maximgorbatyuk

class Animal : ICloneable<Animal>
{
  public virtual Animal Clone()
  {
    return new Animal(this);
  }
}

// нет переопределения метода
class Dog : Animal

maximgorbatyuk

namespace Serializer
{
    public class F {
        public int i1 { get; set; }
        public int i2 { get; set; }
        public int i3 { get; set; }
        public int i4 { get; set; }
        public int i5 { get; set; }
        
        public F(int i) { i1 = i; i2 = i + 1; i3 = i + 2; i4 = i + 3; i5 = i + 4; }

maximgorbatyuk

using System;
using System.Collections.Generic;
using System.Net;
using Microsoft.AspNetCore.Mvc;

namespace YourNamespace
{
    public class ValidationProblemDetails : ProblemDetails
    {
        // 400 status ccode is usually used for input validation errors

maximgorbatyuk

using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;
using Utils.Serialization;

namespace YourNamespace
{
    public class ValidationProblemDetailsResult : IActionResult
    {

maximgorbatyuk

public class Startup
{
   // ...
  public void ConfigureServices(IServiceCollection services)
  {
    // ...
    services
        .Configure<ApiBehaviorOptions>(x =>
        {
            x.InvalidModelStateResponseFactory = ctx => new ValidationProblemDetailsResult();

maximgorbatyuk

public class Startup
{
  public void ConfigureServices(IServiceCollection services)
  {
    // ...
    services
        .AddMvc()
        .AddJsonOptions(x =>
        {
            x.JsonSerializerOptions.PropertyNamingPolicy = new SnakeCaseNamingPolicy();

maximgorbatyuk

using System.Text.Json;
using Utils.Serialization;

namespace YourNamespace
{
    public class SnakeCaseNamingPolicy : JsonNamingPolicy
    {
        public override string ConvertName(string name) => name.ToSnakeCase();
    }
}

maximgorbatyuk

using Newtonsoft.Json;
using Newtonsoft.Json.Serialization;
using Utils.Helpers;

namespace YourNamespace
{
    public static class JsonSerializationExtensions
    {
        private static readonly SnakeCaseNamingStrategy _snakeCaseNamingStrategy
            = new SnakeCaseNamingStrategy();

maximgorbatyuk

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;

namespace MultiThread_25
{
    class Program

maximgorbatyuk

using System;
using System.Text.RegularExpressions;

namespace Utils.Helpers
{
    public class EmailValidRegex : Regex
    {
        private const string Pattern =
            @"^(?("")("".+?(?<!\\)""@)|(([0-9a-z]((\.(?!\.))|[-!#\$%&'\*\+/=\?\^`\{\}\|~\w])*)(?<=[0-9a-z])@))" +
            @"(?(\[)(\[(\d{1,3}\.){3}\d{1,3}\])|(([0-9a-z][-0-9a-z]*[0-9a-z]*\.)+[a-z0-9][\-a-z0-9]{0,22}[a-z0-9]))$";