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Writing on GPUs, LLMs, MLOps, Kubernetes — and mindset · 3525 posts
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Engineering Math Series 24: Numerical Methods, Optimization, Graphs, Probability and Statistics Roadmap
Wraps up the first cycle of the engineering math series and organizes why numerical methods, optimization, graphs, and probability and statistics matter, plus the recommended study order.
2026-03-19 · 4 min read #engineering-math#numerical-methods#optimization#probability#statisticsEngineering Math Series 21: Heat, Wave, and Laplace Equations
Compares the differences and application contexts of the three most representative PDEs in engineering math: the heat equation, wave equation, and Laplace equation.
2026-03-19 · 3 min read #engineering-math#pde#heat-equation#wave-equation#laplace-equationEngineering Math Series 18: Fourier Series
Explains the core idea of Fourier series -- representing periodic functions as sums of sines and cosines -- and the meaning of coefficient calculation at the introductory level.
2026-03-19 · 3 min read #engineering-math#fourier-series#signal-processing#periodic-functions#2026-03Engineering Math Series 15: Vectors, Geometry, and Vector Fields
Understand vectors not as mere lists of coordinates but as geometric objects with direction and magnitude, and introduce what vector fields mean in engineering at the introductory level.
2026-03-19 · 3 min read #engineering-math#vector-calculus#vectors#vector-fields#2026-03Engineering Math Series 12: Elimination, Inverse Matrices, and Determinants
Organizes the three core perspectives for solving linear systems -- Gaussian elimination, inverse matrices, and determinants -- at the beginner level.
2026-03-19 · 3 min read #engineering-math#linear-algebra#determinants#matrix-inverse#2026-03Engineering Math Series 9: Intuition Behind the Laplace Transform
Explains intuitively why the Laplace transform turns differential equations into algebraic problems, and the difference between the time domain and the s-domain.
2026-03-19 · 3 min read #engineering-math#laplace-transform#ode#systems#2026-03Engineering Math Series 6: Higher-Order ODEs and Initial Value Problems
Covers the basic structure of third-order and higher ODEs and the meaning of initial value problems, explaining why the number of conditions is tied to the order.
2026-03-19 · 3 min read #engineering-math#ode#higher-order-ode#initial-value-problem#2026-03Engineering Math Series 3: Separation of Variables, Integrating Factor, Exact Equations
Covers the three essential solution methods for first-order ODEs -- separation of variables, integrating factor, and exact equations -- with intuition and worked examples.
2026-03-19 · 4 min read #engineering-math#ode#first-order-ode#integrating-factor#2026-03Vygotsky's Gift: The Hidden Psychology of Pair Programming
Lev Vygotsky's Zone of Proximal Development is the scientific foundation underlying pair programming, code reviews, and mob programming. Understanding ZPD transforms how you think about learning together.
2026-03-18 · 16 min read #vygotsky#zpd#pair-programming#learning-psychology#code-reviewVector Database Comparison 2025: Pinecone vs Weaviate vs Chroma vs pgvector
A practical 2025 comparison of Pinecone, Weaviate, Chroma, and pgvector across performance, cost, and operational complexity. Includes real code examples and a decision matrix to help you pick the right vector database f
2026-03-18 · 8 min read #vector-database#pinecone#weaviate#chroma#pgvectorIf Seneca Used Slack: A Time Philosophy for the Always-Connected Developer
Seneca's radical claim that time is our only true possession cuts directly to the heart of the modern developer's attention crisis. Two thousand years of Stoic wisdom, applied to the age of Slack notifications.
2026-03-18 · 16 min read #seneca#time-philosophy#stoicism#focus#digital-minimalismRAG vs Fine-tuning vs Prompt Engineering: The Complete Decision Framework
A practical comparison of RAG, fine-tuning, and prompt engineering from a production engineering perspective, with a concrete decision framework, real cost calculations, and honest gotchas from building these systems in
2026-03-18 · 7 min read #rag#fine-tuning#prompt-engineering#llm#ai-developmentWhat Octopuses Teach Us About Flexible Thinking ♪ Listenable
Octopus intelligence as a lesson in flexible thinking and distributed cognition. From Peter Godfrey-Smith's research to microservices architecture, explore how nature's most alien minds illuminate the art of creative pro
2026-03-18 · 17 min read #octopus#distributed-intelligence#creative-thinking#flexibility#developerThe Wood Wide Web: What Trees' Secret Conversations Teach Us About Mentorship
Beneath every forest floor, trees are sharing carbon, warning each other of pests, and supporting their young through vast fungal networks. Suzanne Simard's "mother tree" research and Peter Wohlleben's work reveal a visi
2026-03-18 · 9 min read #trees#mycorrhizal#mentorship#team-culture#natureModel Context Protocol (MCP) Complete Guide: The New Standard for AI-World Integration
Anthropic's MCP is the USB-C of AI tool integration — write your server once, use it with any AI client. This guide covers MCP architecture, building a Python server from scratch, and honest comparisons with OpenAI funct
2026-03-18 · 7 min read #mcp#model-context-protocol#anthropic#claude#ai-agentMarcus Aurelius Gives a Code Review: Stoic Philosophy for Developer Mental Health ♪ Listenable
The Roman emperor Marcus Aurelius wrote his private journal — Τὰ εἰς ἑαυτόν (Meditations) — in Greek, never intending it for publication. Two thousand years later, this accidental masterpiece turns out to be a surprising
2026-03-18 · 20 min read #stoicism#marcus-aurelius#mental-health#code-review#philosophyPractical LLM API Cost Optimization: How to Cut Costs by 90%
Five battle-tested strategies to slash LLM API costs — prompt caching (90% reduction), model routing, semantic caching, Batch API, and output optimization — all with production-ready code and real cost calculations.
2026-03-18 · 12 min read #llm-cost-optimization#api-cost#prompt-caching#model-routing#ai-developmentKaizen: How 1% Daily Improvement Becomes a Superpower
The Japanese philosophy of Kaizen (改善) applied to developer growth. From Toyota's factory floors to your codebase, discover how the compound effect of tiny daily improvements creates extraordinary engineers.
2026-03-18 · 7 min read #kaizen#japanese-philosophy#continuous-improvement#growth#developerGoogle TPU Deep Dive: How Systolic Arrays Solve Matrix Multiplication Perfectly
A complete technical breakdown of how Google's Systolic Array achieves extreme efficiency for matrix multiplication. From INT8 inference and bfloat16, to XLA compiler optimizations and TPU Pod distributed inference - wit
2026-03-18 · 15 min read #tpu#google#systolic-array#model-serving#jaxEmbedding Model Selection Guide 2025: From OpenAI to Open-Source Options
A practical 2025 comparison of the major embedding models — OpenAI, Cohere, BGE-M3, E5-mistral, nomic-embed — with MTEB benchmark analysis, language-specific recommendations, and a decision framework for choosing the rig
2026-03-18 · 9 min read #embedding#embedding-model#rag#ai-development#openai