Logging is extremely useful. URL, paramaters, database calls, and other useful information.

There are 5 levels of logging in Ruby on Rails: Debug, Info, Warn, Error, and Fatal.

In production, all logging is set to "Info" level by default. All other levels are set to "Debug"

This video will show you how to add a debug statement to a Rails application.

jQuery is a JavaScript framework that makes it simple to add behavior to websites cross-browser using the same CSS selectors web developers are familiar with. This allows you to write less and do more.

In this CSS Quick Tip, we'll learn how to define color values with the HSLa color model. HSLa stands for Hue, Saturation, Lightness, and alpha.

This color method is much more intuitive than RGBA or Hex values, allows you to use the color wheel to select the hue.

In this Quick Tip we'll learn about Normalize.css, a new CSS tool we can use as an alternative to traditional CSS reset methods.

Normalize.css makes browsers render all elements more consistently and in line with modern standards. It precisely targets only the styles that need normalizing.

In this Treehouse Quick Tip, we'll learn how to create scalable full-page background images with CSS.

This allows you to easily customize the background of your web page with just a single line of CSS.

Best of all, the background image will scale with the browser size to maintain a consistent look across devices and resolutions.

In this Quick Tip we'll learn how to apply multiple background images to an element with just one CSS declaration.

This CSS3 tool allows you to layer several background images on top of each other to create the perfect look.

And, it's as easy as specifying different images in the background-image element you are probably already using.

In this Treehouse Quick Tip, we'll learn how to add drop shadows to HTML elements with the CSS box-shadow property.

This allows you to change shadow effects on an element with just a few quick CSS edits, rather than opening Photoshop and creating a new image.

In this Treehouse Quick Tip, we're going to learn how to load and use brushes and patterns in Adobe Photoshop. Using brushes and patterns allows you to create a tactile and artistic feel that will set your design apart from the rest.

Effective marketing often comes down to who has the best content. However, whether you’re a designer or not, you still have to lead users along the right path.

In this Quick Tip, marketing teacher Dan Gorgone describes how considering the user's goals, experience, and the basics of design can help you create calls to action to get results.

Great customer service is essential to running a successful business. In this video, we'll go over a few tips that will help you take your customer service to the next level!