Books

Learn C++ Data Structures & Algorithms Visually - Volume 2 brings together 108 algorithms covering trees, linked lists, strings, and arrays, each part opened by short foundation sections on the core tree patterns,... Printed in full color.

Learn Java Data Structures & Algorithms Visually - Volume 3 brings together 107 algorithms covering trees, linked lists, strings, and arrays, each part opened by short foundation sections on the core tree patterns,... Printed in full color.

Learn Java Data Structures & Algorithms Visually - Volume 2 brings together 108 algorithms covering trees, linked lists, strings, and arrays, each part opened by short foundation sections on the core tree patterns,... Printed in full color.

Learn C++ Data Structures & Algorithms Visually - Volume 3 brings together 107 algorithms covering trees, linked lists, strings, and arrays, each part opened by short foundation sections on the core tree patterns,... Printed in full color.

Retries, timeouts, webhooks and month-end reconciliation: the parts tutorials skip. A practical book for backend engineers who build or own payment systems, from cards to real-time rails like Pix, UPI and QRIS.

Learn C++ Data Structures & Algorithms Visually - Volume 1 brings together 108 algorithms covering trees, linked lists, strings, and arrays, each part opened by short foundation sections on the core tree patterns,... Printed in full color.

Arrays - Vol 3 (Intermediate → Advanced) - C++ Edition teaches 57 array algorithms through plain-language explanations, C++ implementations, and step-by-step visual walkthroughs, all in full color.

Arrays - Vol 2 (Beginner → Intermediate) - C++ Edition teaches 56 array algorithms through plain-language explanations, C++ implementations, and step-by-step visual walkthroughs, all in full color.

Arrays - Vol 1 (Beginner) - C++ Edition teaches 56 array algorithms through plain-language explanations, C++ implementations, and step-by-step visual walkthroughs, all in full color.

The code looks right. The agent sounds sure. Then it breaks. Learn the 50 most common ways AI-built apps fail, how to spot each one early, and how to fix it before your users find out.

Learn Terraform through visual explanations of configuration, state, dependencies, providers, modules, and infrastructure workflows.

Understand Redis data structures, caching, persistence, replication, and reliable operations through clear visual explanations.

Learn Packer through visual explanations of repeatable machine images, templates, builders, provisioning, and image delivery.

Understand microservices through clear diagrams of service boundaries, data ownership, communication, resilience, and operations.