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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 …

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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 …


    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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    Pascal triangle in scala

    Pascal triangle in scala

    ALGORITHMIC DESIGN To start with any new programming language and for understanding the language fundamentals we will try to execute some Hello world programs and mathematical puzzles to ensure our fundamental understanding of language concepts. I’m just started learning a new programming language Scala, a modern JVM based language with both functional and object oriented paradigms and I have written a program to print pascal triangle using recursion in scala. In mathematics, …


    Ecosystem of Hadoop Animal Zoo

    Ecosystem of Hadoop Animal Zoo

    FRAMEWORKS Hadoop is best known for Map Reduce and it’s Distributed File System (HDFS). Recently other productivity tools developed on top of these will form a complete Ecosystem of Hadoop. Most of the projects are hosted under Apache Software Foundation. Hadoop Ecosystem projects are listed below. Hadoop Common A set of components and interfaces for Distributed File System and I/O (serialization, Java RPC, Persistent data structures) http://hadoop.apache.org/ Hadoop EcoSystem HDFS A …


    Optimizing Hadoop for Map Reduce -Book review

    Optimizing Hadoop for Map Reduce -Book review

    FRAMEWORKS Big Data is a buzz word in the current market and Hadoop is the related term that is too much talked about when it comes to Big Data solutions. I was requested to review a book on “Optimizing Hadoop for Map Reduce” written by Khaled Tannir published with packt publishing. I spent some time in reading this book. Not so many books you could find on hadoop other than well …


    A quick timeline of Hadoop research

    A quick timeline of Hadoop research

    FRAMEWORKS Hadoop for the research users, a quick time-line of how things have been progressed right from the year 2004 to till date. 2004: Initial versions of what is now HDFS (Hadoop Distributed File System) and MapReduce implemented by Doug Cutting and Mike Cafarella. December, 2005: Nutch an open source search engine implementation from Apache, ported to the new framework Hadoop, runs reliably on 20 nodes. January, 2006: Doug Cutting joins …


    HTML5, Twitter Bootstrap and JQuery starter web template

    HTML5, Twitter Bootstrap and JQuery starter web template

    HTML/JAVASCRIPT If you want to design a responsive website and looking for getting started template, then here is the one for you with HTML5, Twitter bootstrap and JQuery. Twitter bootstrap is a sleek, intuitive and powerful framework that allows faster and easier web development. With Initializr you can select from among different UI frameworks such as JQuery, Twitter Bootstrap and HTML5 to make up your getting started web template.     …


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