su -s /bin/bash www-data cd /var/www svn checkout http://www.xxx.com/svn/my_site
<?php
putenv('LANG=C.UTF-8');
$result = shell_exec('svn update --accept theirs-full /var/www/my_site 2>&1');
echo nl2br($result);
<a> 里面再嵌入一个 <a> 这样的约定。<html> 而不应是 <HTML>）ä 和 ä）
<script> 和 <style> 的内容，在 HTML 4 里是 CDATA 而在 XHTML 里是 #PCDATA<table> 标签后可以紧跟一个 <tr>，而在 HTML 4.01 里，不允许这样，不过 <tbody> 标签又是可以省略的。意思就是说，如果代码中的 <table> 后紧跟 <tr>，对于 HTML 4.01，会隐性的生成一个 <tbody> 标签，而在 XHTML 里面就没有。这会影响到样式表使用 tbody 作为选择器。html, address,
blockquote,
body, dd, div,
dl, dt, fieldset, form,
frame, frameset,
h1, h2, h3, h4,
h5, h6, noframes,
ol, p, ul, center,
dir, hr, menu, pre { display: block; unicode-bidi: embed; }
li { display: list-item; }
head { display: none; }
table { display: table; }
tr { display: table-row; }
thead { display: table-header-group; }
tbody { display: table-row-group; }
tfoot { display: table-footer-group; }
col { display: table-column; }
colgroup { display: table-column-group; }
td, th { display: table-cell; }
caption { display: table-caption; }
th { font-weight: bolder; text-align: center; }
caption { text-align: center; }
body { margin: 8px; }
h1 { font-size: 2em; margin: .67em 0; }
h2 { font-size: 1.5em; margin: .75em 0; }
h3 { font-size: 1.17em; margin: .83em 0; }
h4, p,
blockquote, ul,
fieldset, form,
ol, dl, dir,
menu { margin: 1.12em 0; }
h5 { font-size: .83em; margin: 1.5em 0; }
h6 { font-size: .75em; margin: 1.67em 0; }
h1, h2, h3, h4,
h5, h6, b,
strong { font-weight: bolder; }
blockquote { margin-left: 40px; margin-right: 40px; }
i, cite, em,
var, address { font-style: italic; }
pre, tt, code,
kbd, samp { font-family: monospace; }
pre { white-space: pre; }
button, textarea,
input, select { display: inline-block; }
big { font-size: 1.17em; }
small, sub, sup { font-size: .83em; }
sub { vertical-align: sub; }
sup { vertical-align: super; }
table { border-spacing: 2px; }
thead, tbody,
tfoot { vertical-align: middle; }
td, th, tr { vertical-align: inherit; }
s, strike, del { text-decoration: line-through; }
hr { border: 1px inset; }
ol, ul, dir,
menu, dd { margin-left: 40px; }
ol { list-style-type: decimal; }
ol ul, ul ol,
ul ul, ol ol { margin-top: 0; margin-bottom: 0; }
u, ins { text-decoration: underline; }
br:before { content: "\A"; white-space: pre-line; }
center { text-align: center; }
:link, :visited { text-decoration: underline; }
:focus { outline: thin dotted invert; }
/* Begin bidirectionality settings (do not change) */
BDO[DIR="ltr"] { direction: ltr; unicode-bidi: bidi-override; }
BDO[DIR="rtl"] { direction: rtl; unicode-bidi: bidi-override; }
*[DIR="ltr"] { direction: ltr; unicode-bidi: embed; }
*[DIR="rtl"] { direction: rtl; unicode-bidi: embed; }
@media print {
h1 { page-break-before: always; }
h1, h2, h3,
h4, h5, h6 { page-break-after: avoid; }
ul, ol, dl { page-break-before: avoid; }
}
<?php
/**
* 圖片特徵 Hash 計算
*
* @version $Id: ImageHash.php 4429 2012-04-17 13:20:31Z jax $
* @author jax.hu
*
* <code>
* //Sample_1
* $hashA = ImageHash::pHash('001.jpg');
* $hashB = ImageHash::pHash('002.jpg');
* if(ImageHash::isSimilar($hashA, $hashB)){
*
* }
*
* </code>
*/
class ImageHash {
/**讀取圖片至指定大小*/
