Articles

The vlookup or Vertical Look Up Function in Openoffice calc can be used to search a range of cells.Suppose you have two spreadsheets and you want to append data from one sheet to another. We can use vlookup() in open office calc to accomplish this task. vlookup() searches for values in one column and given values in another column in true condition. Read on to know how to user VLookup. The syntax for vlookup() is VLOOKUP(lookup_value, table_array, col_index_num, range_lookup)

You have heard the word proportion in Architecture. If you want to call a Architecture classical, the key concept should be proportion, i.e, correlation of one element to another. Same in the case of UI. User Interface(UI) acts as a medium of interaction between the User and the Web. In a web application the most important aspect is the user interface, because this is the only part end users are going to view. Before we start, I want to you to know how we reached to this article"Why is proportion important in UI".

As the main intention of testing is to ensure the quality of the final product, understanding of various testing types is crucial for a tester. In this article we will see the main difference between two testing types- retesting and regression testing.

In Drupal, while adding a menu item, we can give it a title, description, path and such details. It is not possible to give images for these menu items at the time of creation, by default. If you are looking for a solution, then read on. This particular task can be achieved by overriding the theme function theme_menu_item_link() in our theme's template.php Use the below function in your template.php :

Integration testing is grey box testing method in which combined parts of an application is tested to determine whether all these functions works together. Let us learn this with an example. Suppose your Drupal site sells online products and the shipment charge is set in such a way that it will be applicable to the product depending on the weight and destination. While doing the unit testing, tester has to test product selection, setting price,setting shipment to the destination etc separately. But in integration testing we test all these different functionality as a whole.

There may arise situations when you would want to display the contents of a block inside a template file or along with any other output variables. module_invoke() function can be used for this purpose. The module_invoke() is a function to invoke a hook in Drupal. The syntax for module_invoke is different for Drupal 6 and Drupal 7.

One of our Drupal clients had requested us to work on their Drupal website which was built around the ability to search the content on the site. Since the default Drupal search was a bit heavy they had opted to use ElasticSearch which was a dedicated lightweight tool for this purpose. Before developing we wanted to check ElasticSearch was running on their server. Read on to know how to check whether Elastic Search is running on your server