Captcha is the best way to avoid spamming your SignUp, Comments, Email and many other things that takes user input. What is Captcha? It is a simple text combination of some uppercase and lowercase letters with some numbers generated randomly with some special kind of text type font. It is mainly used for Human Verification whether the user is human or any computer script. In this tutorial we will teach you how to make your own captcha system with the help of PHP and Ajax.
Best jQuery Forms Plugins & Tutorials with Demo
Cloudinary jQuery Plugin with File Upload
Cloudinary is a cloud-based service that provides an end-to-end image management solution including uploads, storage, manipulations, optimizations and delivery.
Easily upload images to the cloud. Automatically perform smart image resizing, cropping and conversion without installing any complex software. Integrate Facebook or Twitter profile image extraction in a snap, in any dimension and style to match your website’s graphics requirements. Images are seamlessly delivered through a fast CDN, and much much more.
Preview Image before upload it with jQuery & HTML5
Here this article explains how to preview an image before uploading on the server side in jQuery. Let’s suppose you have an application where the user uploads bulk photo and then the users want to upload only some selected photo, in this case, we as a developer don’t want to upload all images photos on the server. As this effect on server load cost effect etc.
So using HTML 5 FileReader() we can able to preview the image before upload it in jQuery.