public static function readImageTo($imagePath, $width, $height){
if(!$imagePath || !file_exists($imagePath)){ return null; }
if(class_exists('Imagick')){
$image = new Imagick($imagePath);
$image->thumbnailImage($width, $height);
$img = imagecreatefromstring($image->getImageBlob());
$image->destroy(); $image = null;
}else{
$createFunc = array(
IMAGETYPE_GIF =>'imageCreateFromGIF',
IMAGETYPE_JPEG =>'imageCreateFromJPEG',
IMAGETYPE_PNG =>'imageCreateFromPNG',
IMAGETYPE_BMP =>'imageCreateFromBMP',
IMAGETYPE_WBMP =>'imageCreateFromWBMP',
IMAGETYPE_XBM =>'imageCreateFromXBM',
);
$type = exif_imagetype($imagePath);
if(!array_key_exists($type, $createFunc)){ return null; }
$func = $createFunc[$type];
if(!function_exists($func)){ return null; }
$src = $func($imagePath);
$img = imageCreateTrueColor($width, $height);
imageCopyResized(
$img, $src,
0,0,0,0,
$width, $height, imagesX($src),imagesY($src)
);
imagedestroy($src);
}
return $img;
}
/**取得灰階數值*/
public static function getGray($img,$x,$y){
$col = imagecolorsforindex($img, imagecolorat($img,$x,$y));
return intval($col['red']*0.3 + $col['green']*0.59 + $col['blue']*0.11);
}
/**取得 DCT 常數*/
private static $_dctConst = null;
public static function getDctConst(){
if(self::$_dctConst){ return self::$_dctConst;}
self::$_dctConst = array();
for ($dctP=0; $dctP<8; $dctP++) {
for ($p=0;$p<32;$p++) {
self::$_dctConst[$dctP][$p] =
cos( ((2*$p + 1)/64) * $dctP * pi() );
}
}
return self::$_dctConst;
}
/**圖片檔案 aHash
* @param string $filePath 檔案位址路徑
* @return string 圖片 hash 值，失敗則是 null
* */
public static function aHash($imagePath){
$img = self::readImageTo($imagePath, 8, 8);
if(!$img){ return null; }
$graySum = 0;
$grays = array();
for ($y=0; $y<8; $y++){
for ($x=0; $x<8; $x++){
$gray = self::getGray($img,$x,$y);
$grays[] = $gray;
$graySum += $gray;
}
}
imagedestroy($img);
/*計算所有像素的灰階平均值*/
$average = $graySum/64;
/*計算 hash 值*/
foreach ($grays as $i => $gray){
$grays[$i] = ($gray>=$average) ? '1' : '0';
}
return join('',$grays);
}
/**圖片檔案 pHash
* @param string $filePath 檔案位址路徑
* @return string 圖片 hash 值，失敗則是 null
* */
public static function pHash($imagePath){
$img = self::readImageTo($imagePath, 32, 32);
if(!$img){ return null; }
/*取得灰階數值 32*32*/
$grays = array();
for ($y=0; $y<32; $y++){
for ($x=0; $x<32; $x++){
$grays[$y][$x] = self::getGray($img,$x,$y);
}
}
imagedestroy($img);
/*計算 DCT 8*8*/
$dctConst = self::getDctConst();
$dctSum = 0;
$dcts = array();
for ($dctY=0; $dctY<8; $dctY++) {
for ($dctX=0; $dctX<8; $dctX++) {
$sum = 1;
for ($y=0;$y<32;$y++) {
for ($x=0;$x<32;$x++) {
$sum +=
$dctConst[$dctY][$y] *
$dctConst[$dctX][$x] *
$grays[$y][$x];
}
}
/*apply coefficients*/
$sum *= .25;
if ($dctY == 0 || $dctX == 0) {
$sum *= 1/sqrt(2);
}
$dcts[] = $sum;
$dctSum += $sum;
}
}
/*計算所有像素的灰階平均值*/
$average = $dctSum/64;
/*計算 hash 值*/
foreach ($dcts as $i => $dct){
$dcts[$i] = ($dct>=$average) ? '1' : '0';
}
return join('',$dcts);
}
/**圖片檔案 dHash
* @param string $filePath 檔案位址路徑
* @return string 圖片 hash 值，失敗則是 null
* */
public static function dHash($imagePath){
$img = self::readImageTo($imagePath, 9, 8);
if(!$img){ return null; }
$grays = array();
for ($y=0; $y<8; $y++){
