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Author Archives: Bhagvan Kommadi

Bhagvan Kommadi is the Founder of Architect Corner & has around 20 years’ experience in the industry, ranging from large scale enterprise development to helping incubate software product start-ups. He has done Masters in Industrial Systems Engineering at Georgia Institute of Technology (1997) and Bachelors in Aerospace Engineering from Indian Institute of Technology, Madras (1993). He is member of IFX forum,Oracle JCP and participant in Java Community Process. He founded Quantica Computacao, the first quantum computing startup in India. Markets and Markets have positioned Quantica Computacao in ‘Emerging Companies’ section of Quantum Computing quadrants. Bhagvan has engineered and developed simulators and tools in the area of quantum technology using IBM Q, Microsoft Q# and Google QScript. He has reviewed the Manning book titled : "Machine Learning with TensorFlow”. He is also the author of Packt Publishing book - "Hands-On Data Structures and Algorithms with Go".He is member of IFX forum,Oracle JCP and participant in Java Community Process. He is member of the MIT Technology Review Global Panel.

Javalin REST API

1. Introduction This is an in-depth article related to the Javalin REST API. Javalin is a web framework used by Java and Kotlin developers. The framework runs on Jetty Web server. It is similar to koa.js. 2. Javalin 2.1 Prerequisites Java 7 or 8 is required on the linux, windows or mac operating system. Maven 3.6.1 is required for building ...

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Upsert in MongoDB

1. Introduction This is an in-depth article on how to create MongoDB Upsert Example. Mongo Database is a no SQL database. It has capabilities such as query language to retrieve from the database. It also provides operational and administrative procedures. A document in Mongo Database is a data structure that has field and value pairs. These documents are like JSON ...

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Command Not Found Using Sudo

1. Introduction This is an in-depth article related to the Sudo command in Linux and how to avoid command not found error. Sudo is super user do command . It is used as a prefix for superuser commands to be executed. The privileges while executing will be of superusers. In windows, the equivalent is run as administrator. sudo permission is ...

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How do we use find -exec?

1. Introduction In this article, we will see how the find -exec Linux command is used. Find command is used -exec argument in Linux to find the files with different extensions in the directories. 2. Linux Find command and exec option Find command in Linux has expression and action. The expression part is the first one that is used for ...

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Infinite loop in Java

1. Introduction This is an in-depth article related to the Infinite loop in java. Infinite loop is a task which loops without any stopping condition. Typically this happens as an error or intentional requirement. This can be achieved or happens in a for, while, and do while loops. A loop has a start and end condition. Infinite loops do not ...

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Using Terraform with Kubernetes

This is a tutorial about Using Terraform with Kubernetes for beginners. Kubestack has managed services like AKS, EKS, and GKE for Terraform with kubernetes deployment. They help in integrating cluster services from different bases in to GitOps workflow. 1. Overview Terraform was created on May 21st, 2014 by Mitchell Hashimoto. Hashimoto was Hashicorp’s founder. Terraform is used for building code ...

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Using Terraform with Azure

This is a tutorial on using Terraform with Azure for beginners. 1. Overview Terraform was created on May 21st, 2014 by Mitchell Hashimoto. Hashimoto was Hashicorp’s founder. Terraform is used for building code and handling infrastructure security. Terraform is a popular DevOps tool in the software world. 2. Terraform with Azure Tutorial 2.1 Prerequisites Terraform is necessary on the operating ...

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Using Terraform with Google Cloud

This is a tutorial for using terraform with google cloud. 1. Overview Terraform was created on May 21st, 2014 by Mitchell Hashimoto. Hashimoto was Hashicorp’s founder. Terraform is used for building code and handling infrastructure security. Terraform is a popular DevOps tool in the software world. 2. Terraform with Google Cloud 2.1 Prerequisites Terraform is necessary on the operating system ...

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OOP Python Tutorial

set python

1. Introduction This is an article about oop in python. Python can be used for developing software and executing the code. Python is a programming language that has dynamic types. Python started off in a research firm based at Netherlands. The goal of this language was to reduce the gap between the shell commands syntax and C. The motivation of the ...

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Terraform Functions Tutorial

This is a Terraform Functions tutorial for beginners. 1. Overview Terraform was first developed by Mitchell Hashimotoon May 21st, 2014 in HashiCorp. It is used for deveoping application code and handling infrastructure security. Terraform is a popular DevOps tool in the technology space. Terraform has in built functions. Functions can be invoked in the expressions to join and modify the ...

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