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How to detect internet speed in JavaScript?

...re: //JUST AN EXAMPLE, PLEASE USE YOUR OWN PICTURE! var imageAddr = "http://www.kenrockwell.com/contax/images/g2/examples/31120037-5mb.jpg"; var downloadSize = 4995374; //bytes function ShowProgressMessage(msg) { if (console) { if (typeof msg == "string") { cons...
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How do I expire a PHP session after 30 minutes?

...['expire'] = $_SESSION['start'] + (30 * 60); header('Location: http://localhost/somefolder/homepage.php'); } else { echo "Please enter the username or password again!"; } } ?> HomePage.php <?php session_start(); if (!isset($_SESSION['luse...
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Substitute multiple whitespace with single whitespace in Python [duplicate]

I have this string: 3 Answers 3 ...
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Get Image size WITHOUT loading image into memory

I understand that you can get the image size using PIL in the following fashion 6 Answers ...
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How to change the indentation width in emacs javascript mode

I'd like to use 2 spaces for my indents instead of 4. I can change the default behavior of C mode using: 9 Answers ...
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best way to get the key of a key/value javascript object

If I have a JS object like: 18 Answers 18 ...
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What is a monad?

Having briefly looked at Haskell recently, what would be a brief, succinct, practical explanation as to what a monad essentially is? ...
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Which is preferred: Nullable.HasValue or Nullable != null?

I always used Nullable<>.HasValue because I liked the semantics. However, recently I was working on someone else's existing codebase where they used Nullable<> != null exclusively instead. ...
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Moving from CVS to Git: $Id$ equivalent?

I read through a bunch of questions asking about simple source code control tools and Git seemed like a reasonable choice. I have it up and running, and it works well so far. One aspect that I like about CVS is the automatic incrementation of a version number. ...
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What are the parameters sent to .fail in jQuery?

... According to http://api.jquery.com/jQuery.ajax/ the fail callback should be getting: jqXHR, textStatus, errorThrown same as error, but error is deprecated: Deprecation Notice: The jqXHR.success(), jqXHR.error(), and jqXHR.complete...