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 public class VisaCheckoutDecryptor
    {
        private const int HMAC_LENGTH = 32, IV_LENGTH = 16;

        public static string DecryptPayload(string key, string dynamicKey, string payload)
        {
            var payloadData = Convert.FromBase64String(payload);
            var dynamicKeyData = Convert.FromBase64String(dynamicKey);
            var keyData = Encoding.UTF8.GetBytes(key);

feanz

  public class TransactionRepository : RiakTSRepository<TestTransaction>
    {
        protected override string TableName => "Transaction";

        protected override IEnumerable<Column> Columns
        {
            get
            {
                var columns = new[]
                {

feanz

using namespace System.Management.Automation
using namespace System.Management.Automation.Language

if ($host.Name -eq 'ConsoleHost')
{
    Import-Module PSReadLine
}

oh-my-posh --init --shell pwsh --config C:/Github/prompt/oh-my-posh.json | Invoke-Expression

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    public interface IEventPublisher
    {
        void Publish<T>(T item) where T : IEvent;
    }

    public interface IHandler<in T> where T : IEvent
    {
        void Handle(T item);
    }

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 class Program
    {
        static void Main(string[] args)
        {
            Run().Wait();
        }

        private static async Task Run()
        {
            var client = new MongoClient("mongodb://localhost:27016");

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 public class program
    {
        static void Main(string[] args)
        {
            var client = new MongoClient("mongodb://localhost:27016");
            try
            {
                var server = client.GetServer();

                var database = server.GetDatabase("testv1");

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 public static class MongoUnitOfWork
    {
        public static async Task Transaction(this IMongoDatabase database, Func<Task> commands)
        {
            if (database == null) throw new ArgumentNullException("database");

            var commited = false;

            var beginTransaction = new BsonDocument("beginTransaction", "true");
            await database.RunCommandAsync<BsonDocument>(beginTransaction);

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  /// <summary>
    ///     Used to simplify testing routes and restful testing routes
    ///     <example>
    ///         This tests that incoming PUT on resource is handled by the update method of the Banner controller
    ///         "~/banner/1"
    ///         .WithMethod(HttpVerbs.Put)
    ///         .ShouldMapTo<BannerController>(action => action.Update(1));
    ///     </example>
    /// </summary>
    public static class RouteTestingExtensions

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public static Stream ToStream(this string str)
{
    byte[] byteArray = Encoding.UTF8.GetBytes(str);
    //byte[] byteArray = Encoding.ASCII.GetBytes(str);
    return new MemoryStream(byteArray);
}
public static string ToString(this Stream stream)
{
    var reader = new StreamReader(stream);
    return reader.ReadToEnd();

feanz

public static bool Between(this DateTime dt, DateTime rangeBeg, DateTime rangeEnd)
{
    return dt.Ticks >= rangeBeg.Ticks && dt.Ticks <= rangeEnd.Ticks;
}

public static int CalculateAge(this DateTime dateTime)
{
    var age = DateTime.Now.Year - dateTime.Year;
    if (DateTime.Now < dateTime.AddYears(age))
        age--;