There are different important functions that you can implement in your Collection object. The functions are present in Varien_Data_Collection_Db class. The class file is present in lib/Varien/Data/Collection/Db.php Here are some of the functions that you can use in your collection object:-

You can use jQuery queue() function with setTimeout() function to set some time interval between events in jQuery. Like, you have run one event and wanted the browser to wait for some time to run the next event. At this instance, queue function is very helpful. Suppose, you wanted an image to fade in and [...]

Explaining/Illustrating different ways to generate random numbers and strings in PHP