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How to set the thumbnail image on HTML5 video?

... <?php $thumbs_dir = 'E:/xampp/htdocs/uploads/thumbs/'; $videos = array(); if (isset($_POST["name"])) { if (!preg_match('/data:([^;]*);base64,(.*)/', $_POST['data'], $matches)) { die("error"); } $data = $matches[2]; $data ...
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Force to open “Save As…” popup open at text link click for PDF in HTML

...e browser to download the file, modify the HTTP headers directly. Here's a PHP code example: $path = "path/to/file.pdf"; $filename = "file.pdf"; header('Content-Transfer-Encoding: binary'); // For Gecko browsers mainly header('Last-Modified: ' . gmdate('D, d M Y H:i:s', filemtime($path)) . ' GMT')...
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What Makes a Method Thread-safe? What are the rules?

...ble is that it is only visible from within the local scope, not that it is allocated on the temporary pool. It is perfectly legal and possible to access the same local variable from two different threads. You can do so by using anonymous methods, lambdas, iterator blocks or async methods. Is th...
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Are single quotes allowed in HTML?

I am a big time user of using double quotes in PHP so that I can interpolate variables rather than concatenating strings. As a result, when I am generating HTML I often use single quotes for setting tag fields. For example: ...
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How to test if a string is JSON or not?

... a JSON string with useful data or an error message string produced by the PHP function mysql_error() . How can I test whether this data is a JSON string or the error message. ...
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Markdown and image alignment

...a" processors support attributes. So you can include a class name like so (PHP Markdown Extra): ![Flowers](/flowers.jpeg){.callout} or, alternatively (Maruku, Kramdown, Python Markdown): ![Flowers](/flowers.jpeg){: .callout} Then, of course, you can use a stylesheet the proper way: .callout ...
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Differences between cookies and sessions?

... this topic, https://web.stanford.edu/~ouster/cgi-bin/cs142-fall10/lecture.php?topic=cookie share | improve this answer | follow | ...
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How to automatically reload a page after a given period of inactivity

... Hero! This is perfect thanks. I have my PHP sessions set to expire after an hour, and this is set to refresh a little over an hour. I think this should accomplish the logout after inactivity functionality i'm after. – Tspesh ...
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Set attributes from dictionary in python

...case, rather than blowing up) - I found it crazy that something so easy in PHP ((object) ['x' => 'y']) required so much cruft in Python – Someguy123 Feb 6 '16 at 17:12 ...
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TypeError: Cannot read property 'then' of undefined

...uid is "+cUid); var $checkSessionServer=$http.post('data/check_session.php?cUid='+cUid); $checkSessionServer.then(function(){ alert("session check returned!"); console.log("checkSessionServer is "+$checkSessionServer); }); return $checkSessionServer; // <-- return ...