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let uppercaseLetters = Array(65...90).map {String(UnicodeScalar($0))} | |
func randomLetter() -> String { | |
let randomIndex = arc4random_uniform(UInt32(uppercaseLetters.count)) | |
return uppercaseLetters[Int(randomIndex)] | |
} |
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// In MenuViewController.m replace | |
[[GameCenterManager sharedManager] authenticateLocalPlayer]; | |
// With | |
if(kImplementGameCenter) | |
{ | |
[[GameCenterManager sharedManager] authenticateLocalPlayer]; | |
} | |
self.leaderboardButton.hidden = !kImplementGameCenter; | |
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// Replace this line (at line 169 for me but might be different for you) | |
if(self.gameScore == 0) | |
// With this line | |
if(self.gameScore == 0 && !self.gameTimer) |
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// Replace | |
[self.gameTimer invalidate]; | |
self.gameTimer = nil; | |
// With | |
dispatch_async(dispatch_get_main_queue(), ^{ | |
[self.gameTimer invalidate]; | |
self.gameTimer = nil; | |
}); | |
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class Queue { | |
var items: Array<AnyObject> = [] | |
// Add an object to the tail of the queue | |
func enqueue(object: AnyObject) { | |
items += object; | |
} | |
// Remove the head of the queue and return the object | |
func dequeue() -> AnyObject? { |
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#import <UIKit/UIKit.h> | |
@interface EmailSubscribeViewController : UIViewController <UITextFieldDelegate> | |
@end |
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# sometimes creates it as .img.dmg if so just mv *.img.dmg to *.img | |
hdiutil convert /path/to/.iso -format UDRW -o /path/to/target.img | |
# determine the mount *generally for me /dev/disk2* | |
diskutil list | |
# unmount the disk where N is the disk number | |
diskutil unmountDisk /dev/diskN | |
# write the img to the usb disk |
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require 'benchmark' | |
array = [] | |
1000.times { | |
array << rand(100) | |
} | |
sort_count = 10_000 | |
default_sort_time = Benchmark.realtime do |
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[dict enumerateKeysAndObjectsWithOptions:NSEnumerationConcurrent | |
usingBlock:^(id key, id object, BOOL *stop) { | |
NSLog(@"%@ = %@", key, object); | |
}]; |
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#import "ViewController.h" | |
@interface ViewController () | |
@end | |
@implementation ViewController | |
@synthesize strings; | |
- (void)viewDidLoad |