Webmasters/Webdesigners often need to do repetitive image manipulation tasks like resizing for thumbnails, image borders etc. Even though a plethora of image manipulation software are available, nothing beats ImageMagick when you need to perform simple tasks, especially since it lends itself well to automation using shell scripts. We outline here 5 common image manipulation techniques with ImageMagick.

Like it or not pop ups are there to stay and often values need to be passed from the pop up to the parent window. Although modal window based popups are currently less popular and being replaced by (slicker?) div based ‘pseudo’ popups, its still worthwhile to know how to pass values from a popup to its parent window.