This is a first link dump in this blog, where I will list all interesting links that I have found in Internet. I plan to post link dumps once a week, so stay tuned to read most useful stuff with no effort. Todays topics are: organizing your CSS, top mistakes made by WordPress plugins authors, ways MySQL uses indexes, and the git version control advantages over the Subversion.

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It’s time to summarize what we have done for the Open Source community. Scribd is pretty open company, we release a lot of code into the public after a time (sometimes it is short, sometimes it is not). Here I want to mention all the code we have opensourced. Please take into account that time is moving on, so we are publishing more and more code. I will update this post periodically, so stay tuned. Follow me on Twitter to get instant updates.

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You are developing a large Web application. Controllers are full of complex data retrieving logic, views contain tons of blocks, partials, loops. One day you will receive an email with user complaints about some of your pages slowness. There are many profiling tools, some of them are easy (ruby-prof), others are large and complex (newrelic), but regardless of this it’s really hard to find the particular place where you have a real bottleneck. So we created really simple, but über-useful tool for ruby code profiling.

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This is a third part of the JavaScript optimization tutorial, and today I’m going to talk about events. Sorry for a long delay between posts, I hope remaining parts would not be delayed so much.

Scenario: you have some elements and you need to add some actions to them (for example, when user moves mouse cursor over element, or clicks on elements).

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Rails is just an interface to the memcached?

Cache the Hell out Everything
90% API Requests — cache them

Read the Scaling Twitter.