All posts tagged ‘wiki’

File Under: Ajax

Ajax for Beginners

JavaScript has had the XMLHttpRequest object for almost a decade now, but it really only started getting wide attention in 2004. All this attention was mostly due to some showoff web applications that made every developer who saw them think, “I want my site to do that!” But it also has to do with the spiffy, spiffy name given to it by the folks at AdaptivePath, who named this asynchronized application Ajax. Maybe you’ve heard of it?

A few high-profile Google applications in particular made a splash with Ajax: Maps and Gmail were first. It also powers some of the core functionality in the user interface of the ever-so-popular photo sharing site Flickr. By now, Ajax has become integral to the fabric of the web, especially in the era of real-time applications like Twitter, Buzz and Wave (all of which use Ajax extensively in their webapp front ends, for the record). Ajax may also lay claim to being the first JavaScript object with its own fan website. Date.com doesn’t count, although I did have a scintillating chat with a lady there once about the getTimeZoneoffset method.

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File Under: Glossary

BeOS

BeOS, or Be Operating System, was the flagship product of Be, Inc.

Development of the operating system ceased around 2001 after the purchase of Be, Inc. by Palm, Inc. Development for BeOS has continued thanks to a small community of developers.

File Under: Glossary

CPC

Cost per click (CPC) is a method of charging advertisers for the user clicks their advertisements have received.

Cost per click is the going method for charging for targeted advertising, such as search ads, while cost per impression (CPM) is largely associated to branding advertisements, such as banner ads. Cost per acquisition (CPA) charges only for users who have committed a transaction or conversion.

File Under: Glossary

Duotone

Duotones are images that only display in two colors.

Like most visual techniques on the Web, duotones come from the world of print. In print, the more colors you use, the slower the production time and the higher the cost, so duotones were often an economical alternative. Duotones can also improve efficiency on the web by enabling the creation of cool-looking images with small file sizes. Duotones are made by first creating a grayscale image and then overlaying it with a different specified color.

File Under: Glossary

Hover

Much like standing behind your co-worker while she slaves away, hover implies standing by but not doing anything. In dHTML, it refers specifically to when the user has positioned her cursor over a link but not yet clicked anything. The style will not change if the cursor is simply passed over the link, but you can set an action to take place after a predetermined amount of hovering.