dniswhite

dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), {
  // do some task(s) on a separate thread from UI
  dispatch_async(dispatch_get_main_queue()) {
	  // update some UI on the UI thread
  }
}

dniswhite

-(NSString *) reverseString: stringToReverse {
  NSMutableString *reversedString = [NSMutableString string];
  NSInteger charIndex = [stringToReverse length];
  while (charIndex > 0) {
    charIndex--;
    NSRange subStrRange = NSMakeRange(charIndex, 1);
    [reversedString appendString:[stringToReverse substringWithRange:subStrRange]];
  }

  return reversedString

dniswhite

-(void) sharePicture {
    NSString *textToShare = @"Check out this picdoodle that I created.";
    UIImage * image = [self getPicture];
    
    NSArray *objectsToShare = @[textToShare, image];
    
    UIActivityViewController *activityVC = [[UIActivityViewController alloc] initWithActivityItems:objectsToShare applicationActivities:nil];
    
    NSArray *excludeActivities = @[UIActivityTypeAirDrop,
                                   UIActivityTypePrint,

dniswhite

#import <UIKit/UIKit.h>

@class SomeViewController;

@protocol SomeViewControllerDelegate <NSObject>

-(void)delegateMethodName: (SomeViewController *) controller;

@end
@interface SomeViewController : UIViewController

dniswhite

-(BOOL) isValidEmail:(NSString *)checkString
{
   BOOL stricterFilter = NO; // Discussion http://blog.logichigh.com/2010/09/02/validating-an-e-mail-address/
   NSString *stricterFilterString = @"[A-Z0-9a-z\\._%+-]+@([A-Za-z0-9-]+\\.)+[A-Za-z]{2,4}";
   NSString *laxString = @".+@([A-Za-z0-9-]+\\.)+[A-Za-z]{2}[A-Za-z]*";
   NSString *emailRegex = stricterFilter ? stricterFilterString : laxString;
   NSPredicate *emailTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", emailRegex];
   return [emailTest evaluateWithObject:checkString];
}

dniswhite

function convertBase64toImage(id, image64) {
  var canvas = document.createElement(id);
  var context = canvas..getContext('2d');
  
  var baseImage = new Image();
  
  baseImage.onload() = function() {
    context.drawImage(baseImage, 0, 0);
  };
  

dniswhite

function convertImgToBase64(id, outputFormat){
  var canvas = document.createElement(id);
  var imageDataURL = canvas.toDataURL(outputFormat || 'image/png');
  
  return imageDataURL;
}

dniswhite

(function($) {
    // using $.fn.extend allows us to expand on jquery
    $.fn.extend({pluginName:function(options){
        // save a link to your instance
        var plugin = this;
		
        var defaultOptions = {
            // add what you know are default values for your options
        };
		

dniswhite

//  Created by Dennis White 
//  Copyright (c) 2014 dniswhite. All rights reserved.
//

#import <Foundation/Foundation.h>

@interface SingletonManager : NSObject

+(id) sharedSingletonManager;

dniswhite

function Timer(callback, delay) {
    if (!isNaN(delay) && callback) {
        if (delay < 1000) delay = 1000;

        this.delay = delay;
        this.callback = callback;

        var running = false;

        this.ticker = function (a) {