Invocation Sequence Of Grails Filters

Although In most of cases like doing something before each request grails provides the concept of interceptors with in a controller, but if we like to intercept request in more than one controller than grails another functionality comes into picture called Filters....

Binary confusion

In computer technology, we have become habitual of using kilobyte (KB) as 1024 bytes, megabyte (MB) as 1024*1024 (1,048,576) bytes. Most of us think that its correct, but it’s not. The International System of Units (SI) which defined the kilo, mega, giga,milli etc.)...

Return Object from grails taglib

I was having a use-case where I need to use grails taglib, In this taglib I have a tag from which I need to return a map but I struggling with that as grails taglib by default return’s StreamCharBuffer e.g class ObjectReturningTagLib { static namespace =...

Grails Export Plugin: Create file on server

How to create file on server using grails export plugin? Grails export plugin is used for export functionality. Its supports several formats e.g., Excel, PDF, CSV, XML, etc. Following is the simple code to download the file in PDF format using export plugin: class...

Jquery Validate Plugin

There are several ways to perform validation on html forms but nothing can beat the flexibility and easiness of jQuery’s validation plug-in. The advantage of using this plugin is that you don’t have to write the validation rules from the scratch(ofcourse, thats...