The Handbook
Welcome to the Hacker's Handbook, the voice of HappiHacking. This blog is one of our ways of sharing our knowledge and experience accrued over years spent developing software. Immerse yourself in insights drawn from our many successful projects, as we strive to demystify the complexities that sometimes shroud the exciting world of software creation.
Our Handbook is designed to enlighten and empower developers, project managers, and leaders in the software industry. We delve into practical tips and strategic tricks that have proven invaluable in our journey, all in a bid to help you with your own software development challenges. Our blog also brings you real-life stories from our projects, providing a practical, hands-on perspective on how we tackle issues, make progress, and above all, get projects done.
Latest blog posts
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2025-05-22 Your Finance Stack Is Lying to You : Accidental Complexity in Fintech by Happi
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2025-04-01 AI Rubber Ducking: When Your Duck Starts Talking Back : Debugging with an AI duck, helpful, but slightly quackers by Happi
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2025-03-25 The BEAM Book Is Almost Done. Here’s What Writing It Taught Me. : Reflections on scope, clarity, and the joys of letting go. by Happi
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2025-03-18 Why Some Fintechs Scale Seamlessly; and Others Crash and Burn : Most fintech backends break under pressure. Yours doesn’t have to. by Happi
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2025-03-11 Summon Your AI Sidekick: Building a Tireless Personal Coach : When Your AI Coach is Named Orrin by Happi
Here is a link to the feed.
You can also read the Beam Book available for free online.
Or send us an email at info@happihacking.se if you want to know more.
Older blog posts
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2025-03-06 The Best Issue Ever Reported on GitHub : This one's a feature, definitely not a bug by Happi
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2025-03-05 Hyperchains: Your Own L1 with Aeternity Tech : Set Your Own Fees, Scale Without Limits by Happi
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2025-02-25 Synchronous vs. Asynchronous: Clearing the Confusion : Messaging, APIs, RPC, and Other Buzzwords Explained by Happi
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2025-02-24 Is RabbitMQ Unreliable? A Reality Check : Spoiler: No, but context matters. by Happi
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2025-02-21 Forget Microservices: Just Use Erlang. : A distributed system, without the distributed headaches. by Happi
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2025-02-20 The Hidden Cost of Bad Payment Architecture : Because 'It Works' Is Not the Same as 'It Works Well' by Happi
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2025-02-19 Opinions: Just the Facts, 11 Years Later : Still no opinions. Mostly. by Happi
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2025-02-18 Microservices Are NOT an Excuse for Chaos : How Overcomplicating Your Architecture Can Destroy Scalability Instead of Enabling It by Happi
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2025-01-07 Getting the hang of Rebar3 : by Richard
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2024-12-17 Why Windows 11 Virtual Desktop Switching Is Slow : And How to Fix It by Happi
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2024-11-26 Level Up your Developer Productivity : A New Course by HappiHacking by Happi
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2024-11-26 Mastering Developer Productivity : A New Course by HappiHacking by Happi
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2024-11-26 Developer Productivity : A New Course by HappiHacking by Happi
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2024-10-29 Dev Containers Part 3: UIDs and file ownership : by Richard
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2024-09-24 Enhancing Fintech Security with Erlang : Build Scalable and Reliable Fintech Systems with Erlang by Happi
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2024-09-11 How Erlang Powers High-Volume Finance : Build Scalable and Reliable Fintech Systems with Erlang by Happi
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2024-09-03 TIPS and RIX-Inst: Navigating the Future of Real-Time Payments in the EU : Opportunities and Challenges for Fintech Companies by Happi
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2024-05-15 Developer Types : Addressing the Elephant in the Room by Happi
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2024-04-28 The Quest for Enhanced Productivity in Software Development : A Reflection One and a Half Decades Later by Happi
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2024-03-09 Designing Concurrent Systems on the BEAM : Principles and Strategies for Robust System Design by Happi
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2023-12-14 Three Decades with Erlang : A Personal Odyssey by Happi
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2023-10-17 Recovering from a Hacked Social Media Account : A Quick Guide by Happi
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2023-08-11 Dev Containers Part 2: Setup, the devcontainer CLI & Emacs : Bring Your Emacs Friends to the Party by Max
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2023-07-24 Dev Containers: Consistency in Development : Finding Freedom in Confinement by Happi
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2023-06-21 Seamless Productivity with Mouse without Borders : A Happi Hacker's Dream by Happi
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2023-06-19 Neural Networks in Elixir : A beginners guide by Happi
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2023-06-16 AI Laser Metal Cutting - Part 3 : Replacing humans by AI optimization as a service by Jim Wilenius
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2023-06-15 AI Laser Metal Cutting - Part 2 : Replacing humans by AI optimization as a service by Jim Wilenius
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2023-06-14 AI Laser Metal Cutting - Part 1 : Replacing humans by AI optimization as a service by Jim Wilenius
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2023-06-09 Audits through Merkle Root Hashes : Blockchain - The good parts by Tobias
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2023-06-06 It is never about technology - until it is : Then it is Erlang by Happi
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2023-06-02 Book Review “The Goal - A Process of Ongoing Improvement" by Eliyahu M. Goldratt and Jeff Cox : Unleashing the Power of the Theory of Constraints on Software Development by Happi
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2023-06-01 Taba the story : by Happi
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2023-05-31 FATE: Revolutionizing Smart Contract Execution : Enhancing Efficiency and Safety in Blockchain Applications by Happi
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2023-05-30 Unleashing the Power of Erlang's BEAM : A case study with Delta Exchange by Happi
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2023-05-29 Rapid Prototyping : Building a production ready MVP in 3 months by Happi
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2023-05-26 Taming the Spaghetti Monster: The Birth of Kappa : Solving Codebase Complexity at Klarna with a Business Layers Strategy by Happi
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2023-05-25 The 'Happy Path Method'™ - Reshaping Software Development with Agile Excellence : Maximizing Value, Minimizing Time: The HappiHacking Way by Happi
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2023-05-24 HappiHacking's Just in Time Development : An Agile Success Story with Klarna's Installment Plans by Happi
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2023-05-23 Unlocking Performance: Introducing HappiHacking's New Course on BEAM : by Happi
