Master HaKu

摘要： Presenting and Managing Views with UIViewControllerProblemYou want to switch among different views in your application.SolutionUse the UIViewController class.(Apple’s strategy for iOS development was to use the model-view-controller (MVC) divisionof labor. Views are what get displayed to users, whil 阅读全文

摘要： You would like to present a few options to your users from which they can pick anoption, through a UI that is compact, simple, and easy to understand.effect:1. declare control#import "ViewController.h"@interface ViewController ()@property (nonatomic, strong) UISegmentedControl *mySegmented 阅读全文

摘要： Picking the Date and Time with UIDatePickereffect:1. declaring a property of type UIDatePicker#import "ViewController.h"@interface ViewController ()@property (nonatomic, strong) UIDatePicker *myDatePicker;@end@implementation ViewController...2. instantiate the date picker- (void)viewDidLoa 阅读全文

摘要： Creating and Using Switches with UISwitchYou would like to give your users the ability to turn an option on or off.effect as follow:SolutionUse the UI... 阅读全文

摘要： 1. Viewspresentation:A view (an object whose class is UIView or a subclass of UIView) knows how to draw itself into a rectangular area of the interface.eg: you can drag an interface widget, such as a UIButton, into a view in the nib editor; when the app runs, the button appears, and works properly.i 阅读全文

摘要： synthesize creates setter and getter(从Objective-C 2.0开始,合成可自动生成存取方法)the setter is used by IOS to set the pointer of the object on storyboardwe uses getter anytime we want to call the object on storyboard and send messages属性合成的步骤:1) 在接口部分(也就是头文件)使用@property指令标识属性 eg: @property int numerator, denomina 阅读全文

摘要： http://my.oschina.net/sunboy2050/blog/55749 阅读全文

摘要： names = { "小林", "林", "大卫"， "玛丽" }names.each { |name| if /林/ = ~name puts name end}运行结果：小林林 阅读全文

摘要： https://www.dropbox.com/business 阅读全文

摘要： http://www.codeproject.com/Articles/715550/SQL-Server-Replication 阅读全文