Warning[] warnings;
                string[] streamids;
                string mimeType;
                string encoding;
                string extension;
 
                byte[] bytes = rptView.ServerReport.Render(
                   "Excel", null, out mimeType, out encoding, out extension,
                   out streamids, out warnings);
 
                System.IO.FileStream fs = new System.IO.FileStream(saveFileDialog1.FileName, System.IO.FileMode.Create);
                fs.Write(bytes, 0, bytes.Length);
                fs.Close();

            Random rand = new Random();
            int r1, r2;
            string tmpdata = "";
            for (int j = 0; j < nums.Count() * 10; ++j)
            {
                r1 = rand.Next(0, nums.Count());
                r2 = rand.Next(0, nums.Count());
 
                // swap
                tmpdata = nums[r2];
                nums[r2] = nums[r1];
                nums[r1] = tmpdata;
            }

            Random rand = new Random();
            nums = nums.OrderBy(x => rand.Next()).ToArray();

            nums.OrderBy(x => System.Guid.NewGuid().ToString()).ToArray();

public class PercenTile
{
    public static Decimal CalcPercenTile(List<Decimal> data, decimal percent)
    {
        if (percent < 0) throw new ArgumentException("percent must greater than 0");
        if (percent > 1) throw new ArgumentException("percent most less than 1");
 
        List<Decimal> _d = new List<decimal>(data);
        _d.Sort();
        Decimal n = percent * (_d.Count - 1) + 1;
 
        if (n == 1) return data[0];
        if (n == data.Count) return data.Last();
 
        int v = (int)n;
        Decimal d = n - v;
 
        return _d[v - 1] + (_d[v] - _d[v - 1]) * d;
    }
}

List<Decimal> data = new List<decimal>() { 15, 20, 35, 45, 50 };
MessageBox.Show(PercenTile.CalcPercenTile(data, (Decimal)0.90).ToString());
MessageBox.Show(PercenTile.CalcPercenTile(data, (Decimal)0).ToString());
MessageBox.Show(PercenTile.CalcPercenTile(data, (Decimal)1).ToString());
MessageBox.Show(PercenTile.CalcPercenTile(data, (Decimal)1.90).ToString());

REPAIR TABLE [wp_options]

string origString = "這是Unicode編碼的文字";
string result = Encoding.GetEncoding(950).GetString(Encoding.Convert(Encoding.Unicode, Encoding.GetEncoding(950), Encoding.Unicode.GetBytes(origString)));

Encoding.Unicode.GetBytes(origString)

Encoding.Convert(Encoding.Unicode, Encoding.GetEncoding(950), origBytes);

Encoding.GetEncoding(950).GetString(big5Bytes);

System.IO.File.WriteAllText(saveFileDialog1.FileName, result, Encoding.GetEncoding(950));

System.IO.StreamWriter sw = new System.IO.StreamWriter(saveFileDialog1.FileName, false, Encoding.GetEncoding(950));

private void repositoryItemComboBox1_EditValueChanged(object sender, EventArgs e)
{
    string value = (sender as DevExpress.XtraEditors.ComboBoxEdit).EditValue.ToString().Trim();
    // do something
}

 
/* returns the shortened url */
function get_bitly_short_url($url,$login,$appkey,$format='txt') {
	$connectURL = 'http://api.bit.ly/v3/shorten?login='.$login.'&apiKey='.$appkey.'&uri='.urlencode($url).'&format='.$format;
	return curl_get_result($connectURL);
}
 
/* returns expanded url */
function get_bitly_long_url($url,$login,$appkey,$format='txt') {
	$connectURL = 'http://api.bit.ly/v3/expand?login='.$login.'&apiKey='.$appkey.'&shortUrl='.urlencode($url).'&format='.$format;
	return curl_get_result($connectURL);
}
 
/* returns a result form url */
function curl_get_result($url) {
	$ch = curl_init();
	$timeout = 5;
	curl_setopt($ch,CURLOPT_URL,$url);
	curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);
	curl_setopt($ch,CURLOPT_CONNECTTIMEOUT,$timeout);
	$data = curl_exec($ch);
	curl_close($ch);
	return $data;
}

function get_tiny_url($url)  {  
	$ch = curl_init();  
	$timeout = 5;  
	curl_setopt($ch,CURLOPT_URL,'http://tinyurl.com/api-create.php?url='.$url);  
	curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);  
	curl_setopt($ch,CURLOPT_CONNECTTIMEOUT,$timeout);  
	$data = curl_exec($ch);  
	curl_close($ch);  
	return $data;  
}

SELECT GETDATE()

SELECT YEAR(GETDATE())

SELECT MONTH('2010/11/16')

SELECT CONVERT(NVARCHAR, GETDATE(), 112) -- yyyymmdd

SELECT CONVERT(NVARCHAR, GETDATE(), 108) -- hh:mi:ss

DECLARE @tmp_field1 VARCHAR(10)
 
DECLARE cursor1 FOR SELECT field1 FROM tbl1
OPEN cursor1
FETCH cursor1 INTO @tmp_field1
WHILE @@fetch_status = 0
BEGIN
    -- 處理資料
    FETCH cursor1 INTO @tmp_field1
END

DECLARE @tmp_field1 VARCHAR(10)
DECLARE @tmp_field2 VARCHAR(10)
 
DECLARE cursor1 FOR SELECT field1 FROM tbl1
DECLARE cursor2 FOR SELECT field2 FROM tbl2 WHERE field2 = @tmp_field1
 
OPEN cursor1
FETCH cursor1 INTO @tmp_field1
WHILE @@fetch_status = 0
BEGIN
    OPEN cursor2
    FETCH cursor2 INTO @tmp_field2
    WHILE @@fetch_status = 0
    BEGIN
        -- 處理資料
        FETCH cursor2 INTO @tmp_field2
    END
    CLOSE cursor2
    FETCH cursor1 INTO @tmp_field1
END
 
DEALLOCATE cursor2
CLOSE cursor1
DEALLOCATE cursor1

DECLARE @tmp_field1 VARCHAR(10)
DECLARE @tmp_field2 VARCHAR(10)
 
DECLARE cursor1 FOR SELECT field1 FROM tbl1
 
OPEN cursor1
FETCH cursor1 INTO @tmp_field1
WHILE @@fetch_status = 0
BEGIN
    -- 把cursor2的宣告部分放到迴圈裡面
    DECLARE cursor2 FOR SELECT field2 FROM tbl2 WHERE field2 = @tmp_field1
    OPEN cursor2
    FETCH cursor2 INTO @tmp_field2
    WHILE @@fetch_status = 0
    BEGIN
        -- 處理資料
        FETCH cursor2 INTO @tmp_field2
    END
    CLOSE cursor2
    DEALLOCATE cursor2
 
    FETCH cursor1 INTO @tmp_field1
END
 
CLOSE cursor1
DEALLOCATE cursor1