iwasrobbed

- (void)controllerWillChangeContent:(NSFetchedResultsController *)controller
{
    self.shouldReloadCollectionView = NO;
    self.blockOperation = [[NSBlockOperation alloc] init];
}

- (void)controller:(NSFetchedResultsController *)controller didChangeSection:(id<NSFetchedResultsSectionInfo>)sectionInfo
           atIndex:(NSUInteger)sectionIndex forChangeType:(NSFetchedResultsChangeType)type
{
    __weak UICollectionView *collectionView = self.collectionView;

Tricertops

CGFloat CGFloatAdjustToScreenScale(CGFloat value, NSRoundingMode mode) {
    CGFloat (*roundingFunction)(CGFloat);
    switch (mode) {
        case NSRoundPlain:  roundingFunction = &roundf; break;
        case NSRoundUp:     roundingFunction = &ceilf; break;
        case NSRoundDown:   roundingFunction = &floorf; break;
        case NSRoundBankers:roundingFunction = &roundf; break;
    }
    CGFloat scale = [[UIScreen mainScreen] scale];
    CGFloat result = roundingFunction(value * scale) / scale;

sfider

//
//  LOOProfiling.h
//
//  Created by Marcin Swiderski on 4/12/12.
//  Copyright (c) 2012 Marcin Swiderski. All rights reserved.
//
//  This software is provided 'as-is', without any express or implied
//  warranty.  In no event will the authors be held liable for any damages
//  arising from the use of this software.
//  

zoul

@interface DownloadOperation : NSOperation
{
    NSURLRequest *request;
    NSURLConnection *connection;
    NSMutableData *receivedData;
}

@property(readonly) BOOL isExecuting;
@property(readonly) BOOL isFinished;