How to watermark images using php GD library

watermark images using php - featured image

Last updated:7th October, 2017How to watermark images using php PHP GD library has very cool features to manipulate images. Images can be resized, cropped, rotated or watermarked. In several web applications you need to add dynamic images or add a watermark to images.  In a previous tutorial we explored how to manipulate images using gd library and watermark images with codeigniter. This …

Read More »

How to generate CSV using nodejs and mongodb with mongoose

featured image - generate csv using nodejs mongodb

Last updated:14th August, 2018Generate CSV using nodejs In modern web applications you can save and export data in different formats like pdf or xml. Exporting data in web applications in CSV or Comma Separated Values format is a popular technique used by web developers now a days. In this tutorial you are going to learn how to generate CSV using nodejs and mongodb. …

Read More »

How to create a nodejs mongodb rest api and test with postman

nodejs_mongo rest api featured image

Last updated:13th August, 2018Nodejs mongodb rest api Representational State Transfer or RESTful web services are based on REST architecture. Using RESTful web services, clients can access resources on a server. Previously restful web services in codeigniter, and  SOAP based web services in php were discussed in detail. In this tutorial you are going to learn how to create a nodejs mongodb rest …

Read More »

using socketio with nodejs – create a chat application

Last updated:27th August, 2018Using socketio with nodejs Real time communication is an important feature in today’s web applications. Different technologies like long polling and socket.io are used for this purpose. Socket.io makes real time communication very easy and efficient. Socket.io can perform two way data communication. This tutorial gives you a detailed insight on using socketio with nodejs and creating …

Read More »

How to generate pdf using nodejs, express and mysql with pdfkit

Last updated:15th August, 2018Generate pdf using nodejs In dynamic web applications developers often need to export data in pdf, csv, rss or xml formats. NodeJS have many libraries and modules that are used to produce such kind of output. A previous tutorial explored how to zip and unzip files using nodejs. In this tutorial you are going to learn how to generate …

Read More »