Category:

Dev

Socket.io 1.2.0: Handling global authorization events when client connects to a custom namespace

The documentation on socket.io’s page and its GitHub page are inconsistent (namely due to the latter being out of date, but contains information not covered by the former). A problem arises when using global authorization middleware on the server, having a client trying to connect to a custom namespace, and having the server deny access to the conne… Read more

PHP’s setcookie() with $expire set but not $domain will blow away the cookie in Internet Explorer (IE)

Spent a whole day figuring out this one.  Yet another reason why Internet Explorer is the bane of web development. Found a plethora of suggested solutions on the net, and even an old bug logged for PHP in 2001, but the reason behind the bug is still a mystery.

As the title states, if you use setcookie() with $expire set and $domain not set, then IE may simply let th… Read more

Using the background function of Processing.js with images

“Background image must be the same dimensions as the canvas.”

In case you are looking for a workaround for Processing.js background function that forces you to scale your background image, try this trick to make your browser do the scaling for you.

Set the CSS background for the canvas element to your image, and use “cover” or R… Read more

Fonts in Processing.js

Since the documentation at http://processing.js is still tailored for processing code, I’ll post an example of how to port font usage to JS (assuming you have an “inArray” function like jQuery’s).  It shows how you can store all the fonts you need in an associative array for easy reference afterward:

var fonts = {};

processing.
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CSS: Two columns equal height, one fixed, the other fluid width

To save others the time and hassle, here’s my lesson learned: don’t try it.  No matter how close you can get with CSS, after almost a day of searching and experimentation, I eventually fell back to this:

http://giveupandusetables.com/

Why?  At some point in time I had the basics working (in all browsers!), but then I tried to add another div ce… Read more

Mercurial: “hg push” over ssh, remote says “permission denied”

I spent a decent amount of time figuring out this vague error message, so perhaps this post can save someone else some hassle.  I found that many people encountered this problem, posted it on some online forum, but no one gave a clear answer.  So here is one possible solution:

Suppose you set up a remote Mercurial repository, cloned it locally via SSH to your m… Read more