学习园地

摘要： IOS SDK6/Xcode4.5开始在Storyboad中新增很多功能对可视化的开发页面布局，导航更加方便，下面就写一下各种导航的实现。1、不用像Xcode4之前必须删除默认的viewcontroller，然后拖一个navigation controller，然后才能实现导航。只需要选择默认的viewcontroller ，在菜单上选择editor-embed in- 2、下面实现导航最简单的就是next,back,只需要按住ctr直接拖线就好了，这里有一个Storyboard Segue-Identifier这个值最好填上，可以在代码里面用到这个Identifier的值可以一般在两个地方会 阅读全文

摘要： 在scanview中添加扫描区域ZBarReaderViewController *reader = [ZBarReaderViewController new]; reader.readerDelegate = self; //CGRect frame= CGRectMake(20, 30, 320, 260); reader.scanCrop= CGRectMake(0.2, .1, .47, .8); 自定义scanview添加一个自定义的扫描框- (UIView *)setOverlayPickerView{ UIView *v=[[UIView alloc]... 阅读全文

摘要： http://pastebin.com/wSVW1tRcCGRect scanCropThe region of the video image that will be scanned, innormalized image coordinates. Note that the video image is in landscape mode (default {{0, 0}, {1, 1}})The coordinates for all of the arguments is in a normalized float, which is from 0 - 1. So, in norma 阅读全文

摘要： Assuming you have storyboard, go to storyboard and give your VC an identifier (inspector), then do: UIStoryboard *storyboard = [UIStoryboard storyboardWithName:@"MainStoryboard" bundle:nil];UIViewCon... 阅读全文

摘要： Why All The Lambdas?Tuesday, November 27, 2012"Why All The Lambdas?" is a question that comes up with ASP.NET MVC.@Html.TextBoxFor(model => model.Rating)Instead of lambdas, why don't we just pass a property value directly?@Html.TextBoxFor(Model.Rating)Aren't we simply trying to 阅读全文

摘要： 代码--(IBAction)uploadAction:(id)sender{NSString*urlstring=self.urlTextField.text;//NSString*poststr=@"";NSData*imgData=UIImageJPEGRepresentation(self.previewImageView.image,0.9f);NSString*boundary=@"0xKhTmLbOuNdArY";NSString*contentType=[NSStringstringWithFormat:@"multipart/f 阅读全文

摘要： BizTalk for AS2 加密/加签传输练习AS2是互联网上安全，可靠地传输数据的最常用的方式。AS2为信息建立信封并通过电子证书和加密在互联网上安全地发送出去。因此被很多大公司特别是国外的公司在B2B领域广泛使用。BizTalk从2006开始内建支持AS2；而且配置很简单（如果你知道了AS2基本原理和BizTalk的基本配置）AS2传输方式AS2简单的说类似SSL，通过HTTP/HTTPS协议传输；利用证书实现加签和加密，因此必须要可用于交换和加签的证书（说白了就是需要带私钥的证书，下面会提到怎么申请证书）。练习的环境一台BizTalk（Fabrikam），从文件目录下把XML文件通过 阅读全文

摘要： ErrorTF30170: The plugin Microsoft.ProjectCreationWizard.WorkItemTracking failed during task WITs from group WorkItemTracking.ExplanationPlugin error text: “Value cannot be null. Parameter name: TF223000: The identity object returned by ReadIdentities contains a null value for the following register 阅读全文

摘要： Here is a simple and sample code that demonstrate the photo slide function with zoom using uiscrollview.this is the first photoslidingzooming in particular photo1. first drag three photos to your project , size not important .2 viewcontroller.h 's code#import <UIKit/UIKit.h>@interface View 阅读全文

摘要： -(void)viewDidLoad{[superviewDidLoad];[theScrollViewsetContentSize:CGSizeMake(3*theScrollView.bounds.size.width,theScrollView.bounds.size.height)];[theScrollViewsetPagingEnabled:YES];CGRectaFrame=theScrollView.bounds;UIView*view;NSLog(@"Frame:%@",NSStringFromCGRect(aFrame));view=[[UIViewal 阅读全文