ListView中通过手势滑出删除键

1、linux中，下载完关机,linux终端播放音乐歌词同步显示,ListView中通过手势滑出删除键,并响应,List方法subList(fromIndex,toIndex)测试list集合交换元素下标,lmdb键值数据库读写测试,lockfree算法多线程下不需要加锁log4net屏蔽nhibernate日志,Lua中利用元表实现类和多态Lua文件 common.php 0) $data = fread($fp, $filesize); else $data = false; flock($fp, LOCK_UN); fclose($fp); return $data; else return

2、 false; /* * 创建一个目录树 * * 用法： * * mkdirs(/top/second/3rd); * * * param string $dir * param int $mode */ function mkdirs($dir, $mode = 0777) if (!is_dir($dir) mkdirs(dirname($dir), $mode); return mkdir($dir, $mode); return true; /* * 读取指定缓存的内容，如果缓存内容不存在或失效，则返回 false * * example: * * $cacheId = my_cach

3、e_id; * if (!($data = FLEA:getCache($cacheId) * $data = Data; * FLEA:writeCache($cacheId, $data); * * * * 如果 $cacheIdIsFilename 参数为 true，则生成的缓存文件会以 $cacheId 参数作为文件名。 * 基于安全原因，尽量不要将 $cacheIdIsFilename 参数设置为 true。 * * $time 参数默认为缓存内容的有效期。其计算依据是以缓存文件的最后更新时间为准（也就是最后一次更新该缓存内容的时间）。 * * 如果 $timeIsLifetime

4、为 false，则 $time 参数表示用于和缓存文件最更新时间进行比较的依据。 * 如果 $time 指定的时间早于缓存文件的最后更新时间，则判断缓存内容为有效。 * * param string $cacheId 缓存ID，不同的缓存内容应该使用不同的ID * param int $time 缓存过期时间或缓存生存周期 * param boolean $timeIsLifetime 指示 $time 参数的作用 * param boolean $cacheIdIsFilename 指示是否用 $cacheId 作为文件名 * * return mixed 返回缓存的内容，缓存不存在或失效则

5、返回 false */ function getCache($cacheId, $time = 900, $timeIsLifetime = true, $cacheIdIsFilename = false) $cacheDir = Root./cache/.substr(md5($cacheId),0,2)./.substr(md5($cacheId),1,2)./; if(!is_dir($cacheDir) mkdirs($cacheDir); if (is_null($cacheDir) return false; if ($cacheIdIsFilename) $cacheFile

6、= $cacheDir . / . preg_replace(/a-z0-9-_/i, _, $cacheId) . .php; else $cacheFile = $cacheDir . / . md5($cacheId) . .php; if (!file_exists($cacheFile) return false; if ($timeIsLifetime & $time = -1) $data = safe_file_get_contents($cacheFile); $hash = substr($data, 16, 32); $data = substr($data, 48);

7、if (crc32($data) != $hash | strlen($hash) != 32) return false; return $data != false ? unserialize($data) : false; $filetime = filemtime($cacheFile); if ($timeIsLifetime) if (time() = $filetime + $time) return false; else if ($time = $filetime) return false; $data = safe_file_get_contents($cacheFile

8、); $hash = substr($data, 16, 32); $data = substr($data, 48); if (crc32($data) != $hash | strlen($hash) != 32) return false; return $data != false ? unserialize($data) : false; /* * 将变量内容写入缓存 * * example: * * $data = .; / 要缓存的数据，可以是任何类型的值 * / cache id 用于唯一指定一个缓存数据，以便稍后取出缓存数据 * $cacheId = data_cahce_1

9、; * FLEA:writeCache($cacheId, $data); * * * param string $cacheId * param mixed $data * param boolean $cacheIdIsFilename * * return boolean */ function writeCache($cacheId, $data, $cacheIdIsFilename = false) $cacheDir = Root./cache/.substr(md5($cacheId),0,2)./.substr(md5($cacheId),1,2)./; if(!is_dir

