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- (void)viewDidAppear:(BOOL)animated {
    [super viewDidAppear:animated];
    self.theScroller.contentSize=CGSizeMake(280.0,1000.0);
}

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  NSError *error;
  // turn the responseData into an NSDictionary object
  NSDictionary *json = [NSJSONSerialization JSONObjectWithData:responseData options:kNilOptions error:&error];
  NSArray *latestLoans = json[@"loans"];
  NSDictionary *loan = latestLoans[0];

  // build an info object out of the dictionary 
// this is a new way to write dictionaries as of iOS6
NSDictionary *info = @{
                  @"who":loan[@"name"];

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// here i register a MPMusicPlayerController object to the NSNotificationCenter
MPMusicPlayerController *musicPlayer = 
[MPMusicPlayerController applicationMusicPlayer];
[musicPlayer setQueueWithItemCollection: userMediaItemCollection];
[musicPlayer beginGeneratingPlaybackNotifications];

NSNotificationCenter *notificationCenter = [NSNotificationCenter defaultCenter];

[notificationCenter 

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-(UITableViewCell *)tableView:(UITableView *)tableView 
  cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
  NSString *CellIdentifier;

  // nice! make the conditional here
  if ((indexPath.row %2) == 0 ) {
      CellIdentifier = @"rowOdd";
    } else {
      CellIdentifier = @"rowEven";

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- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{

    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"MyIdentifier"];
    UILabel *label;
    label = (UILabel *)[cell viewWithTag:1];
    label.text = [NSString stringWithFormat:@"%d", indexPath.row];

    label = (UILabel *)[cell viewWithTag:2];
    label.text = [NSString stringWithFormat:@"%d", NUMBER_OF_ROWS - indexPath.row];

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UIView *tableHeaderView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 320, 50)];

[tableHeaderView setBackgroundColor:[UIColor blueColor]];

UIView *tableFooterView = [[UIView alloc] initWIthFrame:CGRectMake(0,0, 320,50)];
[tableFooterView setBackgroundColor:[UIColor blueColor]];

UILabel *headerLabel = [[UILabel alloc] initWithFrame:CGRectMake(10,10,320,25)];
headerLabel.text = @"Header view";
headerLabel.textColor = [UIColor whiteColor];

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for (UIView *theSubView in parentView.subViews) {
  // do something to the subView
}

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-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{

  static NSString *cellIdentifier = @"cellIdentifier";
  UITableVIewCell *cell = [tableView dequeueReusableCellWithIdentifier:cellIdentifier];

  if(cell == nil) {
    cell = [[UITableVIewCell alloc] initWithStyle:UITableVIewCellStyleDefault resuseIdentifier:cellIdentifier];
    // create a new label with the size we need
    UILabel *myLabel = [[UILabel alloc] init];

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-(UITableViewCell *)tableView:(UITableView *)tableView 
  cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
  UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:cellIdentifier];

  UILabel *cellLabel;
  cellLabel = (UILabel *)[cell viewWithTag:1000];
  cellLabel.text = [tableData objectAtIndex:indexPath.row];

  UIImageView *cellIcon = (UIImageView *)[cell viewWithTag:1010];

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-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
  static NSString *cellIdentifier = @"Cell";

  UITableVIewCell *cell = [tableView dequeueReusableCellWithIdentifier:cellIdentifier];

  if(cell == nil) {
    cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier];

  }