Mozilla has just released the latest update to their Firefox add-on SDK, a toolkit created for a number of reasons, most importantly to make it simpler for Firefox add-ons to maintain compatibility with future Firefox releases, and to make it easier to code Firefox add-ons in general.For web developers looking to create add-ons for Firefox, the Firefox add-on SDK enables creating Firefox add-ons using web technologies; JavaScript, CSS, and HTML. It was always possible to create add-ons before the add-on SDK was released, though, and it is still possible to do so.Maintaining compatibility has been a huge problem for Firefox since they opted for a quick release cycle. To counter some of the effects of this move Mozilla made a few important changes to how add-ons work: They...

Organizing the files on your computer is tricky business. Not that the act itself is difficult, just moving / copying file from one place to another; but you are walking a fine line in terms of saving. One one hand an organization system makes it easier and saves time while trying to locate files later on; on the other hand if you spend too much time organizing, then you're not saving much anyway.But why spend time doing what the computer can do near instantly? Automating things is a computer's job so manually organizing files is like heating a clothes iron on a stove. DropIt automates the tedious task of ensuring that the right files go to the right folders.DropIt allows you to specify any number of "associations"...

This is an article continued from Developing a simple grocery inventory- Part 2. In this part we will be looking at the different groups of controls on the "Add/Delete" tab, looping through retrieved results and the "distinct" method in LINQ.Continuing from the previous article, we will now see the controls on the Tab "Add/Delete" of the tab control.Controls on Tab "Add/Delete"This tab contains many controls but most of them have similar functions. The controls here are grouped according to their functionality. The controls are grouped according to those that perform addition of a new product, modification of details of an existing product, deletion of a product, show statistics of the inventory and a listbox control that shows all the products...