Mobile Develop

补充说明：前面我们修改和增加都使用了goods_id,没有像表单页面中需要的那些字段一样设置成attr_accessible，是因为我们数据库中该商品号字段设计为自增所以不需要在表单中添加该字段的输入框。而添加商品或修改商品都涉及到我们去修改数据库中的数据，而商品号我们在add页面没有去修改，是数据库自增的，在edit页面也没有修改商品号商品号仍然是原来的。至于我们根据goods_id来找到修改的链接页面这个我们只是读取，没有写，所以不设置attr_accessible，默认为protected

First on:This program is divided into 2 levels, one is the top of the bar with Uitextfield, one is the drop-down selected view, the drop-down selected view with 4 of their own definition of UIViewWe first define a uiviewcontroller called

After learning about the technology of Android multithreaded programming, it is important to be one of the four components of Android.Define a serviceFirst look at how to define a service in your project, Public classMyService extends Service

XML version= "1.0" encoding= "Utf-8"?>Manifestxmlns:android= "Http://schemas.android.com/apk/res/android" Package= "Com.wbh.hoge.crmapp"> ApplicationAndroid:name= ". Base. Sdcrmapplication "Android:allowbackup= "true"Android:icon=

A brief description: In fact, these three are the storage set of the jar package.The 1.JRE System Library primarily stores J2SE standard jars, which are generally not required for adjustment.2.Referenced Libraries is a jar package that holds a third

I. Processes and Threads1. What is a processA process is an application that is running in the systemEach process is independent, and each process runs within its dedicated and protected memory spaceFor example, open QQ, Xcode, the system will start

LinearLayout is used very much in the Androidui layout, which has a handy and interesting property weight, this attribute is not so simple to understand, and it is very simple to understand and feel!This is illustrated by an example below.Weight the

(Has been for several days, failed, very helpless)A little experience is written here.One. 1. Download adt-bundle-linux-x86_64-**** directly (including Eclipse and ADT and SDK)2.3. Installing the JDK4. Set the SDK path5. Restart Eclipse6. Download

One, the method of the proxy transfer valueIn 1.hehe1viewcontroller.h#import @protocol hehe1viewcontrollerdelegate -(void) Backvaluewith: (nsstring*) str;@end@interface Hehe1viewcontroller:uiviewcontroller@property (nonatomic,weak) ID

This is very simple, just an input box, a button, a textview used to display the converted string, the button has an event, the use of visual interface to add, after all, it is very convenient!Layout file Code:1 LinearLayoutxmlns:android=

the difference between iOS and Android in app testing:1.AndroidSystem (http://www.maiziedu.com/course/android-px/)Mobile PhoneLong Press the home key to exhale the app list and switch apps, then right-swipe to terminate the app;2. Multi-resolution

#pragma mark determines the mailbox's+ (BOOL) Isvalidateemail: (nsstring *) Email{NSString *emailregex = @ "[A-z0-9a-z._%+-][email protected][a-za-z0-9.-]+\\\\. [A-za-z] {2,4} ";Nspredicate *emailtest = [Nspredicate predicatewithformat:@ "Self

0 IntroductionThe evolution of the Times and the development of technology. Today, apps have become the core channel for most Internet companies to get users. At the same time, as the volume of business grows, the growing and increasing number of

Knowledge points1. Understanding the concept of threadingUse of 2.NSThreadUse of 3.NSOperationUse of 4.GCD5. Wire lock, Thread safe===============================1. Multithreading is a multi-tasking implementation of the technology, allowing

Today, when I was writing a project, I met a maddening thing.As the title shows, this method is used to get round and round.-(void) Scrollviewdidendscrollinganimation: Is the method in the protocol.This means that it is called when the animation

1. The view boundary, left, top, right, bottom (i.e., top to bottom), these values are relative to view's parent container;2. View x, Translationx, y, Translationy, translationx/y represent offsets relative to the left,top, and are generally used in

Demo GitHub address: Https://github.com/liuzhiyi1992/ZYThumbnailTableViewOriginal Address: http://zyden.vicp.cc/zythumbnailtableview/Welcome reprint, Please indicate the source, thank youThe OC version is updated later Expandable Preview

Statement: I small white, just learning Android development, The following are some of their own development problems encountered, will be the solution to paste out for your reference, ask the big God do not spray ...Want to learn to use the high-d

1. afnetworkingIn many iOS open source projects, afnetworking can be called the most popular library project for Developers. Afnetworking is a lightweight ios, MAC OS x network Communications Library and is now the third largest objective-c

Inter-program Communication1 Set the program identification, the name of their own,2 Add this line of code where you want to jumpUIApplication sharedapplication] Openurl:[nsurl urlwithstring:@ "producttwo:"];Example: :(call OpenURL in one