Latest Screencasts (page 3)

Sequel is an awesome Ruby library for working with databases. As opposed to ActiveRecord and DataMapper, which are based on working with model objects, Sequel is meant to be used to directly query a database, without needed to go through an object relational mapper. You can use models and associations...

At Dev Fu!, we started coding all of our new applications using DataMapper a few months back. For awhile, we were waiting for Rails 3 to be released (which has DataMapper support baked in), but we realized we were preventing ourselves from using a tool that we love (and prefer...

PHD gives you Passenger-based Heroku-like Deployment. Having been spoiled by Heroku for some time, I love being able to run 2 commands from a git repository to deploy an application: 1 $ heroku create my-app 2 $ git push heroku master If you have Passenger installed on a server, you...

PushAnd is a little tool that makes it easy to push any git repository to a computer and … do something (run a script). 1 # Running this will setup your computer so you can push repositories to it 2 $ git clone git://github.com/remi/pushand.git 3 $ cd pushand 4 $...

Don’t Try This At Home OK, now that I got that out of the way … what am I doing playing with good old school Classic ASP? Basically, I’ve been thinking about JScript (Microsoft’s ECMAScript implementation) for awhile. JavaScript is a highly dynamic, relatively awesome language. So … if we...

I wanted to get started with Facebook development, so I made a little badge: Facebook Github Badge In this screencast, I walk through the basics of creating something similar. We … setup a Facebook application get it setup so we can test it (running on our local computer) render HTML...

Now that GemCutter is becoming the standard host for gems, deploying gems couldn’t be easier! We no longer need tools like hoe, newgem, bones, jeweler or others. Sure, these tools may still be useful, but we don’t need them to create simple gems! Let’s say you have a Ruby file...

So, back when all I needed to do with many Twitter apps was to authenticate against Twitter’s OAuth and that was it, I created and screencasted the original Rack::OAuth gem. After coding a few Twitter apps that needed more integration, and in response to feedback about the first gem, I’ve...

A few years back, I watched the Peepcode episode Ajax with Prototype.js. I thought it was the coolest thing ever!Compared to having to deal directly with XMLHttpRequest objects, it was so easy. But that was way back in 2007. Now, jQuery is where it’s at. And doing AJAX with jQuery...

Creating plugins for jQuery is trivially easy and can help you: clean up your javascript in individual applications share re-used javascript between multiple applications share your snazzy jQuery voodoo with others! 1 $.fn.color = function(color){ 2 return this.each(function(){ 3 $(this).css('color', color); 4 }); 5 }; 6 7 $('a').color('red').css('font-weight', 'bold'); 8...