josephchang10

func swapTwoInts(_ a: inout Int, _ b: inout Int) {
    let temporaryA = a
    a = b
    b = temporaryA
}

var someInt = 3
var anotherInt = 107
swapTwoInts(&someInt, &anotherInt)
print("someInt 现在是 \(someInt)，anotherInt 现在是 \(anotherInt)")

josephchang10

func swapTwoValues<Joseph>(_ a: inout Joseph, _ b: inout Joseph) {
    let temporaryA = a
    a = b
    b = temporaryA
}

var someInt = 3
var anotherInt = 107
swapTwoValues(&someInt, &anotherInt)
print("someInt 现在是\(someInt)，anotherInt 现在是 \(anotherInt)")

josephchang10

let fontSize: CGFloat = 22.0

func sizeHeightWithText(labelText: NSString,
    fontSize: CGFloat,
    textAttributes: [String : Any]) -> CGRect {
        
    return labelText.boundingRect(
        with: CGSize(width:fontSize, height:480),
            options: NSStringDrawingOptions.usesLineFragmentOrigin,
            attributes: textAttributes, context: nil)

josephchang10

import UIKit

func sizeHeightWithText(labelText: String,
                        fontSize: CGFloat,
                        textAttributes: [String : AnyObject]) -> CGRect {
    
    return labelText.boundingRect(
        with: CGSize(width:fontSize, height:480),
        options: NSStringDrawingOptions.usesLineFragmentOrigin,
        attributes: textAttributes, context: nil)

josephchang10

- (void)initSearchBar
{
    searchBar = [[UISearchBar alloc] initWithFrame:CGRectMake(0, 0, self.view.frame.size.width, 44)];
    [searchBar sizeToFit];
    searchBar.placeholder = [IFI18nUtils getLocalizedString:@"SEARCH"];
    searchBar.delegate = self;
    searchBar.backgroundColor = [UIColor clearColor];
    [self.collectionView setContentInset:UIEdgeInsetsMake(-44, 0, 0, 0)];
}

josephchang10

- (void)initSearchBar
{
    searchBar = [[UISearchBar alloc] initWithFrame:CGRectMake(0, 0, self.view.frame.size.width, 44)];
    [searchBar sizeToFit];
    searchBar.placeholder = [IFI18nUtils getLocalizedString:@"SEARCH"];
    searchBar.delegate = self;
    searchBar.backgroundColor = [UIColor clearColor];
    [self.collectionView setContentInset:UIEdgeInsetsMake(-44, 0, 0, 0)];
}

josephchang10

NSSortDescriptor * descriptor = [[NSSortDescriptor alloc] initWithKey:@"interest" ascending:YES];
stories = [stories sortedArrayUsingDescriptors:@[descriptor]];
recent = [stories copy];

josephchang10

DispatchQueue.main.async {
        self.imageView.image = image
    }

josephchang10

    override var prefersStatusBarHidden: Bool {
        return true
    }
    
    override var supportedInterfaceOrientations: UIInterfaceOrientationMask {
        return [UIInterfaceOrientationMask.portrait, UIInterfaceOrientationMask.portraitUpsideDown]
    }

josephchang10

/* myArray is a NSMutableArray with some objects */
NSUInteger count = [myArray count];
for (NSUInteger i = 0; i < count; ++i) {
	int nElements = count - i;
	int n = (arc4random() % nElements) + i;
	[myArray exchangeObjectAtIndex:i withObjectAtIndex:n];
}