dotnet

async/await in dotnet

certificate validation overriding

ServicePointManager.ServerCertificateValidationCallback += 
  new RemoteCertificateValidationCallback(ValidateCertificate);

public static bool ValidateCertificate(object sender, X509Certificate cert, 
  X509Chain chain, SslPolicyErrors sslPolicyErrors)
{
      return true;
}

persistkeyset

Installed certificates expiring? Use X509KeyStorageFlags.PersistKeySet - What is the impact of PersistKeySet