mizuneko

public class Company : IFormattable
{
    // プロパティは省略。
    public string ToString(string format, IFormatProvider formatProvider)
    {
        if (format == null || format == "G" || format == "f") {
            return CompnayName;
        }
 
        if (format == "s") {

mizuneko

var cultures = new[] { "ja-jp", "zh-cn", "en-us", "en-gb", "fr-fr", "de-de", "pt-br", "tr-tr", "he-il" }; 
var price = 9800;

foreach (var c in cultures) 
{ 
    var culture = new CultureInfo(c); 
    var plus = price.ToString("c", culture); 
    var minus = (-price).ToString("c", culture); 
    Console.WriteLine("{0,-11} / {1,-12} ({2})", plus, minus, culture.DisplayName); 
} 

mizuneko

public static Task<IEnumerable<T>> ExecuteAsync<T>(this DataServiceQuery<T> q) 
{ 
    return Task.Factory.FromAsync<IEnumerable<T>>(q.BeginExecute, q.EndExecute, null); 
}

var tasks = Common.GetQueries(context, keys) 
    .Select(x => x.ExecuteAsync() 
        .ContinueWith(t => { lock (w) Common.Output(t.Result, w); }) 
    ).ToArray(); // ToArray を付けて、ここで全タスクを先に起動してしまう。 
Task.WaitAll(tasks.ToArray()); 

mizuneko

var text = new WebClient().DownloadString(@"http://hogehoge.org");

var q = 
    from Match m in Regex.Matches(text, @"href=""(?<url>.*?)""") 
    where m.Success 
    select m.Groups["url"];

foreach (var x in q) 
{ 
    Console.WriteLine("URL: {0}", x); 

mizuneko

using System;
using System.Collections.Generic;
using System.Drawing;
using System.Windows.Forms;

class MyForm : Form
{
  static void Main()
  {
    Application.Run( new MyForm() );

mizuneko

boolean isSame;  
  
// (例1)  
Integer value1 = new Integer(100);  
Integer value2 = new Integer(100);  
  
isSame = value1.equals(value2);     // true  
isSame = (value1 == value2);        // false  
  
  

mizuneko

String path = "C:/dir/to/my/file/myfile.txt";  
String encoding = "Windows-31j";  
  
// 入力ストリームを開く  
BufferedReader reader = new BufferedReader(  
    new InputStreamReader(new FileInputStream(path), encoding));  
  
// 1行ずつ読み込んで、標準出力へ書き出す  
String line;  
try {  

mizuneko

String path = "C:/dir/to/my/file/myfile.txt";  
String encoding = "Windows-31j";  
  
// 出力ストリームを開く  
PrintWriter writer = new PrintWriter(  
    new OutputStreamWriter(new FileOutputStream(path), encoding));  
  
// ファイルへ文字列を書き出す  
try {  
    writer.println("This is test.");  

mizuneko

// ドライバクラスのロード  
Class.forName("oracle.jdbc.OracleDriver");  
  
// DBとの接続  
String url = "jdbc:oracle:thin:@dbhost:1521:sid";  
String user = "dbuser";  
String password = "dbpassword";  
Connection conn = DriverManager.getConnection(url, user, password);  
  
String sql = "select ID, NAME from SHAIN";  

mizuneko

// ドライバクラスのロード  
Class.forName("oracle.jdbc.OracleDriver");  
  
// DBとの接続  
String url = "jdbc:oracle:thin:@dbhost:1521:sid";  
String user = "dbuser";  
String password = "dbpassword";  
Connection conn = DriverManager.getConnection(url, user, password);  
  
conn.setAutoCommit(false); // オートコミットをOFFにする