What is Jacoco and How it works? An Overview and Its Use Cases

What is Jacoco? JaCoCo is an open-source toolkit for measuring code coverage in a code base and reporting it via visual reports. It is quite popular among…

Read More

What is Junit and How it works? An Overview and Its Use Cases

History & Origin of Junit JUnit was born on a flight from Zurich to Atlanta in 1997 for OOPSLA. Kent Erich was flying with Gamma, and what…

Read More

What is Selendroid and How it works? An Overview and Its Use Cases

History & Origin of Selendroid The Selenium is a collection of different tools and has contributions from different notable people. The long history of the selenium project…

Read More

What is Testlink and How it works? An Overview and Its Use Cases

History & Origin of Testlink TestLink was created by Chad Rosen, a software developer for Good Technology in the early 2000s. Rosen came up with the idea…

Read More

What is TeamCity and How it works? An Overview and Its Use Cases

History & Origin of TeamCity TeamCity is a build management and continuous integration server from JetBrains. It was first released on October 2, 2006, and is commercial…

Read More

Top 50 Pagerduty Interview Questions & Answer

1) If you were asked to review a colleague’s code that they had written, what key things would you look for? For this question, your interviewer will…

Read More

What is Jenkins and How does it work? An Overview and Its Use Cases

History & Origin of Jenkins The Jenkins project was started in 2004 (originally called Hudson) by Kohsuke Kawaguchi, while he worked for Sun Microsystems. Kohsuke was a…

Read More

Top 50 Slack Interview Questions & Answer

1) A huge part of our business here at Slack is designing software for iOS. In this role, how would you steer away from retain cycles when…

Read More

Top 50 Postfix Interview Questions & Answer

1) What Is Postfix And Default Port Used For Postfix ? Postfix is a open source MTA (Mail Transfer agent) which is used to route & deliver…

Read More

What is ClickHouse?

Clickhouse is an open-source columnar-oriented Database Management System (DBMS) used for online analytical processing (OLAP) created by Yandex. Currently, it powers the second largest web analytics platform,…

Read More

Top 50 Exim Interview Questions & Answer

1) You are not given the tools you need to be successful. How would you change that In Exim? State a business case to your manager /…

Read More

Top 50 Kafka Interview Questions & Answer

1) What is Apache Kafka? Apache Kafka is a publish-subscribe open source message broker application. This messaging application was coded in “Scala”. Basically, this project was started…

Read More

What is Cassandra?

Apache Cassandra is an open source non-relational, or NoSQL, a database that enables continuous availability, tremendous scale, and data distribution across multiple data centers and cloud availability…

Read More

What is BigQuery?

Nowadays, the age of tech big Data information is continuously increasing in volume and variety. This is the information that companies would like to quickly explore to…

Read More

Top 50 RabbitMQ Interview Questions & Answer

1) What is RabbitMQ? RabbitMQ is an open-source message-broker software is also known as message queueing technology. It defines queues to which applications communicate for data transfer,…

Read More

Top 50 haproxy Interview Questions & Answer

1) Is HAProxy a load balancer? HAProxy (High Availability Proxy) is open source proxy and load balancing server software. It provides high availability at the network (TCP)…

Read More

Top 50 Ambassador Interview Questions & Answer

1) What is the ambassador program? An ambassador program is a standardized process companies create to find, recruit, manage, pay, and track brand ambassadors. Having a well-defined…

Read More

Top 50 traefik Interview Questions & Answer

1) What is Traefik software? Traefik (pronounced traffic) is a modern HTTP reverse proxy and load balancer that makes deploying microservices easy. Traefik integrates with your existing…

Read More

Top 50 linkerd Interview Questions & Answer

1) Who owns Linkerd? the Cloud Native Computing FoundationLinkerd is hosted by the Cloud Native Computing Foundation (CNCF). The CNCF owns the trademark; the copyright is held…

Read More

What is Azure SQL?

Azure SQL is Microsoft’s cloud database service. Based on SQL Server database technology and built on Microsoft’s Windows Azure cloud computing platform, SQL Azure enables organizations to…

Read More

What is ArangoDB?

ArangoDB is an open-source multi-model NoSQL database with a flexible data model for documents and graphs. It is designed as a “general purpose database,” offering all the…

Read More

What is Apache Kudu?

Apache Kudu is a free and open source columnar storage system developed for the Apache Hadoop. It is an engine intended for structured data that supports low-latency…

Read More

What is Apache Druid?

Apache Druid is among the most popular open-source Apache Druid is a real-time analytics database designed for fast slice-and-dice analytics (OLAP). As pre-existing open-source databases like Relational…

Read More

Best & Most Popular 5 Code Editors for Python programming

History of Python Python is a high-level, interpreted, interactive and object-oriented scripting language. Python is designed to be highly readable. Python consistently ranks as one of the…

Read More

What is Ajax and How it works? An Overview and Its Use Cases

What is Ajax? AJAX stands for Asynchronous JavaScript and XML.It is the use of the  XMLHttpRequest object to communicate with servers. The Ajax was publicly used on 18 February 2005 by Jesse James…

Read More

Best & Most Popular 5 Code Editors for HTML/CSS programming

What is Code Editor ? Code Editor is one of the essential tools for programmers, designers, and even writers. Integrated Development Environments (IDEs) are often cumbersome for…

Read More

Top 50 Consul interview questions and answers

1) What Is Checkpoint? / Does Consul Call Home? Consul makes use of a HashiCorp service called Checkpoint which is used to check for updates and critical…

Read More

Top 50 istio interview questions and answers

1) What is Istio and how it works? An Istio service mesh is logically split into a data plane and a control plane. The data plane is…

Read More

What is YAML and How it works? An Overview and Its Use Cases

What is YAML? YAML means  another markup language. It is a data serialization language that works well with the modern programming language, and it is human-friendly. It…

Read More

Top 50 Envoy interview questions and answers

1) What is Envoy software used for? Envoy’s workplace platform has redefined how companies welcome visitors, keep employees safe, book desks and conference rooms, and manage deliveries…

Read More