ashtom

# Size of preview images for Safari's top sites / history
du -ch {~/Library/Caches/,`getconf DARWIN_USER_CACHE_DIR`}com.apple.Safari

ashtom

if (![persistentStoreCoordinator addPersistentStoreWithType:NSSQLiteStoreType configuration:nil URL:storeUrl options:nil error:&error]) {
    if ([error code] == NSPersistentStoreIncompatibleVersionHashError) {
        NSLog(@"Persistent Store Incompatible Version error. Please check %@", storeUrl);
    } else {
        NSLog([error description]);
    }
}

ashtom

// How to encode NSData for a HTTP request
NSString *dataString = [[NSString alloc] initWithFormat:@"%@", someData];
NSString *dataEncoded = [dataString stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
NSLog(@"Encoded data = %@", dataEncoded);

ashtom

// Resetting the application badge number
[[UIApplication sharedApplication] setApplicationIconBadgeNumber:0];