/** Iphone database structure* @ Author zye* @ Contact zye@tudou.com* @ Update 20070924* @ Version 0.1* @ Url http://yegq.yeax.com /? P = 162* @ Copyleft this document can be freely distributed. If your iphone application has benefited from this
Before and after 5.0, the corresponding call method has changed the parameter. If a method later than 5.0 is used and cannot be used in a lower version, apple does not advocate the method used in a lower version, there is a
Table A-5 NSServices dictionary keywords
Keyword type description NSPortNameString this keyword specifies the port name provided by your application listener to accept external service requests. NSMessageString this keyword specifies the instance
For example, Colorbox (version: 1.3.19 + jQuery 1.7.2) fails to center the screen in the iPhone browser. After checking for half a day, we found that viewport is set on the page, while $ window. width ()/$ window. height () is used in Colorbox to
Always remember the life cycle of viewsDo not access self. view in the init MethodUse data source protocols (data source Protocol) to clearly distinguish data from the view
UIViewControllerUse an existing navigationitem object
NSObjectExpose only
Recently, the company developed a new project. Since the server side is located in Shanghai and the iphone client is located in Shenyang, communication is not smooth. Previously, data was sent to the server in xml format. Therefore, after being
ASIFormDataRequest is an important part of the ASIHttpRequest class library. You need to take photos of your iPhone and then upload the photos to the server. The following figure shows how to use ASIFormDataRequest to upload images in post mode on
The server side can be implemented using. net, just use the most common web form. aspx.
1. New item default. aspx
Add the following code to default. aspx:
[Html]
2. Go to the default. aspx. cs file.
Add the following code to the Page_Load method:
[
[Plain]/* Verify the mobile phone number modified by helensong */BOOL validateMobile (NSString * mobile ){// The mobile phone number starts with 13, 15, and 18 and contains eight \ d numbersNSString * phoneRegex = @ "^ (13 [0-9]) | (15 [^ 4, \ D]) |
In iOS, if we only need to read an image or a video (or take a photo or video) at one time, we can use UIImagePickerController. However, many times we need to read multiple photos or videos from PhotoLibrary at a time. At this time, we need to find
2. Create a new project
Open Xcode and create a Wax project. The template can be found in User Templates.From now on, APP_ROOT indicates the path of the project.Run the app and you will see "Hello Lua" in the iPhone simulator.
3. Start to use Lua
There are many introductions on the implementation and Principles of the ios message push mechanism (APNS) on the Internet, but they are scattered.After several attempts, I finally successfully implemented the push process.Here, I will post my
There are some classes in UIKit that can be used to manipulate a single image, and an image class that can be used to display an image. Apple also provides a special navigation controller for selecting images from the image repository.
The UIImage
Most of the time, we are worried about shielding the keyboard from screens that are not big enough. Especially when the user is in the editing status, the content under the keyboard cannot be seen, and the user can only be blind. Now there is a
47. What is kvc? What is kvo? What are the features?
48. What is the responder chain?
49. How do processes communicate with each other on unix?
UNIX mainly supports three communication modes:
1. Basic Communication: Mainly used to coordinate
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