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Why use a READ UNCOMMITTED isolation level?
... relevant to a decision. In fact, if you can't pull a small subset without blocking it might be for the good reason that it's being currently edited.
Historical data. It rarely makes a practical difference but whereas users understand constantly changing data can't be perfect, they don't feel the sa...
What is the maximum length of latitude and longitude? [closed]
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More on lat/lng precision: mysql.rjweb.org/doc.php/latlng#representation_choices
– Rick James
Mar 4 '19 at 0:08
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Center a popup window on screen?
...ops = Number((screen.height/2)-(h/2));
window.open("templates/sales/index.php?go=new_sale", '', 'toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=no, resizable=no, copyhistory=no, width='+w+', height='+h+', top='+tops+', left='+left);
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What's the fuss about Haskell? [closed]
...pically happen when you run the above program is this: the program reads a block (say 8KB) of the first file, then writes it to the second file, then reads another block from the first file, and writes it to the second file, and so on. (Try running strace on it!)
... which looks a lot like what the...
scp or sftp copy multiple files with single command
...edu:/some/remote/directory/
Source: http://www.hypexr.org/linux_scp_help.php
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Building a notification system [closed]
...r users on the site, I would tie them with nodejs + websockets client with php pushing update to nodejs for all listeners as change gets added.
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How to set the thumbnail image on HTML5 video?
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<?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 ...
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')...
Instagram how to get my user id from username?
...API, one can examine the Instagram userpage to get the id. Example code in PHP:
$html = file_get_contents("http://instagram.com/<username>");
$doc = new DOMDocument();
$doc->loadHTML($html);
$xpath = new DOMXPath($doc);
$js = $xpath->query('//body/script[@type="text/javascript"]')->...
Get next / previous element using JavaScript?
... <body>
<form method="post" id = "formId" action="action.php" onsubmit="return false;">
<table>
<tr>
<td>
<label class="standard_text">E-mail</label>
</td...