CSS sprites can majorly reduce the number of HTTP requests for images referenced by your sites html, javascript, and css files. Images are combined into a single larger image at specific X and Y points. Now you give an html element the background-image of the sprite, and specify the background-position of the image all in the CSS. You can learn how to create CSS Image Sprites in Adobe Photoshop. A method of using a master image made up of smaller images that are used for presentation within a site, and displaying these images as needed by positioning them via the background-position property The css background-position declaration informs the clients browser where to position a background image. The property accepts three kinds of values: keywords, pixels and percentages, values that may be mixed. When you use only pixels and percentages, the first value denotes the left position, the second one the top position. Get the backgrond-position specs and practice some example positioning.
The JavaScript image cropper UI allows the user to crop an image using an interface with the same features and styling as found in commercial image editing software, and is is based on the Prototype JavaScript framework and script.aculo.us. Similar to other image cropping tools, it also supports aspect ratio, minimum and maximum dimension for the crop areas and dynamic image previewing. This UI is compatible with most popular browsers.
A stemmer for English, for example, should identify the string "cats" (and possibly "catlike", "catty" etc.) as based on the root "cat", and "stemmer", "stemming", "stemmed" as based on "stem". A stemming algorithm reduces the words "fishing", "fished", "fish", and "fisher" to the root word, "fish". more