10、($cacheDir) mkdirs($cacheDir); if (is_null($cacheDir) return false; if ($cacheIdIsFilename) $cacheFile = $cacheDir . / . preg_replace(/a-z0-9-_/i, _, $cacheId) . .php; else $cacheFile = $cacheDir . / . md5($cacheId) . .php; $data = serialize($data); $prefix = ; $hash = sprintf(% 32d, crc32($data); $

11、data = $prefix . $hash . $data; if (!safe_file_put_contents($cacheFile, $data) return false; else return true; /* * 删除指定的缓存内容 * * param string $cacheId * param boolean $cacheIdIsFilename * * return boolean */ function purgeCache($cacheId, $cacheIdIsFilename = false) $cacheDir = Root./cache/.substr(m

12、d5($cacheId),0,2)./.substr(md5($cacheId),1,2)./; if(!is_dir($cacheDir) mkdirs($cacheDir); if (is_null($cacheDir) return false; if ($cacheIdIsFilename) $cacheFile = $cacheDir . / . preg_replace(/a-z0-9-_/i, _, $cacheId) . .php; else $cacheFile = $cacheDir . / . md5($cacheId). .php; if (file_exists($c

13、acheFile) return unlink($cacheFile); return true; ?代码 db.class.php dbhost:$dbhost; $dbuser=?$dbuser=$this-dbuser:$dbuser; $dbpw=?$dbpw=$this-dbpw:$dbpw; $dbname=?$dbname=$this-dbname:$dbname; if($pconnect) if(!$this-link = mysql_pconnect($dbhost, $dbuser, $dbpw) $this-halt(Can not connect to MySQL s

14、erver); else if(!$this-link = mysql_connect($dbhost, $dbuser, $dbpw) $this-halt(Can not connect to MySQL server); if($this-version() 4.1) if($this-dbcharset) mysql_query(SET character_set_connection=$this-dbcharset, character_set_results=$this-dbcharset, character_set_client=binary, $this-link); if(

15、$this-version() 5.0.1) mysql_query(SET sql_mode=, $this-link); if($dbname) mysql_select_db($dbname, $this-link); function select_db($dbname) return mysql_select_db($dbname, $this-link); function fetch_array($query, $result_type = MYSQL_ASSOC) return mysql_fetch_array($query, $result_type); function

16、fetch_all($query, $result_type = MYSQL_ASSOC) $result = array(); $num = 0; while($ret = mysql_fetch_array($query, $result_type) $result$num+ = $ret; return $result; function fetch_row($query) $query = mysql_fetch_row($query); return $query; function result($query, $row) $query = mysql_result($query,

17、 $row); return $query; function query($sql, $type = ) $func = $type = UNBUFFERED & function_exists(mysql_unbuffered_query) ? mysql_unbuffered_query : mysql_query; if(!($query = $func($sql, $this-link) & $type != SILENT) $this-halt(MySQL Query Error: , $sql); $this-querynum+; return $query; function

18、insert($table,$row) if(!$row)return null; $row = $this-_escape($row); $tmp = $tmp2 = array(); foreach($row as $key = $val) $tmp = $key; $tmp2 = $val; $sql = insert into $table (.join(,$tmp).) values (.join(,$tmp2).); return $this-query($sql); function update($table,$row,$where= null) if(!$row | !$ta

19、ble)return null; $row = $this-_escape($row); $tmp = array(); foreach($row as $key = $val) $tmp = $key.=$val; $sql = update $table set .join(,$tmp).; $sql = $where ? $sql. where .$where:$sql; return $this-query($sql); function find($table,$field = *,$where=null) if(!$table) return null; $sql = $this-

20、bulidsql($table,$field,$where); $query = $this-query($sql); $data = null; while($row = $this-fech($query) $data = $row; return $data; function findOne($table,$field = *,$where=null) if(!$table) return null; $sql = $this-bulidsql($table,$field,$where); return $this-fech($this-query($sql); function bu

21、lidsql($table,$field = *,$where=null) $sql = select .$field. from .$table; $sql = $where ? $sql. where .$where:$sql; $this-sql = $sql; return $sql; function fech($query,$type = MYSQL_ASSOC) return mysql_fetch_array($query, $type); function _escape($row) if(is_array($row) foreach($row as $key = $val)

