Why PostgreSQL is the only Database You Need
Why PostgreSQL covers JSON, vectors, FDWs, and more without a zoo of specialty stores. An opinionated database thesis.
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496 articles
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ExecutorService and Thread Pools in Java
Executive Summary: ExecutorService runs tasks on a managed thread pool instead of raw threads. This post covers fixed…
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How to Manage Difficult Stakeholders as an Engineering Leader
Learn how to manage difficult stakeholders as an engineering leader with a stakeholder register, the power/interest grid, and…
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How to Run LLMs Locally with Ollama and Python
Install Ollama, pull an open model, and call it from Python with streaming, error handling, and a speed…
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Threads in Java: Creation, Lifecycle, and Coordination
Executive Summary: A Java thread runs a Runnable once you call start, and it moves through a defined…
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How to Build a High-Performing Engineering Team
Learn how to build a high-performing engineering team with Tuckman's stages, a team charter, and psychological safety, plus…
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Practice: Build a Small Network Client or File Tool
Executive Summary: This practice project builds LinkCheck, a Java tool that reads URLs from a file, fetches each…
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Why Foldable Phones Are the Future of Mobile Computing
Archived opinion piece on foldable phones and mobile form factors. Kept for reference; outside this site's core engineering…
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How to Build a RAG App in Python Without a Framework
Retrieval-augmented generation in about 150 lines of plain Python: chunking, retrieval, a grounded prompt with citations, a refusal…
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HTTP/2 vs HTTP/3: Multiplexing, QUIC, and Real-World Performance
HTTP/2 vs HTTP/3 compares streams, head-of-line blocking, and QUIC so you can pick a protocol that stays fast…
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Monolith vs Microservices: The Decision, Not the Fashion
Monolith vs microservices decided honestly: the side-by-side comparison on team shapes, scaling, and operational maturity, the modular monolith…
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Modern Java Features: var, Text Blocks, and Pattern Matching
Executive Summary: Modern Java gives you var for local type inference, text blocks for multi-line strings, switch expressions…
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Python Embeddings and Semantic Search: Build It from Scratch
Turn text into vectors, store them in a NumPy matrix, and rank by cosine similarity. A complete semantic…
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Spring Boot REST API
Executive Summary: Java REST services without clear layering end up with fat controllers and brittle contracts. This post…
