How-Tos

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Git essentials: Get started with Git version control

Learn how Git manages versions and how to install the necessary software to access Git servers where your software project will be stored

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Big data analytics with Neo4j and Java, Part 1

Graph databases like Neo4j are ideal for modeling complex relationships between collections of users--and they move through big data at lightspeed. This tutorial gets you started with graph databases and analytics in Java.

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GitHub tutorial: Get started with GitHub

Every developer should be on GitHub. Follow these steps to create a repository, push commits, merge pull requests, and clone and fork other repos

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Docker tutorial: Get started with Docker Compose

Learn how to use Docker’s native service configuration and deployment tool for testing and debugging multi-container apps

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Serverless computing with AWS Lambda, Part 2

Integrate your AWS Lambda backend with a DynamoDB datastore, then use the AWS SDK to invoke Lambda functions from a Java client

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Serverless computing with AWS Lambda, Part 1

Serverless computing is no magic carpet, but how does it really work? Get an overview of AWS Lambda's nanoservices architecture and execution model, then build your first Lambda function in Java

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Jenkins tutorial: Get started with Jenkins continuous delivery

How to use Jenkins Blue Ocean and NPM to create a CICD pipeline for a Node.js and React application

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How to improve your scrum master skills

Building your scrum master skills leads to a several career opportunities. Here are the skills that will take you to the next level

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Machine learning for Java developers

Set up a machine learning algorithm and develop your first prediction function in Java, then get started with Weka.

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21 rules for faster SQL queries

Follow these tried-and-true techniques to improve the speed and scalability of your relational database

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Why serverless? Meet AWS Lambda

A first-hand, step-by-step look at the ease and simplicity of Amazon's "function as a service" platform

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Signs you should not take that programming job

From the job description to the final offer, here’s how to avoid getting stuck in a dead-end coding job

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Data in, intelligence out: Machine learning pipelines demystified

Data plus algorithms equals machine learning, but how does that all unfold? Let’s lift the lid on the way those pieces fit together, beginning to end

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Tap the power of Google's Go language

Learn the key concepts behind programming in Go, a concise, simple, safe, and fast compiled language with powerful concurrency features

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Cloud made easy: Get started with DigitalOcean

Build a web presence in minutes with DigitalOcean’s dead-simple cloud service

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Self-taught? 3 keys to acing the coding interview

Coding interviews are nerve-wracking, but using blind coding challenges can help boost your performance and even the odds

CI/CD with Jenkins and Docker, Part 1

Open source Java projects: Jenkins with Docker, Part 1

Setup a continuous integration process to build and test a Java web app with Jenkins, then deploy it to a Docker container in Part 2

Open source Java projects: Docker Swarm

Learn why clustering is an important technique for working with Docker containers, then try your hand at developing a two-node enterprise cluster with Docker Swarm

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