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Install and Working With NodeJS on Windows PC and OpenShift

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Node.js is a platform built on Chrome’s JavaScript runtime for easily building fast, scalable network applications. Node.js uses an event-driven, non-blocking I/O model that makes it light weight and efficient, perfect for data-intensive real-time applications that run across distributed devices.
 
We can write Server Side and Client Side application in same language as famous Java Script is enough for that.
 
NodeJS can run own HTTP server with any custom port and can directly communicate with client application with Server Host and Port. So that NodeJS can create custom Socket and can communicate with client app using the Socket.
 
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Paypal One Time and Recurring Payment using Web Form and IPN

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Paypal have various type of payment integration methods. They support Simple Button, HTML Form, API as payment integration methods. Merchant can chose how buyer can pay from Merchant site or via Paypal Site. NVP, SOAP etc supported protocols for Paypal API.
 
Here we will understand how can build a payment system with HTML Form, Fields and IPN. This method categorized under Paypal Website Payments Standard. After selection of product/quantity/amount buyer will be redirected to Paypal page and they can pay with Credit Card or via Paypal account, after successful payment they will again back to merchant site and can see Thank You Page. Here we will understand One Time and Recurring both type of payment methods. Continue reading

CURL and Real Time Implementations with PHP Applications

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Modern PHP applications mostly depended on CURL, as we can do lots of thing with CURL. Mostly use of CURL is, creating communication gateway between different domains. With CURL we can grab any Web Page, can upload file with remote call to other webpage, can access FTP server with credential, we can parse data from one URL to another URL and many other uses are associated with CURL. PHP supports libcurl as native library.
 
It allows connecting and communicating with many different types of servers with many different types of protocols. libcurl currently supports the http, https, ftp, gopher, telnet, dict, file, and ldap protocols. Current version also supports HTTPS certificates, HTTP POST, HTTP PUT, FTP uploading, HTTP form based upload, proxies, cookies, and user authentication. Continue reading

SignIn with Facebook Implementation using Facebook Connect

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Right now Facebook is the most popular website in the world. As part of there social web service they already declared a service called Facebook Connect. With this service we can authenticate user with there FB account and can get some information of particular user, as a result we can authenticate a user with his/her FB account and sign into our websites. Other famous services of FB is build custom Facebook Page, Aplication, Games etc.
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Third Party Sign In with Google and Yahoo Account via OpenID

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We may already informed about OpenID sign in process. Here we can understand how user can sign in to our websites with Google/Yahoo account via OpenID authorization process. Right Now OpenID is the best choice to sign in various websites with other website accounts.
 
Google and Yahoo also provide us OpenID authorization service that can help us to authenticate Google/Yahoo user from there site and call back to our sites with some user information along with unique identifier of the particular user. In this application we used a third-party OpenID class as this is very conceptual over the net. Continue reading