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NSCalendar *cal = [NSCalendar currentCalendar];
NSDateComponents *comp = [NSDateComponents new];	
comp.day = 31;
comp.month = 1;
comp.year = 2012;
NSDateComponents *addMonthComp = [NSDateComponents new];
addMonthComp.month = 1;
NSLog(@"31th Jan + 1 month: %@",[cal dateByAddingComponents:addMonthComp toDate:[cal dateFromComponents:comp] options:0]);

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.DS_Store
*.mode1
*.mode1v3
*.mode2v3
*.perspective
*.perspectivev3
*.pbxuser
xcuserdata/
project.xcworkspace/
.svn

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//This function is where all the magic happens
-(void)tableView:(UITableView *)tableView willDisplayCell:(UITableViewCell *)cell forRowAtIndexPath:(NSIndexPath *)indexPath{
    
    
    //1. Setup the CATransform3D structure
    CATransform3D rotation;
    rotation = CATransform3DMakeRotation( (90.0*M_PI)/180, 0.0, 0.7, 0.4);
    rotation.m34 = 1.0/ -600;
    

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#import <Cocoa/Cocoa.h>
 
@interface LBHView : NSView
 
/// This property controls whether the view can indirectly control its
/// backing layer's properties, specifically the following:
///		`affineTransform`
///		`anchorPoint`
///
/// These properties cannot be modified on the layer during the time that

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// Fill this out with whatever you want. Use the same string
// and algorithm to scramble the files on the server.
static unsigned char secretString[SECRET_STRING_LENGTH];

- (NSData *)scrambleOrDescrambleData:(NSData*)input
{
    unsigned char *outputBytes = malloc(input.length);
    memcpy(outputBytes, input.bytes, input.length);
    for (int i = 0; i < input.length; i++)
    {

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2 options:

1. set the environment variable NSObjCMessageLoggingEnabled to YES. This will write a log of all message sends in the folder /tmp/msgSends-xxx.

2. #import <objc/runtime.h>
   call (void)instrumentObjcMessageSends(YES); to enable
   call (void)instrumentObjcMessageSends(NO); to disable. All output is logged to /tmp/msgSends...

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		NSDecimalNumber *price = [NSDecimalNumber decimalNumberWithString:@"1.99"];
		NSLocale *priceLocale = [[[NSLocale alloc] initWithLocaleIdentifier:@"be_BE"] autorelease]; // get the locale from your SKProduct

		NSNumberFormatter *currencyFormatter = [[[NSNumberFormatter alloc] init] autorelease];
		[currencyFormatter setNumberStyle:NSNumberFormatterCurrencyStyle];
		[currencyFormatter setLocale:priceLocale];
		NSString *currencyString = [currencyFormatter currencySymbol];
		NSString *format = [currencyFormatter positiveFormat];
		format = [format stringByReplacingOccurrencesOfString:@"¤" withString:currencyString];
		    // ¤ is a placeholder for the currency symbol

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class ViewController: UITableViewController {

    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view, typically from a nib.
    }

    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.

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- (void)switchToViewController:(UIViewController *)viewController
{
    UIViewController *currentViewController = self.childViewControllers[0];
    [self addChildViewController:viewController];
    [self transitionFromViewController:currentViewController toViewController:viewController duration:0.2 options:UIViewAnimationOptionTransitionCrossDissolve animations:^{}
                                                 completion:^(BOOL finished) {
                                                     [currentViewController removeFromParentViewController];
                                                     [self.containerView addSubview:viewController.view];
                                                }];
}

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import UIKit

class ExpenseListViewController : UITableViewController, UITableViewDataSource, UITableViewDelegate {
    
    struct TableViewCellIdentifiers {
        static let BasicCell = "BasicCell"
    }
    
    // MARK: - UITableViewDataSource