What is a hybrid Agile Approach? Is there such a thing? I recently came across an article on the Internet that was posted in several places entitled “The Moment of truth: There Is No Hybrid Agile“. This article is so full of stereotypes and misconceptions about “Agile” and “Waterfall” that I felt that I had […]

Top list of Eclipse shortcuts used frequently

Top list of Eclipse shortcuts used frequently : Here is the list of top chosen shortcuts which I feel are most useful for both core Java developer and Java web application developer using Eclipse IDE for web development. General Eclipse shortcuts :   Ctrl + 1 for quick fix – it can fix up any error […]

How to install Eclipse on Ubuntu studio

Install Eclipse on Ubuntu studio To install Eclipse JEE Kepler on Ubuntu 16.04 You can just download the tar.gz file from eclipse.org. Download Eclipse. I got eclipse-jee-juno-SR1-linux-gtk.tar.gz Extract it by executing a command line tar -xzf eclipse-jee-juno-SR1-linux-gtk.tar.gz Or with Archive Manager extraction. Move extracted eclipse folder to /opt/ folder mv eclipse /opt/ sudo chown -R […]

Linux commands to collect system hardware info

Linux commands to collect system hardware info- Top useful commands that can help you to extract information about your Linux system and hardware components. 1. How to View Linux System Information To know only system name, you can use uname command without any switch will print system information or uname -s command will print the […]

Relational Vs Non-Relational databases

For the past few years NoSQL or Non-relational database tools have gained much popular in terms of storing huge amount of data and scaling them easily. There are debates on whether non-relational databases will replace relational databases in future. With the increasing number of social data and other unstructured data, the following are some of […]

DOS and UNIX/BASH Command Comparison

Often we end up “google”-ing the most silliest commands. Because its tough and rather impossible/unimportant to keep track of all weird commands. Trust me today I ended up being silly and here is one time solution I thought of and picked commonly used commands that correspond to both DOS as well as UNIX/BASH users. I picked some […]

Hibernate hql internal ast QuerySyntaxException

org.springframework.web.util.NestedServletException: Request processing failed; nested exception is org.hibernate.hql.internal.ast.QuerySyntaxException: User is not mapped [from User] The above run-time exception is thrown when the servlet config file is not configured correctly Check for the below configuration snippet in your applicationContext.xml file <bean id=”sessionFactory” class=”org.springframework.orm.hibernate4.LocalSessionFactoryBean”> <property name=”dataSource” ref=”dataSource” /> // only the property “annotatedClasses” of the class LocalSessionFactoryBean […]