GSonofNun

public class UnixDateTimeConverter : DateTimeConverterBase
    {
        public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
        {
            if (reader.TokenType != JsonToken.Integer)
            {
                throw new Exception(
                    String.Format("Unexpected token parsing date. Expected Integer, got {0}.",
                    reader.TokenType));
            }

GSonofNun

private static void UpdateTile()
{
    var updater = TileUpdateManager.CreateTileUpdaterForApplication();
    if (updater == null)
    {
        return;
    }
    updater.EnableNotificationQueue(true);
    updater.Clear();
    

GSonofNun

public static void AddOrUpdate(this IsolatedStorageSettings settings, string key, object value)
{
    if (settings.Contains(key))
    {
        settings[key] = value;
    }
    else
    {
        settings.Add(key, value);
    }

GSonofNun

private void Grid_Hold(object sender, System.Windows.Input.GestureEventArgs e)
{
    Grid g = (Grid)sender;
    // This throws an error because you can't pass a Grid as a Control in the first parameter
    VisualStateManager.GoToState(g, "Context", true);
}

GSonofNun

public async Task ObjectToFile(Object obj, string fileName, string path = null)
        {
            string json = await Task.Factory.StartNew(() => JsonConvert.SerializeObject(obj));

            StorageFolder sf = null;

            if (path != null)
            {
                sf = await ApplicationData.Current.LocalFolder.GetFolderAsync(path);
            }