timgabrhel

public static bool GetSetting<T>(string key, ref T output)
{
    var value  = CloudConfigurationManager.GetSetting(key);
    if (string.IsNullOrWhiteSpace(value) == false)
    {
        try
        {
            output = (T) Convert.ChangeType(value, typeof (T));
            return true;
        }

timgabrhel

	<Style TargetType="MenuFlyoutPresenter" x:Key="WintsyMenuFlyoutPresenterStyle">
		<Setter Property="Background" Value="{ThemeResource WintsyFlyoutBackground}" />
		<Setter Property="Foreground" Value="{ThemeResource WintsyFlyoutForeground}" />
		<Setter Property="BorderThickness" Value="0" />
		<Setter Property="ScrollViewer.HorizontalScrollMode" Value="Disabled" />
		<Setter Property="ScrollViewer.HorizontalScrollBarVisibility" Value="Disabled" />
		<Setter Property="ScrollViewer.VerticalScrollMode" Value="Auto" />
		<Setter Property="ScrollViewer.VerticalScrollBarVisibility" Value="Auto" />
		<Setter Property="ScrollViewer.IsHorizontalRailEnabled" Value="False" />
		<Setter Property="ScrollViewer.IsVerticalRailEnabled" Value="False" />

timgabrhel

 <StackPanel x:Name="ListingPreviewStackPanel"
                IsHoldingEnabled="True"
                Holding="ListingPreview_Holding"
                FlyoutBase.AttachedFlyout="{StaticResource WintsyListingPreviewFlyout}"
                Tapped="ListingPreview_Tapped">
  </StackPanel>

timgabrhel

<MenuFlyout x:Key="WintsyListingPreviewFlyout"
            MenuFlyoutPresenterStyle="{StaticResource WintsyMenuFlyoutPresenterStyle}"
            Placement="Bottom">
    <MenuFlyoutItem Text="favorite"
                    Command="{Binding FavoriteListingCommand, Mode=OneWay}" />
    <MenuFlyoutItem Text="view shop" />
</MenuFlyout>

timgabrhel

private void ListingPreview_Holding(object sender, HoldingRoutedEventArgs e)
{
    FlyoutBase.ShowAttachedFlyout(ListingPreviewStackPanel);
}

timgabrhel

public class Logger
{
    private static TelemetryClient telemetry = null;

    public Logger(string instrumentationKey)
    {
        Microsoft.ApplicationInsights.Extensibility.TelemetryConfiguration.Active.InstrumentationKey = instrumentationKey;
        telemetry = new TelemetryClient();
        telemetry.Context.InstrumentationKey = instrumentationKey;
    }

timgabrhel

/// <summary>
/// A simple implementation to automatically retry transient connection error's to cache. Runs for a maximum of 10 seconds before timing out.
/// </summary>
protected TResult AttemptCacheCall<TResult>(Func<TResult> codeFunc)
{
    var timeout = false;
    var timer = new Timer(10000);
    timer.Elapsed += (sender, args) => timeout = true;
    timer.AutoReset = false;
    timer.Start();

timgabrhel

Azure App Service Plans
https://azure.microsoft.com/en-us/documentation/articles/azure-web-sites-web-hosting-plans-in-depth-overview/

DocumentDB Transient Fault Handling
https://www.nuget.org/packages/Microsoft.Azure.DocumentDB.TransientFaultHandling/

Mini Transient Fault Handling for Redis (could apply to anything)
https://gist.github.com/timgabrhel/8a5ae727bacd87c2d5a9

Cache Aside Pattern

timgabrhel

<system.web>
    <sessionState mode="Custom" customProvider="RedisSessionProvider">
      <providers>
        <add name="RedisSessionProvider"
             type="Microsoft.Web.Redis.RedisSessionStateProvider"
             port="6379"
             host="abc.redis.cache.windows.net"
             accessKey="abc"
             ssl="false"
             connectionTimeoutInMilliseconds="15000"

timgabrhel

private static Lazy<ConnectionMultiplexer> lazyConnection = new Lazy<ConnectionMultiplexer>(() =>
        {
            return ConnectionMultiplexer.Connect("{redis connection string}");
        });

public static ConnectionMultiplexer Connection => lazyConnection.Value;
private static IDatabase Cache => Connection.GetDatabase();

private T getCacheObj<T>(string key)
{