nvkiet

Solution 1:

NSMangedObjectContext *temporaryContext = [[NSManagedObjectContext alloc] initWithConcurrencyType:NSPrivateQueueConcurrencyType];
temporaryContext.parentContext = mainMOC;
 
[temporaryContext performBlock:^{
   // do something that takes some time asynchronously using the temp context
 
   // push to parent
   NSError *error;

nvkiet

Books

nvkiet

enum SimpleEnum : ExampleProtocol {
    case Base, Adjusted
    
    var simpleDescription: String {
        get {
            return self.getDescription()
        }
    }
    
    func getDescription() -> String {

nvkiet

  NSString* filePath = [[NSBundle mainBundle] pathForResource:@"ck"
                                                         ofType:@"pem"];
 NSData *p12data = [NSData dataWithContentsOfFile:certificatePath];
 NSString *apnsToken = [p12data base64EncodedString];
 NSDictionary *parameters = @{@"apnsToken": apnsToken};

nvkiet

- (void)sendEmailWithReferral:(Referral *)referral completionBlock:(NetworkCompletionBlock)completion {
    [[NetworkHelper sharedInstance] updateEmailAuthorizationForRequestHeader];
    
    NSString *appName=[[[NSBundle mainBundle] infoDictionary] objectForKey:(id)kCFBundleNameKey];
    NSString *message = [NSString stringWithFormat:@"Hi %@\nI found this interesting. You can join %@ and get discount at http://quickref.io/app/%@?code=%@", referral.name, appName, kGroupID, referral.code];
    
    [[NetworkHelper sharedInstance] POST:@"https://api.mailgun.net/v3/quickref.io/messages" parameters:nil constructingBodyWithBlock:^(id<AFMultipartFormData> formData) {
        [formData appendPartWithFormData:[@"[email protected]" dataUsingEncoding:NSUTF8StringEncoding] name:@"from"];
        [formData appendPartWithFormData:[referral.consentEmail dataUsingEncoding:NSUTF8StringEncoding] name:@"to"];
        [formData appendPartWithFormData:[message dataUsingEncoding:NSUTF8StringEncoding] name:@"text"];

nvkiet

- (BOOL)gestureRecognizerShouldBegin:(UIGestureRecognizer *)gestureRecognizer {
    SmoothLineView *smoothLineView = (SmoothLineView *)[self.tableFooterView viewWithTag:SMOOTH_LINE_VIEW_TAG];
    CGRect smoothLineViewFrame = [smoothLineView convertRect:self.tableFooterView.bounds toView:self];
    
    CGPoint touchedPoint = [gestureRecognizer locationInView:self];
    BOOL result = !CGRectContainsPoint(smoothLineViewFrame, touchedPoint);
    return result;
}

nvkiet

It's worth noting that if you want a currently-focused field to update the keyboard type immediately, there's one extra step:

// textField is set to a UIKeyboardType other than UIKeyboardTypeEmailAddress

[textField setKeyboardType:UIKeyboardTypeEmailAddress];
[textField reloadInputViews];

nvkiet

http://stackoverflow.com/questions/18368567/uitableviewcell-with-uitextview-height-in-ios-7

- (void)textViewDidChange:(UITextView *)textView {
    if ([textView getContentHeight] > 31) {
        self.noteHeightLayoutConstraint.constant = [textView getContentHeight] + 20;
        [self.tableView beginUpdates];
        [self.tableView endUpdates];
        
        [self scrollToCursorForTextView:textView];
    }

nvkiet

- (void)createPDFfromUIView:(UIView*)aView saveToDocumentsWithFileName:(NSString*)aFilename
{
  // Creates a mutable data object for updating with binary data, like a byte array
  NSMutableData *pdfData = [NSMutableData data];
  
  // Points the pdf converter to the mutable data object and to the UIView to be converted
  UIGraphicsBeginPDFContextToData(pdfData, aView.bounds, nil);
  UIGraphicsBeginPDFPage();
  CGContextRef pdfContext = UIGraphicsGetCurrentContext();
  

nvkiet

 if #available(iOS 8.0, *) {
            let alertController = UIAlertController(title: "Terms & Conditions", message: kTermsAndConditions, preferredStyle: .Alert)
            let OKAction = UIAlertAction(title: "OK", style: .Cancel) { (action) in
                alertController.dismissViewControllerAnimated(true, completion: nil)
            }
            alertController.addAction(OKAction)
            
            let paragraphStyle = NSMutableParagraphStyle()
            paragraphStyle.alignment = NSTextAlignment.Left