Q1. How does Git differ from SVN? A1. #1. Git is a distributed source control system meaning that there will be multiple client repositories. … Read more ›...
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01: 13 Java low latency interview questions & answers
Have you seen job advertisements requiring Java candidates to work in low latency, high throughput, real-time and distributed systems with share-nothing architectures?
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01: 14 Unix must-know interview Q&As
Q1 How do you remove the Control-M characters from a file? A1 Using the sed command that replaces Control-M with nothing Note: The ^M is typed on the command line...
01: jvisualvm tutorial to sample Java heap memory
Java does not have a sizeof operator like C++ does. Java uses automatic memory management known as the Garbage Collection, hence it is not that important to evaluate size of...
01: Q13 “12 Rules” for REST API design & development
These are more like rules to develop RESTFul web services as opposed to being the best practices. REST is an architectural style without any contracts or specifications. So, it is...
02: 15 key considerations for low latency Java
Extends Writing low latency applications in Java interview Q&As. If the job description says “low latency” application, then be prepared. Even if “low latency” … Read more ›...
02: 5 Java multithreading scenarios interview
Java interview questions & answers on multithreading scenarios to judge your experience in building applications with concurrency in mind. Q1. Can you give some scenarios where you built concurrent systems?...
02: HTTP basics on headers, MIME types, & cookies for Java developers
Q1. What happens when you open up a browser and type a URL to request a Web page or RESTFul web service data? A1. HTTP is a stateless protocol on...
02: jvisualvm to detect memory leak – a quick tutorial style Java demo
This is a companion post to 8 Java Memory Management Interview Q&A demonstrating a memory leak scenario step by step with jvisualvm, which is a free profiling tool that gets...
03: Identifying and fixing NonUniqueObjectException in Hibernate
NonUniqueObjectException is thrown when there is an object already associated with the session with the same id (primary key) (i.e. a duplicate). It is important to understand the concept of a “detached”
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Latest posts by Arulkumaran Kumaraswamipillai (see all)
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