Postgres Index Types Explained: B-tree, GIN, BRIN, and Operators
Level Up Coding - Medium • 2026-07-29 19:40

Postgres Index Types Explained: B-tree, GIN, BRIN, and Operators

In my post about JSON and JSONB I told you to create a GIN index with jsonb_path_ops and moved on, because that post was about a column type and not about indexing. This one pays the debt. What a GIN index actually is, why Postgres ships five other index types.Every example below runs as written on a stock Postgres 17. The plans and sizes are real output from my machine.An index is a betAn index i...

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DEV Community • 2026-07-29 19:40

What a Decade in Software Taught Me About Technology

Reflections from a full-stack engineer who started with small websites and ended up building systems for banking, government, and marketplaces. Ten years ago, I wrote my first lines of production code for small business websites in Tbilisi. Since then, I’ve built internal systems for a bank, worked on platforms serving hundreds of thousands of users at the Ministry of Healthcare, contributed t...

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DEV Community • 2026-07-29 19:39

Claude Fable 5 vs GPT-4o for TypeScript Codegen

Which model actually writes better TypeScript, and does it matter enough to change what you reach for? I ran Claude Fable 5 and GPT-4o through the same set of TypeScript generation tasks to find out, and the answer is more useful than a leaderboard number: each model has a different failure mode, and which one bites you depends on what you are building. I do a fair amount of AI systems architectu...

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DEV Community • 2026-07-29 19:34

Your coding agent can now write a .NET workflow engine integration

Ask Codex, Claude or Cursor to wire a workflow library into a .NET service and you usually get code that looks right and calls a method that doesn't exist. Say the agent gets past that. It then hits the line "obtain a license key from the vendor" and stops, because that step was built for a human with a browser and an email inbox. I work on Workflow Engine at Optimajet, and we've recently rebuilt...

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DEV Community • 2026-07-29 19:30

Rock paper scissors is secretly a distributed systems problem

Back in 2023 I built an online rock paper scissors game so my friends and I could settle arguments remotely. Open a room, send the link, best of three. I figured it was a weekend project. It's been running for about three years now, there's an iOS app, a Turkish sister site, and a matchmaking queue. And along the way this three-rule game kept teaching me lessons I thought only "real" systems taug...

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Hacker News • 2026-07-29 19:26

Show HN: Multi-LLM – review plans and code across 12 coding CLIs, many models

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Hacker News: Front Page • 2026-07-29 19:25

Kimi K3-256k

Article URL: https://www.kimi.com/code/docs/en/kimi-code/models Comments URL: https://news.ycombinator.com/item?id=49101852 Points: 5 # Comments: 0

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Hacker News: Front Page • 2026-07-29 19:25

Balcony Solar: $1.74/watt direct plug-in solar

Article URL: https://www.brightsaver.org/balcony-solar-kits Comments URL: https://news.ycombinator.com/item?id=49101849 Points: 3 # Comments: 0

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DEV Community • 2026-07-29 19:24

Redact PII from Call Recordings with Python and Telnyx AI

I put together a small Flask example that redacts PII from call transcripts and call recordings using Telnyx AI. Code: https://github.com/team-telnyx/telnyx-code-examples/tree/main/call-recording-redactor-python The app has two workflows: submit an existing transcript upload an audio file, transcribe it, then redact the transcript What it redacts The prompt asks the model to repl...

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DEV Community • 2026-07-29 19:24

The $120K Question: Why African Engineers Are Underpaid for Their Output

African engineers build $120K+ software at 30–40% the cost. A data-driven investigation into the pay gap, its structural causes, and what founders and engineers can do. Quick Answer Why are African engineers underpaid relative to their output? The gap is structural, not skills-based. Four forces compound: information asymmetry leaves engineers negotiating blind; currency risk is transferred from ...

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Product Hunt — The best new products, every day • 2026-07-29 19:22

docktor

Your Dock's wasted side space, now full of widgets Discussion | Link

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DEV Community • 2026-07-29 19:22

How I schedule work and communication with Morgen

Time is my most valuable resource. Unlike most others, it can’t be replenished, and at my age, I’m acutely aware of this fact. The app I’ve been using daily for years now to manage my time is Morgen. I can’t believe this service is still such a hidden gem. Recently, Zapier published a blog post titled “The 5 best time blocking apps in 2022”, and it didn’t even mention Morgen, let alone discuss it...

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Hacker News • 2026-07-29 19:22

Show HN: A Back End You Can Call Directly from React – No API Required

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The AI Apocalypse Isn’t Coming… But the Risks Are Real
Level Up Coding - Medium • 2026-07-29 19:18

The AI Apocalypse Isn’t Coming… But the Risks Are Real

The AI Boom won’t end in extremes, but even the middle ground brings challenges governments and tech companies aren’t ready for. Society…Continue reading on Level Up Coding »

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Elon Musk Just Promised to Open Source All of X. Here Is Why Nobody Knows What It Means
Level Up Coding - Medium • 2026-07-29 19:18

Elon Musk Just Promised to Open Source All of X. Here Is Why Nobody Knows What It Means

On a Wednesday in the middle of July 2026, Elon Musk posted a sentence on X that instantly traveled across every tech newsletter…Continue reading on Level Up Coding »

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DEV Community • 2026-07-29 19:18

Orquestração Resiliente de LLMs: Como Construí uma Engine em Python, PyTorch e DeepSpeed Capaz de Sustentar 1 Milhão de Passos sem Erros de OOM

Orquestração Resiliente de LLMs: Como Construí uma Engine em Python, PyTorch e DeepSpeed Capaz de Sustentar 1 Milhão de Passos sem Erros de OOM Resumo: Treinar grandes modelos de linguagem (LLMs) é uma das tarefas computacionais mais caras e complexas da engenharia moderna. Neste artigo, explico a arquitetura por trás do MEM v3 (Model Execution Manager), uma engine de orquestração cons...

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Developer Experience as a Measurable Outcome
Level Up Coding - Medium • 2026-07-29 19:18

Developer Experience as a Measurable Outcome

Your platform team can’t improve what it doesn’t measure. Here’s the metrics stack that separates signal from vanity.Part 7 of my series on Platform Engineering. Last time, we covered platform team topology and operating models and how to organize humans around platform ownership. This time: making developer experience a measurable outcome instead of a feeling. Follow along for more platform engin...

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Where Every Quantum Architecture Decision Collides: Lessons from the First Movers
Level Up Coding - Medium • 2026-07-29 19:17

Where Every Quantum Architecture Decision Collides: Lessons from the First Movers

JPMorgan ran quantum-secured VPN tunnels for 45 days straight. HSBC got 34% better trade fill predictions. Goldman disbanded its quantum team after an 8-million-qubit reality check. The architecture lessons are already here — if you know where to look.Previously in this series: Parts 0–10 built a quantum-classical integration architecture from first principles: hybrid patterns, control planes, PQC...

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Your Lighthouse Score of 100 Means Nothing
Level Up Coding - Medium • 2026-07-29 19:17

Your Lighthouse Score of 100 Means Nothing

Synthetic vs Real User MonitoringContinue reading on Level Up Coding »

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GPT-Live-1, Interrupted: What OpenAI’s Full-Duplex Voice Model Does
Level Up Coding - Medium • 2026-07-29 19:17

GPT-Live-1, Interrupted: What OpenAI’s Full-Duplex Voice Model Does

It listens while it talks, remembers exactly where you cut it off, and pulled a live web search into the middle of a sentence without a…Continue reading on Level Up Coding »

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