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Java Design Patterns

Java / By

Common design problems faced by seasoned and experienced developers helped in the creation of ‘Design Patterns’. One can reuse patterns across multiple applications.  There are three types of design patterns which are Creational, Structural and Behavioral patterns. There is also fourth design pattern which is the J2EE design pattern and which is the basis of our post. We will discuss the Model-View-Controller, Front Controller and Intercepting Filter which are all part of the Web Component developer exam.   Model-View-Controller: Model-View-Controller is the most popular design pattern. It has been around since the beginning of object oriented times. This design pattern […]

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Webinar recording on Agile Servant Leadership

Webinar / By

Want to know how to make leap from project manager to servant project leader. This presentation reviews the idea of servant leadership within the context of well-known leadership concepts and methods to solve problems that project leaders face on a day to day basis. It is more than simply removing impediments or driving tasks to completion, but rather managing and embracing the tension of simultaneously being a leader and servant, task master and coach, and mentor and mentee depending on the situation. Key takeaways: 1. Managing vs. Leading: why leading is not managing and the key differences 2. Making the

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MongoDB: The Benefits of Hiring Top Remote DBA Experts

News & Updates / By

NoSQL solutions like MongoDB are gaining popularity over traditional table-based relational database management systems (RDBMS) like MySQL. The greatest benefits of NoSQL over RDBMS are: With RDBMS, you need a string in the query language (SQL or Structured Query Language) parsed by the DB system. This is dangerous as it exposes your database to SQL injection attacks. NoSQL, on the other hand, is object-oriented, meaning you pass a document with an explanation of what you are querying. There is no parsing. You will not be responsible for defining the schema when using NoSQL like MongoDB. You only need to drop

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Webinar recording on Top Ten Reasons for a Project Failure

Webinar / By

Want to know why even after putting up so much of effort, projects do not fare well. See the Top Ten Reasons for a Project Failure and learn to take preventive measures at an early stage to make your project successful. See the webinar recording to get all these questions answered. Have a look at Webinar led by Jim Stewart, PMP, JPStewart Associates Learn more about PMP at Whizlabs

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Data warehousing concepts

News & Updates / By

Long before Hadoop and Big Data made a big splash on the IT stage, the necessity for “Data warehouses” was growing in the business world. There was disparate data on Excel sheets, flat files, data bases and there was no single understanding of this data. We have seen all this and more in our previous blog post. “Data warehouses” were created and a well designed data warehouse comprised of cleaned data from different sources that enables an organization to make critical business decisions.  We dig deeper into Data warehousing by discussing the Father of Data warehousing followed by the different

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Data Warehouses

Java / By

Data warehousing was a powerful field of study in the 1990s as the business requirements changed from transaction processing to analyzing the data. This post seeks to discuss the concepts behind Data warehousing along with the purpose of Data warehousing. From the days of data bases to Big Data analytics – we have come a long way. The very concept of storing data and querying it was refreshingly new in the 90’s. Times changed and Data warehousing necessities and concepts pierced the IT landscape. What is a Data warehouse? “Data” that is stored on different systems like CRM, ERP, flat

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Java Collections Framework

Java / By

The Java Collections framework has reduced the cumbersome work of actually creating data structures like List, Set, Map. The basic idea behind Collections is that they are used to add, delete, search, sort and iterate over objects. This post will seek to explain the Java Collections framework. Is it “Collection” or “Collections”? At the outset, the word “Collection” in Java might be misunderstood for other terms. It is always important to note if it is ‘Collection’ or ‘Collections’. We have ‘java.util.Collection’ which is an interface and which is our primary point of discussion in this post. We also have’java.util.Collections’ which

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Whizlabs Announces Six Sigma Black Belt Online Course

News & Updates, Six Sigma / By

With carrying over 14 years of experience in the Technology and Project Management fraternity, Whizlabs is a renowned global leader that offers online courses and certification programmes to more than 2 million users till now. The mission statement of Whizlabs clearly states: ‘To get everyone certified nobody left out’. Since its existence from over a decade and a half ago, every possible effort is being made to offer certification programme in several domains viz. Oracle Java, Project Management, Big Data and Apache Hadoop Online Course along with Six Sigma certifications. Amongst the aforesaid, Whizlabs has launched a certification programme in

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Supply Chain management

Project Management / By

Imagine a scenario where you went to your local retail store or online store and discovered that the latest electronic gadget or the latest book that you were so eagerly waiting to purchase was “not in stock”! The immediate reaction will be to check other retail stores or simply move to other online portals. To avoid this and lose potential customers an effective supply chain strategy is needed.  The main components of a ‘Supply chain management’, what it is, the necessity to have a SCM in place and SCM analytics will be the focus of this post. What is Supply

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