by Mridul Pandey | Mar 21, 2014 | Embedded
WHAT IS ELECTRICAL ENERGY ? Kinetic Energy of the generator or Chemical Energy of the cell is converted into Electrical Energy which flows through the circuit and is converted back into Light, Heat, and kinetic Energy. Energy flows from source to load. ELECTRICAL...
by Vivek Sadh | Mar 13, 2014 | Grails, Grails 2.3.0
In my current Grails project I am using PostgreSQL database so I just wanted to share the method to integrate PostgreSQL with Grails project. Step 1: Install PostgreSQL on Linux To install postgreSql use this command:- sudo apt-get install postgresql The default...
by Prabhat Singh | Mar 3, 2014 | Embedded
Basics Current transformers (CTs) are sensors used to measure alternating current. They are particularly useful for measuring whole building electricity consumption (or generation for that matter). Like any other transformer, a current transformer has a primary...
by Neeraj Bhatt | Mar 2, 2014 | jQuery
Working with Google Map and add marker and lines on Map. This tutorial is explaining how to start with Google Map. 1) First create a account on developer console and create project and generate public key. 2) Create a html page. <!DOCTYPE html> <html>...
by Neeraj Bhatt | Mar 2, 2014 | Grails
Handle JSON request in Grails In controller we get request parameters by using params. But whenever a JSON request comes on controller we can’t get its parameters on the params. To get JSON request parameters we have to use...
by Vivek Sadh | Feb 21, 2014 | Grails, GSP
In Grails we often use Grails Scaffolding Templates using defscaffold = true in our Controller which automatically creates CRUD operations. Scaffolding uses the templates for code generation which can be installed by this command:- grails install-templates The...
by Neeraj Bhatt | Feb 18, 2014 | Stripe
Easy steps for Stripe Integration with Grails. This blog will help you to integrate stripe in your grails application. Step 1) Create an account on Stripe. Step 2) Get your secretKey and publishableKey from the Stripe Account . and set the api key in Config.groovy...
by Vivek Sadh | Feb 10, 2014 | SEO
SEO stands for Search Engine Optimization. It is a technique which helps search engines find and rank your website higher than the millions of other sites in response to a search query. Improving website ranking is very important to get success in online business....
by Neeraj Bhatt | Feb 10, 2014 | Spring
Inject service inside the src classes Note: A service can be injected inside only those classes which are the Spring Beans. This blog for injecting the service inside the src/groovy classes. To inject the service we need to know about two spring Annotations 1)...
by Vivek Yadav | Feb 4, 2014 | Grails, GSP
I have worked on register a user with facebook via register plugin. I want to share my experience. Register plugin provide quick and easy solution for registration with your web application with facebook account. At first you need to get app secret key and id from...
by Prabhat Singh | Jan 31, 2014 | Embedded
Connect to a TCP server by using only a GSP/GPRS module. Hi friends! Embedded is just like to play with hardware, means fun. I am writing this post to share a very common method to connect to TCP server. Now start with hardware requirement. Hardware: We need a...
by Vivek Sadh | Jan 29, 2014 | Java
Hello friends! I am writing this post to share a very common security vulnerability that can be exploited by intruders. It is SQL Injection. What is SQL Injection ? SQL injection happens when you insert some content into a SQL query string, and the result modifies the...
by Prashant Gupta | Jan 28, 2014 | Hibernate, Java
Adding a map in hibernate is fairly easy. Map has key value pair and we’ll be adding a Map in the persistent class. Here’s the persistent class: public class Student { Long id; String firstName; String lastName; Map<String,String> images = new...
by Prashant Gupta | Jan 28, 2014 | Java
We’ll start by adding the maven dependency for selenium which contains most of the web-drivers and we’ll be using Firefox web driver for testing. <dependency> <groupId>org.seleniumhq.selenium</groupId>...
by Shruti Sagar | Jan 27, 2014 | GIT
We will be discussing about the git and github account in this blog Git is basically a tool used for the version controlling of the documents. By version controlling we mean that we are maintaining the file where we can monitor all the changes made to it.We can also...
by Rajesh Ranjan | Jan 20, 2014 | Grails
From today I am going to give basic concept on automated functional testing using Geb and Selenium.Today I am going to explain Selenium concept and in next session I will explain Geb and how to use Selenium in Geb. First-of-all be clear that Selenium and Geb are used...
by Rajesh Ranjan | Jan 20, 2014 | Grails
Today I am going to explain some basic concept of Spock integration testing without redirected view. Here I am going to check returning model from action and how to test action when it is returning model? class CreateAppController { def addDetail() { def playList = []...
by Shruti Sagar | Jan 13, 2014 | MongoDB
– Mongodb is basically a database system that is document oriented and Nosql type. -Typically we call a table as a collection and a record as a document as oppose to tables and rows in RDBMS. -One of its advantage is that it does not restrict a us to a structure...
by Bhaskar Kandiyal | Jan 13, 2014 | MongoDB
MongoDB is a NoSQL database that is cross platform and is a document-based system. It can be easily installed in an Ubuntu server from the command-line. In Ubuntu 12.04 LTS repositories it’s current version is 2.0.4. To install it in Debian / Ubuntu, open up a...
by Vivek Sadh | Jan 13, 2014 | MongoDB
Hello guys, This is my first post on this blog. In this post i am going to explain how to interact with MongoDB using Java.First we need to install MongoDB using apt-get command in Ubuntu. Once we have installed MongoDB, we need a MongoDB jar file(Driver) which we...
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