Zian Chen lonelytango
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| #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
/ SwiftArrayExchange.txt
Last active
October 17, 2015 05:11
Exchange items in swift array
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| let listItem = list.removeAtIndex(fromIndex) | |
| list.insert(listItem, atIndex: toIndex) |
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| #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
/ Replace sizeWithFont
Last active
August 29, 2015 14:20
Method to replace sizeWithFont:constrainedToSize:lineBreakMode:
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| 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
/ Random String with Count
Created
August 7, 2014 17:49
Generate random string with provided number of characters
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| 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
/ Local File URL
Created
August 7, 2014 17:46
Local document URL with provided file name
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| 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) | |
| } |
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| - (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; |
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| - (NSArray *)mergeSort { | |
| if ([self count] <= 1) { | |
| return self; | |
| } | |
| NSArray *array1, *array2; | |
| //If array count is odd | |
| NSInteger arrayHalfSize = [self count] / 2; |
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| - (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
/ Draw Perfect Rect Stroke
Last active
December 16, 2015 17:10
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| CGRect rectFor1PxStroke(CGRect rect) { | |
| return CGRectMake(rect.origin.x + 0.5, rect.origin.y + 0.5, rect.size.width - 1, rect.size.height - 1); | |
| } |