I have read quite a few tutorials that try and explain these but they just aren't making sense. Could someone try to explain what they are and why they should be used?
Shadoninja 0 Light Poster
Salem 5,248 Posting Sage
Be a part of the DaniWeb community
We're a friendly, industry-focused community of developers, IT pros, digital marketers, and technology enthusiasts meeting, networking, learning, and sharing knowledge.