environment. 2. developer

I recently found thatIos6In the future, mobile phones will consume a lot of power, even if the flight mode is enabled for one night.10-15%Power, I press the original method at the same timeHomeKey and key5-8Seconds until the screen appears after the

Swipe shift caretIntroduction: when inserting text in uitextview or uitextfield, you can use your fingers to slide the left and right sides of the screen to adjust the text input cursor (caret ). When you select the text range, you can use your

Phone also supports accessing the local database SQLite 3. Here we will briefly introduce how to use SQLite 3 on the iPhone. First, you need to reference the SQLite 3 development kit in the project. The following is the directory under the

Resources are downloaded from the original post.   1. angrybird space weightless effect Author: qiu198022 Original post address: http://www.cocoachina.com/bbs/read.php? Tid = 98045     2. Special Effects of color motion tracks

Push notificationUsage:   ReferenceResources: Http://tiny4cocoa.com/thread-1406-1-1.html Http://bbs.ldci.com.cn/read.php? Tid-19971.html Http://www.cocoachina.com/bbs/read.php? Tid-3770-keyword-apns.html

I. Exception breakpoint description InCodeIf an exception is thrown, the exception breakpoint stops.ProgramFor example, some methods in nsarray and nsdictionary of foundation. Framework will throw an exception if they cannot meet specific

Preface: I was an Asp.net programmer and later joined the iOS game development team. It has been more than a year now. In the past year, I went to bed every day until 2 or three o'clock, just to learn more. During this time, I learned everything,

In iPhone development, there are many options for XML parsing. the ios sdk provides two class libraries: nsxmlparser and libxml2. There are also many third-party class libraries available, such as tbxml, touchxml, kissxml, tinyxml, and gdataxml.

Programming of iCloud document storage is more complex than key-value data storage, involving custom document classes, obtaining the iCloud document directory, searching for documents in the ubiquity container, saving documents, and resolving

There are four main steps to compile a social network client program.   Next we will introduce the process as follows: 1. Introduce the accounts and social frameworks The accounts and social frameworks need to be introduced in the process. The

Configure iCloud To develop an iCloud application, you must prepare a real iOS device and an iOS developer account, Use the IOS developer account to log on to the configuration portal of the IOS Development Center (IOS provisioning portal URL is

I. common error messages 1.Error: 'xxx' undeclared (first use in this function) Not Defined yet (used for the first time in this function ). Note: If a variable is not defined before use, this error occurs. In OC and C, you must define the variable

Implementation results:    Implementation Process description: In AppDelegate, set window. rootViewController to display the first form, --> In the button in the first form, reset SetRootViewController to set the second form ---> the second

      There are many ways to save data, such as plist files, XML, or text files, but the efficiency is not high. SQLite provides local storage for efficient query and retrieval of big data. SQLite is an open source library, written in C, that

I have been developing an application on the iphone over the past few days. There are problems that require camera/album programming and Image Upload. Here I will summarize them. [Partial knowledge] Images on the iphone are usually stored in four

Three collection classes are used to collect cocoa objects (NSObject objects ): NSArray is used for object Ordered Sets (equivalent to arrays) NSSet is used for unordered objects. NSDictionary for key-value ing The above three collection classes are

Affected Systems: Cisco IOS 12.2 Cisco IOS 12.1 Cisco IOS 12.0 Description: Cisco Internet OS IOS) is the operating system used by Cisco devices. Cisco Systems IOS has a vulnerability in parsing GRE packets containing GRE source route information.

Many network administrators working on Cisco IOS have never bothered to consider the level of permissions they are using or the meaning of these levels. However, Cisco IOS actually has sixteen different permission levels. David Davis discusses these