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    Gradle – Installation on windows and Unix

    Gradle – Installation on windows and Unix

    GRADLE Gradle is another build automation tool like other tools Ant, Maven etc., Gradle can automate the building, testing, publishing, deployment and more of software packages or other types of projects such as generated static websites, generated documentation or indeed anything else. Gradle combines the power and flexibility of Ant with the dependency management and conventions of Maven into a more effective way to build. Powered by a Groovy DSL and …

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    Gradle – Installation on windows and Unix

    Gradle – Installation on windows and Unix

    GRADLE Gradle is another build automation tool like other tools Ant, Maven etc., Gradle can automate the building, testing, publishing, deployment and more of software packages or other types of projects such as generated static websites, generated documentation or indeed anything else. Gradle combines the power and flexibility of Ant with the dependency management and conventions of Maven into a more effective way to build. Powered by a Groovy DSL and …


    How To Check Your Disk space on Ubuntu

    How To Check Your Disk space on Ubuntu

    LINUX/UNIX This post highlights simple steps to check disk space utilization on Ubuntu operating system. There is a simple command, using that through Linux Ubuntu shell or we can open-up user interface application with charts for more clarity. Here are the two commands for how to do it. Now let’s open the terminal window and type the following command. 1. $ df  -h $df -h If we want to see more details, …


    How do I configure Maven for a user rather than globally?

    How do I configure Maven for a user rather than globally?

    MAVEN Maven global settings for all users are configured using settings.xml file which will come along with maven distribution, will reside in conf directory of maven. To set settings for an individual user on your PC, you can make a copy of settings.xml file into .m2 directory of user home directory. This file will now hold settings specific to user. The settings.xml comes with useful comments so that you can configure …


    Importance of Hibernate ORM over JDBC

    Importance of Hibernate ORM over JDBC

    FRAMEWORKS Hibernate created by Gavin King, known as the best and dominated object/relational persistence (ORM) tool for Java developers. It provides elegant and innovative ways to simplify the relational database handling task in Java. Hibernate is great at a lot of things, but its something that needs to be used appropriately. High Level Architecture of Hibernate 1.Dealing with Objects Hibernate is an ORM (Object Relational Mapping) tool. It is used to …


    HDFS – File System implementations in HDFS Java API

    HDFS – File System implementations in HDFS Java API

    FRAMEWORKS As discussed in previous post, HDFS files in Hadoop can be accessed in many ways. One of such way of accessing HDFS files is through HDFS’s Java API as entire Hadoop is written in Java after all. org.apache.hadoop.fs.FileSystem File system is an abstract class in Hadoop, serves as a generic file system representation. Note that it’s a class and not an interface. Other concrete classes implement from this class. It …


    Cognizant’s Combined Campus Freshers Recruitment Drive

    Cognizant’s Combined Campus Freshers Recruitment Drive

    JOBS Cognizant’s Combined Campus Freshers Recruitment Drive Eligibility Criteria for IT : * Open only to the students with following degrees BE/ B.Tech / ME/ M.Tech / MCA/ M.Sc (Computer Science/ IT/ Software Engg) * Year of graduation: 2011 batch only * Consistent First Class (over 60%) in X, XII, UG and PG (if applicable) * No outstanding arrears * Candidates with degrees through correspondence/ part-time courses are not eligible to …

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    Grab any Technology book from Packt publishing for 10$

    Grab any Technology book from Packt publishing for 10$

    OTHERS Packt publishing, a well known book publisher, celebrating their 10th anniversary,on the occasion of this Packt offering all of it’s books for just 10$ and you can stock up as many copies as you can. You can choose over 2000+ titles that you can find the knowledge that you really need. You have interesting titles under various categories of technologies such as Big Data and Cloud, Web Development, Game Development …


    Parentheses balancing Algorithm with recursion in Scala

    Parentheses balancing Algorithm with recursion in Scala

    ALGORITHMIC DESIGN If you are writing compilers for any language, it’s common practice to parse text and check for parsing errors. One of such task is Parentheses balancing. Now we can look at simple Algorithm for Parentheses balancing with recursion as an Algorithmic design. 1.Algorithm for Parentheses balancing Recursively checks if string contains matching amount of opening and closing parentheses by calling  isBalanced()  on the string without first element. Expectancy of parentheses in …


    Hadoop – Modes of accessing HDFS

    Hadoop – Modes of accessing HDFS

    FRAMEWORKS You can access Hadoop Distributed File System in 2 different ways. Direct Access Proxy based Access Direct Access can be through .. Interactive Unix Shell commands Through Java and C++ APIs, clients retrieve metadata such as blocks locations from Namenode. Client directly access datanodes. HDFS accessing  through API is used in Map Reduce jobs. Proxy Based Access through… Clients communicated through a Proxy and it is strives to be language …


    HDFS – Hadoop Distributed File System distilled

    HDFS – Hadoop Distributed File System distilled

    FRAMEWORKS Like any other filesystem, Hadoop has got it’s own filesystem, Hadoop Distributed File System to deal with distributed parallel computing. It appears as a single disk in computer system and runs on top of other filesystems such as Ext3, Ext4, XFS. Hadoop Distributed File System is based Google’s File System, GFS Features of HDFS Fault Tolerant – Can handle disk crashes, node crashes etc., Distributed – Data is distributed across …


    Listing attributes of a bean with Java Bean’s introspection API

    Listing attributes of a bean with Java Bean’s introspection API

    JAVA Sometimes it is required to list entire attributes of a bean. They are usually fields of a bean with setters and getters. but this isn’t a requirement to list the attributes of a bean using Java Bean’s Introspection API. Setters and getters define the attributes of a bean and not actual attributes. The mapping utilities use Java Bean’s Introspection API to list attributes of bean using setters and getters. Here …


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