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Adding, Removing or Changing a column through Active Records in Rails

While creating a web application we create models in our application which act as tables in the database. Sometimes when the development of the application moves further, the need arises to add a column to our existing table or removing a column from

Upload Multiple Files in CodeIgniter 2.0 Using Customized Library Class

In this tutorial, we will learn "How to upload multiple files with the help of Codeigniter's customized upload class named as CI_Upload_Multiple in the file named Upload_Multiple.php in the Codeigniter's library". With the help of t

CRUD MVC4

CRUD are the basic functions of persistent storage.It is also used for inserting, viewing data , searching and changing information. mainly computer based forms and reports. The term was firstly used by James Martin in 1983. Operation SQ

Few Common Test Scenarios for the Database Testing

Few Common Test Scenarios for the Database Testing:- Hello Readers.. By this blog i am contributing few common test scenarios for the Database Testing. I expect these test scenario will be help full in the time of Database Testing. These are mentio

List of 5 Best Ways That Technology Can Improve The Workplace

In the 21st century, it is hard to escape any form of technology. This is also the case in the work sector. No matter the industry that you may work in, more than likely technology is being used on a daily basis. While some people may have

Top 5 Search UX Design Guidelines for Improved Search Usability

Instead of browsing through a couple of hundred web pages, visitors rely on search feature to help them find a specific item. Regardless of how common this feature is, still many web owners fail to get the search feature right. Some place it at uncon

How to resolve "Unable to connect to the database" error?

There are few most common ways to fix database connection errors which are as given below. 1 Need to check Database details such as username or password which is exist in configuration.php is either incorrect or has been changed. 2 Compare databas

Creating a very basic module in OpenErp 6.1

Creating a module in OpenErp is very simple. All you need to know is the basic skeleton of any module to be used in the system. There are four major files that build up your module: 1.) init.py file 2.) openerp.py file 3.) mymodel.py file

How to delete rows from a JTable using swingworker?

Am trying to create an application that sends messages(SMS) to a list of people in the JTable and each time a message is sent to the recipient who is a row in the JTable i want that row to be deleted and i want the sending of the message to be done i

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