Books

 Your CEO asks for an estimate. Your engineer says "3 weeks." Your CEO responds "you have 3 days." Sound familiar? After 30 years managing engineering teams, I've learned that most estimation is pure waste—and the pressure to give "better estimates" destroys trust and team morale. This book reveals a counterintuitive truth: stop estimating so much. Only estimate when it directly drives decisions. Learn why software estimation is fractal (like measuring Britain's coastline), how to distinguish effort from duration, and why your team keeps "missing deadlines." Discover how to reframe engineering from a cost center (always fighting for budget) to a profit center (getting the resources you deserve). Written for CTOs and engineering leaders, this practical guide delivers immediately actionable frameworks based on real experience coaching dozens of technical leaders. No theory, no agile dogma—just honest advice on estimation that actually works.

Engineering excellence isn’t a team problem, it’s a leadership system problem.This book shows how operating models, decision rights, and measurement shape delivery outcomes, and why modern practices fail when the system around them still assumes predictability.

Professionals require tools to perform their jobs effectively. Product designers, Salespeople, Managers, and Software Developers all have tools. What about Software Architects?

Explore the power of Rust with "Rust Projects: Write a Redis Clone". This hands-on guide takes you through building a Redis-inspired database from the ground up, introducing key programming concepts like TCP connections, the RESP protocol, and concurrency. Following the CodeCrafters challenge, this book gradually builds your skills, making complex topics accessible. Whether you're new to Rust or looking to deepen your understanding, this project-based journey offers practical, real-world insights into modern systems programming. The book contains 40% discount code for CodeCrafters.io!

This book provides a cookbook of guidelines on designing beautiful (simple to use) and practical (simple to implement) RESTful API.

Hello! I'm Tony Robinson, a senior security analyst and rule writer on the Proofpoint Emerging Threats team. I write rules for the ETOPEN and ETPRO rulesets. My book will teach you about the ins and outs of Suricata, rules and rule writing in general, why the IDS software behaves a certain way, and how to get the most out of your Suricata deployments.

In this book you will learn the following: Build Console appsCreate Web APIsTest your codeCreate and publish reusable packages that others can consumeOrganize your files in a projectWork with files and directoriesParse text with the string library and regular expressions.

A condensed list of lessons for new to intermediate gophers, including experienced developers who are new to Go.

¿Kubernetes te parece difícil? Esta es la precuela técnica que necesitas. Deja de copiar Dockerfiles a ciegas y domina los cimientos: imágenes, redes, volúmenes y Docker Compose. La guía definitiva en español para entender los contenedores y construir la base sólida de todo Ingeniero DevOps.

Bash programming tutorial

Aprende los conceptos básicos del Machine Learning y avanza poco a poco con teoría y divertidos ejercicios prácticos en Python a niveles intermedios y avanzados hasta llegar al Deep Learning.Tu camino para convertirte en un Científico de Datos comienza aquí

Readers will learn discrete mathematical abstracts as well as its implementation in algorithm and data structures shown in various programming languages, such as C, C++, PHP, Java, C#, Python and Dart. This book combines two major components of Mathematics and Computer Science under one roof.

This self-study course written as a book is your first step towards making money by coding and programming from home, and doing that with fun. You will understand how the Ruby language works, and establish a foundation for being successful freelance developer. 

This book covers R software development for building data science tools. This book provides rigorous training in the R language and covers modern software development practices for building tools that are highly reusable, modular, and suitable for use in a team-based environment or a community of developers. (Printed copies coming soon!)