C#发牌
之前不太喜欢C#，无意中发现linq,用来实现排序是如此简单，所以又用C#写了遍发牌程序
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace ConsoleApplication1
{
class Program
{
static void Main(string[] args)
{
//IEnumerable<string> expr = from s in cards
// where s.Length == 5
// orderby s
// select s.ToUpper();
//foreach (string item in expr)
//Console.WriteLine(item);
//Console.ReadKey();
Program o = new Program();
List<string> cards = o.newCards();
o.exchangeCards(30, cards);
List<List<string>> all = o.dispatchCards(6, ca
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在C#里创建和使用C风格数据结构，即非托管的数据结构，可以提高性能。
1 数据结构的定义
看下面例子：
unsafe struct A {
public int x;
}
unsafe struct B {
pu ......
写cookie
1 HttpCookie cookie = new HttpCookie("Info");//定义cookie对象以及名为Info的项
2 DateTime dt = DateTime.Now;//定义时间对象
3 TimeSpan ts=new TimeSpan(1,0,0,0);//cookie有效作用时间，具体查msdn
4 cookie.Expires = dt.Add(ts);//添加作用时间
5 cookie.Values.Add("user","cx ......
using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.OleDb;
/// <summary>
/// DB � ......
首先需要在项目中添加(Microsoft XML, v3.0)的引用
using MSXML2;
private string VerifyNotifyURL(string URL)
{
MSXML2.XMLHTTPClass xmlhttp=new MSXML2.XMLHTTPClass();
try
{
&nbs ......
using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Data.SqlClient; ......
