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Creating Neat .NET Core Command Line Apps

You can now read this on my (pretty) website! Check it out here.

Every reason to get more HackerPoints™ is a good one, so today we're going to write a neat command line app in .NET Core! The Common library has a really cool package Microsoft.Extensions.CommandlineUtils to help us parse command line arguments and structure our app, but sadly it's undocumented.

No more! In this guide, we'll explore the package and write a really neat

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using System;
using System.Collections.Generic;
using System.Text;
using Machine.Specifications;
using NUnit.Framework;

namespace Skight.HelpCenter.Domain.Specs
{
    /// <summary>
    /// Solution for ThoughtWorks的代码题 https://www.jinshuju.net/f/EGQL3D

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using NHibernate;
using NHibernate.Context;
using NUnit.Framework;
using Skight.Demo.Domain;
using Skight.Demo.Domain.Examination;

namespace Skight.Demo.NHRepository.Tests
{
[TestFixture]
    public class DataOperation

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using NUnit.Framework;

namespace Skight.Demo.NHRepository.Tests
{
[TestFixture]
    public class CreateDatabase
    {
[Test]
        public void Run()
        {

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using NHibernate.Criterion;
using Skight.Demo.Domain;

namespace Skight.Demo.NHRepository.QueryImpls
{
    public class QueryImplByQueryOver<item>:Query<item>
    {
        public QueryImplByQueryOver(QueryOver<item> query)
        {
            Query = query;

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using FluentNHibernate.Mapping;
using Skight.Demo.Domain.Examination;

namespace Skight.Demo.NHRepository
{
    public class ExamMap:ClassMap<Exam>
    {
        public ExamMap()
        {
            Id(x => x.Id);

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using System;
using System.IO;
using System.Reflection;
using FluentNHibernate.Cfg;
using FluentNHibernate.Cfg.Db;
using NHibernate;
using NHibernate.Cfg;
using NHibernate.Tool.hbm2ddl;

namespace Skight.Demo.NHRepository

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using System;
using System.Collections.Generic;
using System.Linq;
using NHibernate;
using NHibernate.Criterion;
using Skight.Demo.Domain;
using Skight.Demo.NHRepository.QueryImpls;

namespace Skight.Demo.NHRepository
{

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namespace Skight.Demo.Domain
{
    public interface Query<Item>
    {
    }
}

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using System;
using System.Collections.Generic;
using System.Linq.Expressions;

namespace Skight.Demo.Domain
{
    public interface Repository
    {
        Item get_by_id<Item>(int id);