lonelytango

#import <objc/runtime.h>

@implementation UIViewController (Tracking)

+ (void)load {
    static dispatch_once_t onceToken;
    dispatch_once(&onceToken, ^{
        Class class = [self class];

        SEL originalSelector = @selector(viewWillAppear:);

lonelytango

let listItem = list.removeAtIndex(fromIndex)
list.insert(listItem, atIndex: toIndex)

lonelytango

#import <objc/runtime.h>

@implementation UIViewController (Tracking)

+ (void)load {
    static dispatch_once_t onceToken;
    dispatch_once(&onceToken, ^{
        Class class = [self class];

        SEL originalSelector = @selector(viewWillAppear:);

lonelytango

CGSize maximumLabelSize = CGSizeMake(tableView.width, MAXFLOAT);

NSStringDrawingOptions options = NSStringDrawingTruncatesLastVisibleLine |
                                 NSStringDrawingUsesLineFragmentOrigin;

NSDictionary *attr = @{NSFontAttributeName: [UIFont systemFontOfSize:15]};
CGRect labelBounds = [string boundingRectWithSize:maximumLabelSize 
                                          options:options
                                       attributes:attr
                                          context:nil];

lonelytango

class func genRandStringLength(len: Int) -> String {
    var randomString :String! = String();
        
    for index in 0..<len {
            
        let letters = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
        let randomIndex = arc4random_uniform(UInt32(countElements(letters)))
        let index = Int(randomIndex)
        let aChar = letters.characterAtIndex(index);
        randomString = randomString.stringByAppendingString(aChar);

lonelytango

func localURL(filename: String) -> NSURL {
  let urls = NSFileManager.defaultManager().URLsForDirectory(.DocumentDirectory, inDomains: .UserDomainMask)
  let url = urls[urls.count-1] as NSURL
  return url.URLByAppendingPathComponent(filename)
}

lonelytango

- (NSInteger)binarySearch:(id)object inArray:(NSArray *)array {
    
    NSInteger minIndex = 0;
    NSInteger maxIndex = [array count] - 1;
    
    while (maxIndex >= minIndex) {
        NSInteger midIndex = (maxIndex + minIndex) / 2;
        
        if ([array[midIndex] compare:object] == NSOrderedAscending) {
            minIndex = midIndex + 1;

lonelytango

- (NSArray *)mergeSort {
    
    if ([self count] <= 1) {
        return self;
    }
    
    NSArray *array1, *array2;
    //If array count is odd
    
    NSInteger arrayHalfSize = [self count] / 2;

lonelytango

- (NSArray *)insertionSort {
    
    //Do nothing if the array has less than or only 1 object
    if ([self count] <= 1) {
        return self;
    }
    
    NSMutableArray *sortedArray = [self mutableCopy];
    
    for (int j = 1; j < [sortedArray count]; j++) {

lonelytango

CGRect rectFor1PxStroke(CGRect rect) {
    return CGRectMake(rect.origin.x + 0.5, rect.origin.y + 0.5, rect.size.width - 1, rect.size.height - 1);
}