ichiroku11

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

namespace ConsoleApp {
	class Program {
		static void Main( string[] args ) {
			var items = new HashSet<int> { 0, 1, 2, 3, 4, };

			// otherが同じ要素を含んでいるかどうか

ichiroku11

/*
	指定DBを指定フォルダにバックアップ
	バックアップファイル名には日付の文字列が含まれる
*/
declare @dbName sysname = N'DB名';
declare @folder nvarchar( max ) = N'バックアップフォルダ(\で終わる必要あり)';

declare @date datetime = getdate();
declare @ymd char( 8 ) = convert( char( 8 ), @date, 112 ); -- yymmdd
declare @hms char( 6 ) = replace( convert( char( 8 ), @date, 108 ), ':', '' ); -- hh:mm:ss -> hhmmss

ichiroku11

using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Text;

namespace ConsoleApp {
	public static class EnumExtensions {
		// enumに適用されている属性を取得
		public static IEnumerable<TAttribute> GetApplied<TAttribute>(this Enum value) where TAttribute : Attribute {

ichiroku11

using System;
using System.Collections.Generic;
using System.Data;
using System.Data.SqlClient;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Dapper;

namespace ConsoleApp {

ichiroku11

using System;
using System.Collections.Generic;
using System.Data.SqlClient;
using System.Linq;
using System.Linq.Expressions;
using System.Text;

namespace ConsoleApp {
	class Program {
		private static SqlConnection Connect() {

ichiroku11

using System;
using System.Collections.Generic;
using System.Data.SqlClient;
using System.Linq;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using Dapper;

namespace UnitTest {
	public static class AssertHelper {
		public static void IsSequenceEqualTo<T>(this IEnumerable<T> first, IEnumerable<T> second) {

ichiroku11

using System;
using System.Web;

namespace WebApp.App_Code {
	public class SampleHttpHandler : IHttpHandler {
		public bool IsReusable {
			get { return false; }
		}

		public void ProcessRequest(HttpContext context) {

ichiroku11

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using Newtonsoft.Json;

namespace ConsoleApp {
	class User {
		[JsonProperty("first_name")]

ichiroku11

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using Newtonsoft.Json;
using Newtonsoft.Json.Serialization;

namespace ConsoleApp {
	class User {

ichiroku11

using System;
using System.Data.SqlClient;
using System.Linq;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using Dapper;

namespace UnitTest {
	[TestClass]
	public class Test {
		private readonly string _connectionString =