by Aman Goel | Jul 23, 2014 | Hibernate, JPA
Inheritance is one of the biggest mismatch between object oriented model and relational model(SQL based models) because object oriented paradigm supports both Is a(Inheritance) and Has a(Association) relationship. But relational models support only Has a relationship...
by Vivek Sadh | Jul 12, 2014 | Hibernate
Hi Guys! I am back with a new blog post titled “Filtering Records using Hibernate Criteria”. I often use Hibernate Criteria in my project whenever a new entity is added and I need to implement certain filters on it. The Hibernate Session provides...
by Vivek Sadh | Jul 8, 2014 | GIT
Hi. I am back with a new blog post on some Useful Git commands. Recently I pulled the latest code of a branch and due to some bad commit I was not able to use certain feature. So, I needed a way to rollback to some previous version(commit) i.e. the point when the code...
by Manish Bharti | Jul 5, 2014 | GORM, Grails, Grails 2.3.0, Groovy
Reduce size of hasMany property of type String Grails follows MVC(Model View Controller) design pattern and domain classes fulfills the M in MVC. Each domain class mapped with a table in the database, i.e., a domain class represents a table in the database. hasMany...
by Amit Pandey | Jul 4, 2014 | SSH
Some times we need to manage more than one ssh key. There may be many scenario like you are having more than 2 github account or you have an account and your client want to add your ssh key to their github account. In past I faced same kind of issue and found...
by Amit Pandey | Jul 4, 2014 | GIT
In my previous project repository was hosted on github.com and application was supposed to deployed on heroku which was also provide a git repository. Every time I had to push code on main repository and after that same changes need to pushed on heroku git repo. I...
by Mridul Pandey | Jul 4, 2014 | Embedded
Lithium-ion battery management Hi everyone, this blog is about the battery management circuit of a typical Lithium-ion battery. If you want to make a simple Lithium-ion battery charger or a handy wireless stuff with charging enabled, you can use this very simple...
by Mukesh Pant | Jul 3, 2014 | Linux
Purpose of this blog, if you want to install .exes file in Ubuntu that is possible via wine. Run this command and Install this application: sudo apt-get install wine How to install Application: Right click any .exe file Open with Wine Window Program How to uninstall...
by Tinku Saini | Jun 30, 2014 | Grails, Grails 2.3.0
Hello, Friends In this blog I want to explain how to solve the problem of browser session loosing while you run more than one test in a testClass. When I was working on an application, I found that each test create a new browser session. But there is a problem that...
by Prashant Gupta | Jun 29, 2014 | Grails, Spock, Testing
We often face a scenario where we have to run the same piece of test code over and over with different data. Spock’s data-driven testing is the answer for it. Let’s take a very common scenario of testing an action that creates the User record. This action...
by Manish Bharti | Jun 29, 2014 | GIT
Synchronize local GIT with remote deleted branches Branching is very useful and important feature of any version control system, specially when many developers are working on a single project. Github is one of the popular version control system. In this blog I am...
by Mukesh Pant | Jun 26, 2014 | Node.js
Hello Everyone! This is my First blog post on Functional Testing For Node.js Using Mocha and Zombie. I was Doing Functional Testing using mocha with zombie. it was too fast for functional testing because Zombie.js is a lightweight framework for testing client-side...
by Prabhat Singh | Jun 26, 2014 | Embedded
Introduction: Recently, I stumbled upon a scenario where I had to write Nano130’s SPI driver code for ADE7753 while I already had written this with NUC200. You can go through my previous blog to compare this blog with previous one and you will find out how stuffs...
by Prabhat Singh | Jun 26, 2014 | Embedded
Introduction: Recently, I stumbled upon a scenario where I had to write Nano130’s SPI driver code for ADE7753 while I already had written this with NUC200. You can go through my previous blog to compare this blog with previous one and you will find out how stuffs...
by Vivek Sadh | Jun 26, 2014 | Hibernate, Java
Hello! I am back with a new Blog Post.The title is “Validating Objects using Hibernate Validator Annotations”. I was recently working on a task in which I had to remove the manual validation and use hibernate validation(using annotations) on certain...
by Prashant Gupta | Jun 25, 2014 | Grails, Spock, Testing
Recently, I had to write the Integration test cases for a controller and I had extended my test Spec with IntegrationSpec. While writing the test case for action that renders a template with model I came to know that there’s no straight and simple way to test...
by Gaurav Chauhan | Jun 25, 2014 | Linux
Whenever i configure a new server i usually end up searching for this problem. How to redirect apache to tomcat ? There are various solutions out there but for now i am going to talk to about the easy one. Here are the steps : Assumption : It is assumed that you have...
by Prashant Gupta | Jun 22, 2014 | Grails, spring-security
Recently, I stumbled upon a scenario where I had to map the roles from legacy database to spring security’s InterceptUrlMap and they did not have the ROLE_ prefix to them. I faced the following error: Field or property 'ADMIN' cannot be found on object of type...
by Prashant Gupta | Jun 22, 2014 | Grails, spring-security
While creating a new application from scratch it’s a good idea to centralize the security mapping for your application to a single place. By security mapping we mean the functionality to secure your application URL’s against the unwanted access. In Grails,...
by Manish Bharti | Jun 22, 2014 | Grails, Grails 2.3.0, Hibernate
Hello there, I am again with you to share a solution of a problem that I have faced in a project and I solve that problem using hibernate MEMBER OF operator. Requirement is simple, I have a Post domain which has many users: class Post { String content static hasMany =...
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