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user authentication libraries for node.js?

... Among all auth packages for node I selected passport. It's well-documented and easy to use, and supports more strategies. – tech-man May 14 '12 at 4:16 ...
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Moving average or running mean

... UPD: more efficient solutions have been proposed by Alleo and jasaarim. You can use np.convolve for that: np.convolve(x, np.ones((N,))/N, mode='valid') Explanation The running mean is a case of the mathematical operation of convolution. For the running mean, you slide...
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MongoDB: How to update multiple documents with a single command?

...: 'field1', field2: 'field2'}) New in version 3.2 Params:: {}: select all records updated Keyword argument multi not taken share | improve this answer | follow ...
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How to check if a number is between two values?

... edited Sep 3 '19 at 10:43 JuicY_Burrito 35522 silver badges1313 bronze badges answered Feb 5 '13 at 22:58 und...
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Use HTML5 to resize an image before upload

... var canvas = document.createElement('canvas'), max_size = 544,// TODO : pull max size from a site config width = image.width, height = image.height; if (width > height) { if (width > max_size) ...
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What does (function($) {})(jQuery); mean?

I am just starting out with writing jQuery plugins. I wrote three small plugins but I have been simply copying the line into all my plugins without actually knowing what it means. Can someone tell me a little more about these? Perhaps an explanation will come in handy someday when writing a framewor...
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Send attachments with PHP Mail()?

...a convenient place in your project. Include the main script file -- require_once('path/to/file/class.phpmailer.php'); Now, sending emails with attachments goes from being insanely difficult to incredibly easy: use PHPMailer\PHPMailer\PHPMailer; use PHPMailer\PHPMailer\Exception; $email = new PHP...
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How do I get the last inserted ID of a MySQL table in PHP?

...ng PDO, use PDO::lastInsertId. If you're using Mysqli, use mysqli::$insert_id. If you're still using Mysql: Please, don't use mysql_* functions in new code. They are no longer maintained and are officially deprecated. See the red box? Learn about prepared statements instead, and use PDO or MyS...
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E11000 duplicate key error index in mongodb mongoose

... null value. In other words, a sparse index is ok with multiple documents all having null values. sparse indexes From comments: Your error says that the key is named mydb.users.$email_1 which makes me suspect that you have an index on both users.email and users.local.email (The former being old an...
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How to host a Node.Js application in shared hosting [closed]

... Run the node app from PHP: <?php //Choose JS file to run $file = 'node_modules/jt-js-sample/index.js'; //Spawn node server in the background and return its pid $pid = exec('PORT=49999 node/bin/node ' . $file . ' >/dev/null 2>&1 & echo $!'); //Wait for node to start up usleep(50000...