When you are working in shopping cart site with Paypal you must wonder how to show multiple items in Paypal site during checkout. Its pretty simple. You can add / pass n number of items to Paypal page for checkout instead of 1 single item with total price, if you do so the use may … Continue Reading
Monthly Archives
June 2012
How to Create Custom Column Renderer in magento grid
Magento Admin Grid provides the tabular data from database in grid format. This is convenient for all text data. In Some cases we may have other data type to be shown in grid which is not plain text data. For example Image data. For this purpose magento provides us the flexibility to define our own … Continue Reading
Percentage loader with jQuery plugin & HTML 5
jQuery.PercentageLoader is a jQuery plugin for displaying a progress widget in more visually striking way than the ubiquitous horizontal progress bar / textual counter. The plugin takes miniminal installation and is simple and flexibile to use. It makes use of HTML 5 canvas for a rich graphical appearance with only a 10kb (minified) javascript file … Continue Reading
How to create Singly LinkedList in Javascript
Linked lists are among the simplest and most common data structures. A Linked List contains 2 parts data and the link(pointer) to the next data element Though coding of linked list is common in languages such as C, PHP. We will see how to implement in Javascript.
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<script type="text/javascript">// <![CDATA[ function Node(data) { this.data = data; this.next = 'null'; } var LinkedList = { firstNode: 'null', lastNode: 'null', insert: function(data) { var node = new Node(data); if(this.firstNode=='null' && this.lastNode=='null') { this.firstNode = node; this.lastNode = node; } else { this.lastNode.next = node; this.lastNode = node; } }, remove: function(key) { var current,previous; current = this.firstNode; while(current.data!=key) { if(current.next=='null'){ return 'null'; } else { previous = current; current = current.next; } } if(current==this.firstNode){ current = this.firstNode.next; this.firstNode = current; } else { previous.next = current.next; } document.write(" <b>After Deleting " + key+ " </b> "); }, display: function() { var current; var listdisplay = ''; current = this.firstNode; while(current!='null') { listdisplay += current.data + " -> "; current = current.next; } document.write("Linked List: " + listdisplay); } } LinkedList.insert(7); LinkedList.insert(2); LinkedList.insert(5); LinkedList.display(); LinkedList.remove(2); LinkedList.display(); // ]]></script> |