DevOps and Development

How to Create a Spark DataFrame

July 21, 2021

Spark DataFrames are an essential part of working with data in Spark. Learn how to create DataFrames from scratch in this easy to follow tutorial.

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How to Configure Kubernetes for Rolling Update

July 15, 2021

New Kubernetes versions recommend using Deployments to perform rolling updates. Deployments allow you to quickly update your apps and achieve zero downtime, while ensuring rollback support. This tutorial will show you the necessary steps to configure your Kubernetes cluster for rolling updates.

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What is a Git Repository?


Git uses repositories to store different versions of projects. In this tutorial, we show you how to create and manage Git repositories.

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Apache Storm vs. Spark: Side-by-Side Comparison

July 7, 2021

Can't decide which streaming technology you should use for your project? Check out our comparison of Storm vs. Spark and see how both can be used for streaming.

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How to Set Up a Kubernetes Cluster with Rancher

July 1, 2021

Rancher provides DevOps teams with a complete software stack for managing containerized apps. With Rancher, Kubernetes can be run anywhere - in a datacenter, hybrid or multi-cloud environment. This tutorial shows you how to set up a K8s cluster in Rancher.

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Handling Missing Data in Python: Causes and Solutions


Some machine learning algorithms won't work with missing data. Learn how to discover if your dataset has missing information, what the causes are as well as how to resolve it in this easy to follow tutorial for P

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How to Pull and Push Helm Charts

June 22, 2021

Helm charts are kept in repositories that can be hosted in container registries, on your local system, or online. This tutorial shows you how to push and pull Helm charts to container registries.

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How to Calculate Hybrid Cloud Cost

June 17, 2021

Calculate hybrid cloud costs by considering the factors that impact the budget the most.

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How To Resolve Merge Conflicts in Git

June 16, 2021

When working with multiple people or on a big project, version control is a must-have. Joining information from multiple sources sometimes yields merge conflicts. Learn about how they happen and how to resolve merge conflicts.

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Star vs. Snowflake Schema

June 10, 2021

The star and snowflake schemas are terms often used in the data warehouse architecture. Learn about what each schema brings to the table and what the drawbacks are of using each.

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