哈哈的专栏

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions{ self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]]; //

+(BOOL)alertPhoneString:(NSString *)text  ifalert:(BOOL)ifalert{//判断是手机号码           if (text.length==0) {       UIAlertView *alert=[[UIAlertViewalloc]initWithTitle:@"提示"message

-(void)post:(NSString *)headurl body:(NSString *)body method:(NSString *)method delegate:((idDoneRequestDelegate>)delegate {    dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIO

+ (NSString *) setmd5:(NSString *) input{        //MD5加密   const char *cStr = [inputUTF8String];   unsigned char digest[16];   CC_MD5( cStr, strlen(cStr), digest );// This is t

+(NSString *)dayformatter:(NSString *)time{     //将获取到的时间转换为yyyy-mm-dd,YYYY-MM-dd HH:mm:ss    NSDate *date=[NSDatedateWithTimeIntervalSince1970:[timedoubleValue]/1000];    NSLog(

+ (NSString *)flattenHTML:(NSString *)html{//去除html格式       NSScanner *theScanner;       NSString *text = nil;        theScanner = [NSScannerscannerWithString:html];

NSArray *testArray = [NSArrayarrayWithObjects:@"2.0", @"2.3", @"3.0",@"4.0", nil];NSNumber *sum = [testArrayvalueForKeyPath:@"@sum.floatValue"];NSNumber *avg= [testArray valueForKeyPath:@"@avg.flo

iOS开发单例模式 dispatch_onceiOS开发单例模式什么是单例单例模式是一种常用的软件设计模式。在它的核心结构中只包含一个被称为单例类的特殊类。通过单例模式可以保证系统中一个类只有一个实例而且该实例易于外界访问，从而方便对实例个数的控制并节约系统资源。如果希望在系统中某个类的对象只能存在一个，单例模式是最好的解决方案。iOS开发中如何使用单例传统的单例构造方法+

- (void)didMoveToView:(SKView *)view{ if (view == self.view && self.sceneType==Scene_Me) { // Add swipe recognizer immediately after we move to this scene. UIPanGestureRecognizer

一、     新建一个空的Application    二、新建storyboard 将新建的MainStoryboard 设置为主storyboard   三、1、拖拽UITabbarController到mainstoryboard 拖拽UITabbarController 到storyboard之后会

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions{ self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]]; //

利用贝塞尔曲线画的颜色选择器居然被code4app推荐了 ， 可惜大家都只在code4app上评论，木有去git上给我小星星，不管怎么样留个纪念