Hi Ever wondered how we give multiple button names in alert view other buttons section…and in many more scenarios.. Ok so how we define a function with varargs.. -(void)getMultipleString:(NSString*)firstString ,… NS_REQUIRES_NIL_TERMINATION; Now the definition -(void)getMultipleString:(NSString*)firstString ,… NS_REQUIRES_NIL_TERMINATION { va_list t; va_start(t, firstString); id obj; for (obj = firstString; obj !=… Read more »
Hi Most of xcoders hate both red and green light even at a traffic signal…Lets see how easy it is to remove bad access using instruments in xcode… Step 1. Open your project in xcode and run it using instruments to so press command + I or go to product… Read more »
If you are facing this error set your deployment target to 4.3. By default it is setting to 6(latest).
It seems that ASIFormDataRequestis not working for devices upgraded to iOS6. The developer is no longer updating ASIHTTPRequest so i guess there will not be a update for iOS6. Try moving to other libraries like AFNetworking
the project icon which we see i.e project-name.xcodeproj, is actually a directory, you do this 1. in terminal do cd your project.xcodeproj 2.ls 3.vi project.pbxproj 4. scroll down till /* Begin PBXContainerItemProxy section */ 5.there you will see all sections check for the section which is missing a portal key… Read more »
Fun starts Now infoString=@”This is an example of Attributed String”; NSMutableAttributedString *attString=[[NSMutableAttributedString alloc] initWithString:infoString]; NSInteger _stringLength=[infoString length]; UIColor *_black=[UIColor blackColor]; UIFont *font=[UIFont fontWithName:@”Helvetica-Bold” size:30.0f]; [attString addAttribute:NSFontAttributeName value:font range:NSMakeRange(0, _stringLength)]; [attString addAttribute:NSForegroundColorAttributeName value:_black range:NSMakeRange(0, _stringLength)]; //——————————————————————————————– UIColor *_red=[UIColor redColor]; UIFont *font=[UIFont fontWithName:@”Helvetica-Bold” size:72.0f]; [attString addAttribute:NSFontAttributeName value:font range:NSMakeRange(0, _stringLength)]; [attString… Read more »
+ (UIImage *) setImage:(UIImage *)image withAlpha:(CGFloat)alpha{ // Create a pixel buffer in an easy to use format CGImageRef imageRef = [image CGImage]; NSUInteger width = CGImageGetWidth(imageRef); NSUInteger height = CGImageGetHeight(imageRef); CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB(); UInt8 * m_PixelBuf = malloc(sizeof(UInt8) * height * width * 4); NSUInteger bytesPerPixel = 4; NSUInteger… Read more »
Hi all one of my juniors had to make a app in which image cropping was required.The part which required drawing a scalable rectangle on screen was bit tough so here is a simple project…use it where ever u want it ..Happy coding (touch the corner of rectangle and drag it to scale… Read more »
HiParsekit is a very powerfull yet simple tokenizer you can make your own language parser using parse kit.in this post i will tell you how to integrate parsekit to your project.The procee on the parse kit website is for xcode 3. Lets get started Step 1. Take check out of the ParseKit… Read more »
Hi if you got a string which contains comment between some special characters then you can use – (NSString *)stringFilter:(NSString *)targetString { NSScanner *theScanner; NSString *text = nil; theScanner = [NSScanner scannerWithString: targetString]; while ([theScanner isAtEnd] ==… Read more »
