vikdenic

class AppDelegate: UIResponder, UIApplicationDelegate {
 
 let APP_ID = "YOUR-APPLICATION-ID"
 let SECRET_KEY = "YOUR-APPLICATION-IOS-SECRET-KEY"
 let VERSION_NUM = "v1"
 
 var backendless = Backendless.sharedInstance()
 
 var window: UIWindow?
 

vikdenic

#import "UICollectionView+CellRetrieval.h"

@implementation UICollectionView (CellRetrieval)

-(NSArray *) allCells {
    NSMutableArray *cells = [[NSMutableArray alloc] init];
    for (NSInteger j = 0; j < [self numberOfSections]; ++j)
    {
        for (NSInteger i = 0; i < [self numberOfItemsInSection:j]; ++i)
        {

vikdenic

Parse.Cloud.beforeSave("Entry", function(request, response) {
    var entry = request.object;
    var contest = request.object.get("contest");

    var fetchedUser, fetchedContest;
    var errorMessage;

    entry.get("user").fetch().then(function(result) {
        fetchedUser = result;
        return contest.fetch();

vikdenic

extension String {

     func isValidString() -> Bool {

        var charSet = NSCharacterSet(charactersInString: "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890_")
        charSet = charSet.invertedSet

        let range = (self as NSString).rangeOfCharacterFromSet(charSet)

        if range.location != NSNotFound {

vikdenic

// In this example, we will create a class method for our PFUser subclass
// The method will register a new user, but throw certain error types for us to exhaustively handle 

// First, we define our errors as an enum that conforms to ErrorType
// Here we anticipate common error cases 
enum SignUpError: ErrorType {
    case EmptyFields
    case TooLong
    case TooShort
}

vikdenic

    if shouldShareToTwitter == true {

        if didSaveToTwitter == false {

                //In ReviewInfoViewController, we have started a session with logInWithCompletion()
                let store = Twitter.sharedInstance().sessionStore

                if let userid = store.session()?.userID {

                    let client = TWTRAPIClient(userID: userid) //we have this from logInWithCompletion() in the previousVC

vikdenic

#import "VZClassHelper.h"
#import <objc/runtime.h>

@implementation VZClassHelper

+(NSMutableArray *)allPropertiesFromObject:(NSObject *)object ofType:(Class)class
{
    NSMutableArray *array = [NSMutableArray new];
    unsigned int count=0;
    objc_property_t *props = class_copyPropertyList([object class],&count);

vikdenic

-(void)constrainSubview:(UIView *)subview toSuperview:(UIView *)superview {
    subview.translatesAutoresizingMaskIntoConstraints = NO;
    // initialize

    NSLayoutConstraint *width =[NSLayoutConstraint
                                constraintWithItem:subview
                                attribute:NSLayoutAttributeWidth
                                relatedBy:0
                                toItem:superview
                                attribute:NSLayoutAttributeWidth

vikdenic

@implementation ContactsManager

+(void)requestContactsAccess:(void (^)(BOOL success, ABAddressBookRef addressBook, CFErrorRef error))completionHandler
{
    CFErrorRef error = NULL;
    ABAddressBookRef addressBook = ABAddressBookCreateWithOptions(NULL, &error);

    ABAddressBookRequestAccessWithCompletion(addressBook, ^(bool granted, CFErrorRef error) {
        if (!granted)
        {

vikdenic

-(instancetype)initWithName:(NSString *)name andGeoPoint:(PFGeoPoint *)geoPoint {
    AppDelegate *appDelegate = [[UIApplication sharedApplication]delegate];
    self = [NSEntityDescription insertNewObjectForEntityForName:NSStringFromClass([CDRegion class]) inManagedObjectContext:appDelegate.managedObjectContext];
    self.name = name;
    self.longitude = [NSNumber numberWithDouble:geoPoint.longitude];
    self.latitude = [NSNumber numberWithDouble: geoPoint.latitude];
    return self;
}