计算机学习园

我觉得可以在uiimageview的layer上做文章。如下：self.imageView.layer.borderColor = [UIColorwhiteColor].CGColor;self.imageView.layer.borderWidth = 4;

一，蛇型排n格图精灵//LatticeImage-(void)LatticeImage:(NSArray *)imageArray_ firstImagePoint:(CGPoint) firstImagePoint_ ColumnStep:(float)ColumnStep_ LineStep:(float)linestep_{ for(int i=0; i<imageArray_

NSString * fileName = @"bbbbbaaaabbbb.jpg";        NSString * seachName = @"工";        NSRange range = [fileName rangeOfString:seachName];        if (range.location != NSNotFound)

double version = [[UIDevice currentDevice].systemVersion doubleValue];//判定系统版本。

Xcode 4.3.2错误描述： 证书一切正常！但是上传时仍然出现下面错误！Application failed codesign verification. The signature was invalid,contains disallowed entitlements,or it was not signed with an iPhone Distribution Certif

Boss让我调查一下把html转换成PDF的方法，google之，有很多，都是用webview加载，截屏，转换。于是去向Boss报告，结果他说这样转换成的pdf是纯图片的，不能对文本进行操作了，达不到想要的效果。无奈，继续google。结果，再一次领略了stackoverflow的强大，最终找到一个解决方案：http://stackoverflow.com/q/9528658/966127

1.只有这2种数字键盘才有效果。UIKeyboardTypeNumberPad，UIKeyboardTypePhonePad2. 。keyboardAppearance ＝ UIKeyboardAppearanceAlert - (void)textViewDidBeginEditing:(UITextView *)textView{    NSArray *ws = [[UI

-(void)noshow{    [btnremoveFromSuperview];    }-(void)show{    btn= [[UIButtonalloc]initWithFrame:CGRectMake(0,0,320,480)];        [btnsetTitle:@""forState:UIC

NSString*cellText =[str8mutableCopy];    UIFont*cellFont = [UIFontfontWithName:@"Helvetica"size:14];    CGSizeconstraintSize =CGSizeMake(240.0f,MAXFLOAT);    CGSizelabelSize = [cellTextsiz

1， 看 电脑中没有没这个文件 /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/Library/Frameworks/CoreServices.framework/ ，如果 有就是中招了。2，Target->Build Setting->Search Paths->Fra