for ($x=0; $x<9; $x++){
$grays[$y][$x] = $gray = self::getGray($img,$x,$y);
}
}
imagedestroy($img);
$bitStr = array();
for ($y=0; $y<8; $y++){
for ($x=0; $x<8; $x++){
$bitStr[] = ($grays[$y][$x] < $grays[$y][$x+1]) ? '1' : '0';
}
}
return join('',$bitStr);
}
/**比較兩個 hash 值，是不是相似
* @param string $aHash A圖片的 hash 值
* @param string $bHash B圖片的 hash 值
* @return bool 當圖片相似則回傳 true，否則是 false
* */
public static function isSimilar($hashStrA, $hashStrB){
$aL = strlen($hashStrA); $bL = strlen($hashStrB);
if ($aL !== $bL){ return false; }
/*計算兩個 hash 值的漢明距離*/
$distance = 0;
for($i=0; $i<$aL; $i++){
if ($hashStrA{$i} !== $hashStrB{$i}){ $distance++; }
}
return ($distance <= 10) ? true : false;
}
}
<?xml version="1.0" encoding="utf-8"?>
<menu_config>
<menu title="文章管理" url="~/Article" target="" allow="">
<submenu title="列表" url="~/Article/list" allow="" />
<submenu />
<submenu title="新增" url="~/Article/add" allow="" />
</menu>
<menu />
<menu title="帳號管理" url="~/Admin" />
</menu_config>
//using System.Collections.Generic;
//using System.IO;
//using System.Linq;
//using System.Xml.Linq;
//using System.Text;
public class MenuDataModel
{
/*POCO 資料欄位*/
public string Title { get; set; }
public string Url { get; set; }
public string Target { get; set; }
public string Allow { get; set; }
public string Icon { get; set; }
public List<MenuDataModel> Submenu { get; set; }
/*取得資料清單*/
public static List<MenuDataModel> GetList(string menuConfigPath)
{
/*讀取 XML 檔案*/
var xmlContent = File.ReadAllText(menuConfigPath, Encoding.UTF8);
var menuDocument = XDocument.Parse(xmlContent);
/*利用 LINQ 轉成 POCO*/
return menuDocument.Root.Elements("menu")
.Select(menu => new MenuDataModel
{
/*取得 Element 上的 Attribute*/
Title = (string) menu.Attribute("title"),
Url = (string) menu.Attribute("url"),
Target = (string) menu.Attribute("target"),
Icon = (string) menu.Attribute("icon") ?? "Item",
Allow = (string) menu.Attribute("allow"),
/*取得子層級 Element 上的 Attribute*/
Submenu = menu.Elements("submenu")
.Select(sub => new MenuDataModel
{
Title = (string) sub.Attribute("title"),
Url = (string) sub.Attribute("url"),
Target = (string) sub.Attribute("target"),
Icon = (string) sub.Attribute("icon") ?? "Item",
Allow = (string) sub.Attribute("allow"),
}).ToList(),
}).ToList();
}
}
void Main()
{
var path = @"D:\menu_config.xml";
List<MenuDataModel> list = MenuDataModel.GetList(path);
list.Dump();
}
//using System.Net;
//using System.IO;
//using System.Text;
string url = @"http://msdn.microsoft.com/en-us/library/az24scfc.aspx";
string title = String.Empty;
WebResponse response = null;
WebRequest request = WebRequest.Create(url);
/*設定最長執行的毫秒數*/
request.Timeout = 10000;
try{
/*取得 URL 頁面資料*/
response = request.GetResponse();
StreamReader stream = new StreamReader(
response.GetResponseStream(), Encoding.UTF8
);
/*只取得前 4096 個字*/
char[] buf = new char[4096];
stream.Read(buf, 0, buf.Length);
/*尋找標題字串*/
string pageText = new String(buf);
string pattern = @"(?<=<title[^>]*>)([^<]*)(?=</title>)";
title = Regex.Match(pageText, pattern, RegexOptions.IgnoreCase)
.Value.Trim();
}catch(WebException e){
}finally{
if(response!=null){ response.Close(); }
}
title.Dump();