Regular Expression to Validate an Email Address

Regualr expression is a sequence of character which define a specific pattern and also named as abbreviated regex or regexp and sometimes called a rational expression. we can make regular expression like ( “/ABC/”  ,”Ab_123.Cd” ,”abc123.-@&”…)  They can be patterns or combination of alphabets(a,b..z) ,numbers(0,1…9), special character     ( |, (),^, ), Quantifiers(*, +, ?), wildcards(.) character set[], …

Bootstrap Modal

Bootstrap Modal is basically a pop-up box that is used to provide information and alert to the user. It is displayed on top of the current page. One of the multi-purpose lightweight JavaScript popup that is custom-built and responsive and can be used: to display alert popups, videos, and images in a website, to warn users …

PayPal Adaptive Payments for Marketplace in PHP

The PayPal Adaptive payments split payments to one or more than one receiver PayPal accounts. Using PayPal adaptive payment, we can make simple pay, parallel payments, and chained payments. What is Chained Payment..? Chained payment is part of PayPal Adaptive payments. Using chained payment sender can send a full amount of payment to primary receiver. …

PayPal IPN in PHP

PayPal Instant Notification (IPN) is a message service that allows you to integrate your PayPal payments with your website’s back-end operations and administrative function. Using this merchant will automatically notify events related to PayPal transactions. IPN is very useful when you need to required functionality like automatically fulfilling orders and providing customer, with order status. …

Paypal Recurring Payments for Installment Plan in PHP

Use PayPal Installment Plan button for installments based recurring payments. Using this buyer can pay, the full amount or pay an amount in installment, without any interest. In our previous blog post, we have discussed how we can use PayPal Subscription Button, Example for any service and product Subscription and PayPal Donate Button, Example for Any …

Android View Classes

In this tutorial I’ve given brief explanation about Andriod View Class. View Class are the basic building block for user interface components. A View occupies a 2-dimensional area (say: rectangle) on the screen, which is responsible for framing and handling different type of events. In our previous blog posts, we have learned Android installation steps and made first program …