This reference volume consists of revised, edited, cross-referenced, and thematically organized articles from the Software Diagnostics and Observability Institute and the Software Diagnostics Library (former Crash Dump Analysis blog) about software diagnostics, root cause analysis, debugging, crash and hang dump analysis, and software trace and log analysis written from 15 April 2024 to 14 November 2025.
METROSYST reveals the invisible systems behind every metro vehicle — the power, control, and intelligence that keep a city moving. Written by engineer Sinan Balcı, this book turns complex rail technology into clear, visual, and practical insight. From traction to TCMS, GoA4 to RAMS — understand what every metro hides, and every engineer should know.
Agentic coding is transforming how developers write software. Instead of relying on static code completion, you now collaborate with autonomous AI agents that plan, execute, and improve with you. Agentic Coding for Beginners introduces this new era of intelligent development through practical, tool-agnostic lessons. You’ll learn to design workflows, manage context, and build multi-agent systems that handle complex tasks with precision. Using examples from ChatGPT, Copilot, VS Code, and CrewAI, the book shows how to combine automation with human judgment for better results. Written for developers who want to move beyond simple prompts, it teaches how to think in loops of planning, acting, and reflecting, the foundation of agentic systems. Whether you’re refining your coding process or exploring AI-driven workflows for the first time, this guide helps you bridge the gap between coding and cognition, preparing you for the next generation of software engineering.
Some echoes linger longer than we expect. In the spaces he left behind, I find myself walking slowly, tracing the shapes of what wasn’t said, and wondering if I’ll ever learn to carry the weight without faltering.

This book focuses on the science and practice of quantifying user experience. It covers usability metrics, behavioural analytics, and frameworks for linking design improvements to business outcomes. Readers will gain practical guidance on setting UX KPIs, conducting A/B tests, analysing engagement data, and calculating the return on investment of design initiatives.
“A one-of-a-kind collection of 130 challenging data structure problems with full, detailed solutions — designed to help you deeply understand data structures and solve technical interview questions with confidence.”
In this book, the author explores the challenges and strategies of designing user experiences for large-scale, data-heavy, and intelligent systems. From enterprise software with complex workflows to AI-driven products that learn and adapt, the book provides frameworks for making intricate systems usable, intuitive, and human-centred.
We live surrounded by illusions of control, of comfort, of freedom. But what happens when those illusions begin to crack?The Truth We Avoid Facing is a quiet confrontation with the lies we tell ourselves about who we are, the world we live in, and the systems that shape our choices. Across six deeply reflective chapters, Landoh Clansy guides the reader through the subtle ways denial becomes survival and how awareness, though painful, becomes liberation. From the illusion of control to the unseen chains of conformity, this book invites you to question the narratives that keep humanity asleep. It does not preach, nor promise easy answers only the courage to look honestly at what we’ve refused to see. If you’ve ever felt that something about the world or yourself isn’t as it seems, this book is your mirror. Not to judge, but to awaken.
For decades, the heroes of software were those who could write the fastest, cleanest code. They were the masters of syntax, the brilliant ten-percenters who could conjure complex logic out of thin air.But the world has changed. Our systems no longer run on single machines; they are vast, interconnected digital ecosystems that power payments, health care, and communication for billions. The best code snippet in the world is useless if the system that hosts it buckles under a traffic surge, leaks customer data, or costs five times more to run than it generates in revenue.This is a book about the product decisions that shape architecture. It’s about the trade-offs that keep a startup alive in an emerging market and what differentiates a global platform from a local application. It’s for the next generation of leaders who understand that in the modern digital economy, the system is the product. Read it, and start building systems that don’t just execute commands, but think.
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