yeonsh

-(void) searchButtonPressed
{
    [self.searchDisplayController setActive:YES animated:YES];
    [self.searchDisplayController.searchBar becomeFirstResponder];
}

yeonsh

-(BOOL) setupFetchedResultsControllerForEntity:(NSString *)argEntityName withSortKey:(NSString *)argSortKey
{
    // Uncomment the following line to display an Edit button in the navigation bar for this view controller.
    // self.navigationItem.rightBarButtonItem = self.editButtonItem;
    
    NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] init];
    
    // Configure the request's entity, and optionally its predicate.
    NSEntityDescription *entityDescription = [NSEntityDescription entityForName:argEntityName inManagedObjectContext:self.managedObjectContext];
    [fetchRequest setEntity:entityDescription];

yeonsh

- (UIImage*)snapshot:(UIView*)eaglview
{
    // Get the size of the backing CAEAGLLayer
    GLint backingWidth, backingHeight;
    glBindRenderbufferOES(GL_RENDERBUFFER_OES, _colorRenderbuffer);
    glGetRenderbufferParameterivOES(GL_RENDERBUFFER_OES, GL_RENDERBUFFER_WIDTH_OES, &backingWidth);
    glGetRenderbufferParameterivOES(GL_RENDERBUFFER_OES, GL_RENDERBUFFER_HEIGHT_OES, &backingHeight);

    NSInteger x = 0, y = 0, width = backingWidth, height = backingHeight;
    NSInteger dataLength = width * height * 4;