Consuming records with Spark

From Spark in Action, Second Edition by Jean Georges Perrin

This article explores consuming records in files with Spark.

What are Pulsar Functions?

From Pulsar in Action by David Kjerrumgaard

This article gives an intro into Pulsar Functions: what they are and what they do.

Threading with Web Workers

From WebAssembly in Action by C. Gerard Gallant

This article covers:

§ Using a web worker to fetch and compile a WebAssembly module

§ Instantiating a WebAssembly module on behalf of Emscripten’s JavaScript code

Building an App for the Farmer’s Market

From Flutter in Action by Eric Windmill

Learn a bit about using Flutter by learning about routing in a Farmer’s Market application.

Verticles: the basic processing units of Vert.x

From Vert.x in Action by Julien Ponge

This article talks about what verticles are and delves a bit into how they work and how to write them.

Namespacing with Python

From Practices of the Python Pro by Dane Hillard

The article explores the concept of namespaces and how Python uses them to help make code better.

Using Option in Scala, Part 3: for-comprehension

From Get Programming with Scala by Daniela Sfregola

The final part of the article series digs into using “for-comprehension” to chain optional values together.

Using Markup Languages with Hugo

From Hugo in Action by Atishay Jain

Hugo supports a variety of markup languages for generating content. Markdown is the most popular amongst them and most widely used.

In this article we’ll create formatted posts using Markdown to fill up the content pages used in the website for Acme Corporation.

What is a Unit Test? Part 1: an introduction

From Unit Testing: Principles, Practices, and Patterns by Vladimir Khorikov

This article covers:

  • Definition of a unit test
  • The differences between shared, private, and volatile dependencies
  • The two schools of unit testing: classical and London
  • The differences between unit, integration, and end-to-end tests

Serverless made Effortless

From Terraform in Action by Scott Winkler

This article discusses how Terraform can make serverless infrastructure easy and painless to use.

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