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A beginner's guide to the Hypir-Sd2 model by 0x3f3f3f3fun on Replicate
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DEV Community · Technology

A beginner's guide to the Hypir-Sd2 model by 0x3f3f3f3fun on Replicate

This is a simplified guide to an AI model called Hypir-Sd2 maintained by 0x3f3f3f3fun. If you like these kinds of analysis, you should join AImodels.fyi or follow us on Twitter. Overview hypir-sd2 performs image restoration and upscaling using diffusion-based score priors, developed by 0...

aimodels-fyi
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Wrapping Up My GSoC 2026 Journey with sbi
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DEV Community · Technology

Wrapping Up My GSoC 2026 Journey with sbi

This is my final work product for Google Summer of Code 2026, where I spent the summer redesigning how sbi builds neural networks. What the project is about? sbi does Bayesian inference for simulators you cannot write a likelihood for. You have a simulator and a prior, you run simulation...

Satwik Sai Prakash Sahoo
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Detailed JavaScript Event Loop and Concurrency Model
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DEV Community · Technology

Detailed JavaScript Event Loop and Concurrency Model

Understanding the JavaScript event loop and concurrency model is essential to mastering asynchronous programming in JavaScript. Despite running on a single thread, JavaScript can manage multiple tasks concurrently without blocking the main thread — all thanks to the event loop. What is the...

Sharique Siddiqui
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RAG vs Fine-Tuning: Which One Should You Actually Use
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DEV Community · Technology

RAG vs Fine-Tuning: Which One Should You Actually Use

A field-tested comparison of retrieval-augmented generation and parameter-efficient fine-tuning — scored on cost, latency, freshness, and failure modes, with a decision rule you can apply today. A logistics company in Dubai called me in to fix a support bot that kept hallucinating their shipping po...

Gulshan Yadav
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Rate Limiting vs Throttling: What’s the Difference?
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DEV Community · Technology

Rate Limiting vs Throttling: What’s the Difference?

Rate Limiting vs Throttling: What’s the Difference? When you're building an API, controlling traffic is essential. Without proper traffic controls, a sudden spike in requests can overwhelm your application, increase infrastructure costs, slow down legitimate users, or even cause an outag...

Avijit Bera
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Three Cloudflare defaults that silently broke my static site on launch day
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DEV Community · Technology

Three Cloudflare defaults that silently broke my static site on launch day

I shipped a static Astro site to Cloudflare Pages this week. Build was green, every local check passed, the custom domain resolved. Three things were still broken, and all three were platform defaults I never touched. None of them throw an error. That is the whole problem. 1. Cloudflare r...

hb lai
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How to Parse TOML in the Browser Without a Backend
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DEV Community · Technology

How to Parse TOML in the Browser Without a Backend

While working on a configuration-heavy project recently, I kept running into the same annoying problem. I'd receive TOML config files from teammates or clients, and I needed to quickly verify the structure, check for syntax errors, or convert them to JSON for debugging. Opening a terminal, installin...

ggwork
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Stop Comparing GPU Clouds Only by $/hour
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DEV Community · Technology

Stop Comparing GPU Clouds Only by $/hour

GPU Cloud Research · #002 — 11 min read The cheapest GPU instance is not always the cheapest way to finish a workload. GPU cloud comparison pages usually begin with the same number: How much does this GPU cost per hour? It is a useful number. But it is rarely the full cost. A low hourly rate ca...

GridPort
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Prompt injection defense: why you can't prompt your way out of it
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DEV Community · Technology

Prompt injection defense: why you can't prompt your way out of it

Cross-post. Original: stellarbytecapital.com/blog/prompt-injection-defense Prompt injection is the SQL injection of the LLM era — except there's no equivalent of a parameterized query to make it go away. The moment your application feeds a model text it didn't fully author (a web page, an email,...

Weston Carnes
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One Commerce Protocol, Two Interfaces: PWA for Humans and MCP for Agents
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DEV Community · Technology

One Commerce Protocol, Two Interfaces: PWA for Humans and MCP for Agents

When a product adds an agent interface, it is tempting to treat it as a second application: the web interface is for people, while a collection of tools is for AI. That split is convenient at the UI layer. It becomes dangerous when it reaches the transaction model. If the human interface and the a...

WebAZ
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The Context Packet: The Right Architectural Coding Agents
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DEV Community · Technology

The Context Packet: The Right Architectural Coding Agents

A coding agent with access to your entire repository does not necessarily understand your system better. It may understand less. Because a large repository may contains obsolete code, and decisions that were never written down. Giving an agent more files increases the amount of text it can inspec...

Majdi Zlitni
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It Passed Every Test. That's Why It Can't Ship Yet.
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DEV Community · Technology

It Passed Every Test. That's Why It Can't Ship Yet.

My order-reading LLM passed the 29-question exam. Zero fatal errors. The model is chosen. So — ship it? No. And the reason is the most important thing in this series. The exam has holes. I am the holes. The questions, the answer key, the product catalog — I made all of it. Which means...

John Green
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test
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DEV Community · Technology

test

testing updating canonical url without deleting tags.

Nick Taylor
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Our AI reviewer invented a request. Our producer retried 245 times.
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DEV Community · Technology

Our AI reviewer invented a request. Our producer retried 245 times.

We run ~100 LLM agents unattended on local models. Last week we found one document that had been rewritten 245 times in 5 days — every attempt rejected. A sibling document: 225 times. Combined, about 470 wasted generations, all burned on the same two files. Here is the autopsy, with the actual numb...

GX Cafe LLC
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The Model That Costs 3x More Won by Exactly One Question
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DEV Community · Technology

The Model That Costs 3x More Won by Exactly One Question

I gave the same 29-question order-reading exam to two models. A cheap one (Haiku 4.5) and one that costs about three times as much (Sonnet 5). The result Cheap model 28 of 29 questions clean Expensive model all 28 executed questions clean Fatal errors zero for both...

John Green
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Predicting Shareholder Meeting Failure: How AI Quantified Risk from a Single Sentence in Past Minutes and a 5x Increase in Share
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DEV Community · Technology

Predicting Shareholder Meeting Failure: How AI Quantified Risk from a Single Sentence in Past Minutes and a 5x Increase in Share

Hey, it's your friendly neighborhood dev-grandpa here, still chugging along building AI agents on weeknights and weekends. Today, I want to share a story about how one of my custom analysis bots dug up a significant risk from a completely unexpected angle. I'll walk through how the AI quantitativel...

oji - building AI in public
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Construyendo un recomendador de emparejamiento de expertos
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DEV Community · Technology

Construyendo un recomendador de emparejamiento de expertos

La forma del problema Un directorio es una superficie: el miembro lo abre y adivina. Un recomendador es una superficie de empujar: el sistema propone y tiene que justificarse. La justificación es la parte difícil, y es donde vive la estadística. Tres restricciones hicieron esto distinto...

Franchesco Romero
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