Career Development Resources

An Interview Question on Spring Singletons

Spring Singletons are not Java Singletons. Let's go over the important differences between them and how Spring singletons interact within containers.

February 20, 2017

by Shaamik Mitraa

· 164,978 Views · 73 Likes

Mocking the Unmockable: The Mockito2 Way

Mockito2 has made improvements over its predecessor, including the ability to mock final classes. Its new opt-in feature lets you take mockery to a new level.

February 3, 2017

by Saral Khare

· 23,274 Views · 1 Like

Project Management Methodology: A Beginner's Guide

Using a specific methodology can help a Project Manager steer a project in the right direction and work in a structured manner.

January 26, 2017

by Atif Qureshi

· 11,765 Views · 17 Likes

Dan Bricklin: The Inventor of the Electronic Spreadsheet [Video]

Steve Jobs once told an interviewer that “if VisiCalc had been developed for another computer, you’d be interviewing somebody else.”

January 21, 2017

by Amy Groden-Morrison

· 5,103 Views · 3 Likes

Working With REST in Oracle JET

In the final article to his comprehensive series on learning Oracle JET, Chris Muir goes over the Oracle JET Common Model & Collection API, a client-side JavaScript API for accessing remote REST web services and plugging them into our JET UI components.

January 19, 2017

by Chris Muir

· 28,174 Views · 4 Likes

Top 5 Reasons for CI Failure

Using a poor-quality server wastes everyone's time because the build takes too long to finish, resulting in intermittent test results and frustrated engineers.

January 18, 2017

by Shashikant Jagtap

· 31,193 Views · 2 Likes

Running MongoDB Aggregations on Secondaries

Shifting aggregation to a secondary, such as with batch operations, can save your primaries for more pressing, time-sensitive matters.

January 1, 2017

by Vaibhaw Pandey

· 10,788 Views · 2 Likes

Using 5S Lean Methodology to Create an Agile Workplace

In today’s world, software teams need to work as agile because of the competitive marketplace. Adopting the 5S methodology can help achieve this.

December 29, 2016

by Serdar Mustaoglu

· 21,986 Views · 17 Likes

Configuring Memory for MapReduce Running on YARN

There are times when a MapReduce job exceeds its memory limits. This article presents an overview of how YARN monitors the memory for containers and provides the technique to fix this issue.

December 23, 2016

by Alex Holmes

· 62,742 Views · 2 Likes

Moving Cron Jobs to Jenkins

There are both advantages and disadvantages that come with moving some of your cron jobs to Jenkins.

December 22, 2016

by Thomas Kurian Theakanath

· 28,434 Views · 4 Likes

6 Frequently Asked Hadoop Interview Questions and Answers

Prepping for your upcoming interview? Unsure about what Hadoop knowledge to take with you? Here are 6 frequently asked Hadoop interview questions and the answers you should be giving.

December 11, 2016

by Arul Kumaran

· 34,391 Views · 15 Likes

4 Easy Steps to Transition a Project to a New Project Manager

The realities of business aren’t always clean. Regardless, these four steps are sure to help you transition a project to a new project manager.

November 17, 2016

by Denise O'Berry

· 16,655 Views · 3 Likes

How to Design With Conway’s Law in Mind

Gene Kim explains Conway's Law, how to evaluate organizational archetypes, and how to develop the necessary habits to facilitate these structures.

November 16, 2016

by Gene Kim

· 10,989 Views · 3 Likes

Discussing Execute(SQL) At LinkedServer

Dealing with remote severs and heterogeneous data sources? See how you can link your servers and execute your SQL on them.

November 14, 2016

by Prashanth Jayaram

· 8,667 Views

Using YARN API to Determine Resources Available for Spark Application Submission: Part II

Using the YARN REST API for submitting Spark applications and determining available resources. Applies to all Apache Hadoop distributions.

November 7, 2016

by Rachel Warren

· 5,108 Views · 2 Likes

Passwordless SSH Access for Automation

DevOps engineers are often responsible for configuring passwordless access to remote machines. Read on for a couple of strategies for doing this.

November 7, 2016

by Thomas Kurian Theakanath

· 21,595 Views · 3 Likes

Review: ''Fifty Quick Ideas to Improve Your User Stories''

''Fifty Quick Ideas to Improve Your User Stories'' by Gojko Adzic and David Evans provides solutions to many issues involving Agile projects. Victor Chircu reviews here.

November 4, 2016

by Victor Chircu

· 7,207 Views · 5 Likes