22、 $row$key = addslashes($val); return $row; function affected_rows() return mysql_affected_rows($this-link); function error() return ($this-link) ? mysql_error($this-link) : mysql_error(); function errno() return intval($this-link) ? mysql_errno($this-link) : mysql_errno(); function num_rows($query)

23、$query = mysql_num_rows($query); return $query; function num_fields($query) return mysql_num_fields($query); function free_result($query) return mysql_free_result($query); function insert_id() return ($id = mysql_insert_id($this-link) = 0 ? $id : $this-result($this-query(SELECT last_insert_id(), 0);

24、 function fetch_fields($query) return mysql_fetch_field($query); function version() return mysql_get_server_info($this-link); function close() return mysql_close($this-link); function halt($message = , $sql = ) echo $message . . $sql; exit; ?代码 C#代码 using System;using System.Drawing;using System.Win

25、dows.Forms;using System.Drawing.Drawing2D;namespace MessageBoxDemo public partial class frmShowMessage : Form public frmShowMessage() InitializeComponent(); / / Here I am overriding Paint method of form object / and set its background color as gradient. Here I am / using LinearGradientBrush class ob

26、ject to make gradient / color which comes in System.Drawing.Drawing2D namespace. / / protected override void OnPaint(PaintEventArgs e) Rectangle rect = this.ClientRectangle; LinearGradientBrush brush = new LinearGradientBrush (rect, Color.SkyBlue, Color.AliceBlue, 60); e.Graphics.FillRectangle(brush

27、, rect); base.OnPaint(e); / / setMessage method is used to display message / on form and its height adjust automatically. / I am displaying message in a Label control. / / Message which needs to be displayed to user. private void setMessage(string messageText) int number = Math.Abs(messageText.Lengt

28、h / 30); if (number != 0) this.lblMessageText.Height = number * 25; this.lblMessageText.Text = messageText; / / This method is used to add button on message box. / / MessageButton is type of enumMessageButton / through which I get type of button which needs to be displayed. private void addButton(en

29、umMessageButton MessageButton) switch (MessageButton) case enumMessageButton.OK: /If type of enumButton is OK then we add OK button only. Button btnOk = new Button(); /Create object of Button. btnOk.Text = OK; /Here we set text of Button. btnOk.DialogResult = DialogResult.OK; /Set DialogResult /prop

30、erty of button. btnOk.FlatStyle = FlatStyle.Popup; /Set flat appearance /of button. btnOk.FlatAppearance.BorderSize = 0; btnOk.SetBounds(pnlShowMessage.ClientSize.Width - 80, 5, 75, 25); / Set bounds of button. pnlShowMessage.Controls.Add(btnOk); /Finally Add button control / on panel. break; case e

31、numMessageButton.OKCancel: Button btnOk = new Button(); btnOk.Text = OK; btnOk.DialogResult = DialogResult.OK; btnOk.FlatStyle = FlatStyle.Popup; btnOk.FlatAppearance.BorderSize = 0; btnOk.SetBounds(pnlShowMessage.ClientSize.Width - 70), 5, 65, 25); pnlShowMessage.Controls.Add(btnOk); Button btnCanc

32、el = new Button(); btnCancel.Text = Cancel; btnCancel.DialogResult = DialogResult.Cancel; btnCancel.FlatStyle = FlatStyle.Popup; btnCancel.FlatAppearance.BorderSize = 0; btnCancel.SetBounds(pnlShowMessage.ClientSize.Width - (btnOk.ClientSize.Width + 5 + 80), 5, 75, 25); pnlShowMessage.Controls.Add(b

33、tnCancel); break; case enumMessageButton.YesNo: Button btnNo = new Button(); btnNo.Text = No; btnNo.DialogResult = DialogResult.No; btnNo.FlatStyle = FlatStyle.Popup; btnNo.FlatAppearance.BorderSize = 0; btnNo.SetBounds(pnlShowMessage.ClientSize.Width - 70), 5, 65, 25); pnlShowMessage.Controls.Add(btnNo); Button btnYes = new Button(); btnYes.Text = Yes; btnYes.DialogResult = DialogResult.Yes; btnYes.FlatStyle = FlatStyle.Popup; btnYes.FlatAppearance.BorderSize = 0; btnYes.SetBounds