Software

Fifty realistic Microsoft 365 support cases. Trace the symptom through identity, licensing, client, permissions, policy, network, and service health—and fix the workday without guessing.

Fifty realistic network cases. Stop guessing, follow the evidence, and learn to locate the failure before you try to fix it.

INTRODUCTION- Welcome message- Why you need this book- How to use this book STORY INTRODUCTION (1 page)- The Magic Notebook Project- How four friends discover Git- Bridge to first chapter CHAPTERS 1-12 (18 pages)1. Branching - Work on separate timelines2. Commit - Create permanent checkpoints3. Push - Share your work4. Pull - Get everyone's latest changes5. Fetch - Check before merging6. Merge - Combine branches7. Rebase - Update to latest foundation8. Conflict Resolution - Resolve clashing changes9. Reset vs Revert - Undo mistakes safely10. Stash - Pause work temporarily11. Diff & Log - Investigate history12. Pull Requests - Team safety gates Each Chapter Includes:- Story continuation (3-4 lines)- Concept definition- 2 professional diagrams- Git command example- What happened explanation- Common mistakes- Tips to remember REFERENCE SECTIONS (2 pages)- The Four Places: Mental Model- Quick Reference Cheat Sheet- Key Takeaways CLOSING- Conclusion- What's next- Keep learning

Fifty realistic support cases. Learn what to investigate, document, and communicate before you hand off the ticket — so the next technician can continue the work instead of starting over.

The user says it works. Is the ticket really finished? Fifty realistic IT support cases that train you to verify the fix before you close the ticket.

The first complaint is not always the real problem. Work through 50 realistic IT support cases and learn to follow the evidence from symptom to root cause.

Fifty tickets. Fifty judgment calls. Decide whether to solve, investigate, contain, communicate, or escalate — then see what a strong support professional would do next.

50 realistic IT support tickets. Five connected shifts. Make the call, uncover new evidence, and learn the troubleshooting, triage, communication, and escalation skills used on a real help desk.

Learn Argo Rollouts through hands-on Kubernetes labs. Build canary and blue-green deployments, control traffic with Istio, validate releases with Prometheus, run Experiments, automate promotion and rollback, and manage progressive delivery with Argo CD and GitOps.

本書では、Compose Compiler、Runtime、UI レイヤー、そしてパフォーマンスチューニングに至るまで、Jetpack Compose のすべてを深く掘り下げます。Jetpack Compose の内部ソースコードを一行ずつ読み解きながら、なぜその設計が選ばれたのか、その背景にある理由を明らかにし、皆さんが日々書いているコードと内部メカニズムを結びつけていきます。 本書を読み終える頃には、Compiler、Runtime、UI レイヤーがどのように連携して動作しているのか、その全体像を頭の中で描けるようになるでしょう。そして最終的には、その理解をもとに、日々開発している Compose プロジェクトのパフォーマンスを大きく改善できるようになります。 コース（英語）：Jetpack Compose Mechanisms | ハードカバー書籍（英語） | ISBN-13: 9798185354780

Build a fully functional semantic search engine from first principles using pure Python and NumPy—no heavy AI frameworks, no vector databases, just pure intuition and mathematics.

The first thing many people hit with an AI coding assistant is a plateau. A correction made on Monday is gone by Thursday. This book is about the operating model above the prompt, where truth lives, how a correction becomes a standing rule that holds, and which judgments stay in human hands.

Stop wasting engineering hours on manual Jira maintenance. Learn how to combine deterministic Jira governance with targeted Atlassian Rovo AI agents to build a self-triage, friction-free delivery engine.

Master ABAP from your first line of code to modern SAP S/4HANA development. Build practical skills in internal tables, database access, object-oriented programming, CDS views, RAP, APIs, performance and Clean ABAP through clear explanations and runnable examples designed for real-world projects.

Stop letting Windows decide how you work. This guide takes you from everyday tasks to the tools and techniques professionals rely on, covering PowerShell, WSL2, security, automation and AI. Packed with practical examples, it helps you unlock the full potential of Windows 11 with confidence.