大约有 40,000 项符合查询结果(耗时:0.0198秒) [XML]

https://stackoverflow.com/ques... 

Image Greyscale with CSS & re-color on mouse-over?

....grayscale { filter: url("data:image/svg+xml;utf8,<svg xmlns=\'http://www.w3.org/2000/svg\'><filter id=\'grayscale\'><feColorMatrix type=\'matrix\' values=\'0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0 0 0 1 0\'/></filter></svg>#graysca...
https://stackoverflow.com/ques... 

How to save an image locally using Python whose URL address I already know?

...want to do is save it as a file: import urllib urllib.urlretrieve("http://www.digimouth.com/news/media/2011/09/google-logo.jpg", "local-filename.jpg") The second argument is the local path where the file should be saved. Python 3 As SergO suggested the code below should work with Python 3. import...
https://stackoverflow.com/ques... 

Are class names in CSS selectors case sensitive?

... 4.01 Strict <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> HTML 4.01 Transitional <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> HTML 4.01 Frameset <!DOCTYPE HTML PUBLIC "-//W...
https://stackoverflow.com/ques... 

How can one use multi threading in PHP applications

...); } } $t = microtime(true); $g = new AsyncWebRequest(sprintf("http://www.google.com/?q=%s", rand() * 10)); /* starting synchronization */ if ($g->start()) { printf("Request took %f seconds to start ", microtime(true) - $t); while ( $g->isRunning() ) { echo "."; us...
https://stackoverflow.com/ques... 

How does Facebook Sharer select Images and other metadata when sharing my URL?

...ook's crawler, which has a user agent of facebookexternalhit/1.1 (+https://www.facebook.com/externalhit_uatext.php), will access your page and cache the meta information. To force Facebook servers to clear the cache, use the Facebook Url Debugger / Linter Tool that they launched in June 2010 to ref...
https://stackoverflow.com/ques... 

MySQL string replace

...E your_field LIKE '%articles/updates/%' Now rows that were like http://www.example.com/articles/updates/43 will be http://www.example.com/articles/news/43 http://www.electrictoolbox.com/mysql-find-replace-text/ shar...
https://stackoverflow.com/ques... 

Import error: No module name urllib2

...stead be saying from urllib.request import urlopen html = urlopen("http://www.google.com/").read() print(html) Your current, now-edited code sample is incorrect because you are saying urllib.urlopen("http://www.google.com/") instead of just urlopen("http://www.google.com/"). ...
https://stackoverflow.com/ques... 

What is a good regular expression to match a URL? [duplicate]

... Regex if you want to ensure URL starts with HTTP/HTTPS: https?:\/\/(www\.)?[-a-zA-Z0-9@:%._\+~#=]{1,256}\.[a-zA-Z0-9()]{1,6}\b([-a-zA-Z0-9()@:%_\+.~#?&//=]*) If you do not require HTTP protocol: [-a-zA-Z0-9@:%._\+~#=]{1,256}\.[a-zA-Z0-9()]{1,6}\b([-a-zA-Z0-9()@:%_\+.~#?&//=]*) To...
https://stackoverflow.com/ques... 

HTML tag want to add both href and onclick working

... You already have what you need, with a minor syntax change: <a href="www.mysite.com" onclick="return theFunction();">Item</a> <script type="text/javascript"> function theFunction () { // return true or false, depending on whether you want to allow the `href` propert...
https://stackoverflow.com/ques... 

PHP Function Comments

...(if any)... * * @copyright 2006 Zend Technologies * @license http://www.zend.com/license/3_0.txt PHP License 3.0 * @version Release: @package_version@ * @link http://dev.zend.com/package/PackageName * @since Class available since Release 1.2.0 */ Sample File: <?php ...