124,606 articles

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124,606 articles · Updated every 3 hours

All ⚡ AI Lessons (19530) ArXiv cs.AIDev.to AIDev.to · FORUM WEBForbes InnovationMedium · ProgrammingMedium · AI
Trained, Not Prompted: Why Fine-Tuned Models Beat LLM Wrappers for Offensive Security
Dev.to · Vext Labs Inc 1d ago
Trained, Not Prompted: Why Fine-Tuned Models Beat LLM Wrappers for Offensive Security
The market is flooded with 'AI pentest' products that are just prompt wrappers around commercial LLMs. Here's why VEXT takes a fundamentally different approach.
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Medium · SEO 1d ago
¿Comprar enlaces baratos sale caro? La realidad actual
En el competitivo escenario del SEO en España, la búsqueda de atajos suele ser la antesala de problemas estructurales graves. En 2026, la… Continue reading on M
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The Dead Letter Queue Pattern: 200 Lines That Save Your Friday
Dev.to · Gabriel Anhaia 1d ago
The Dead Letter Queue Pattern: 200 Lines That Save Your Friday
A poison message stalls the main queue at 5:47 PM. The DLQ pattern is the 200 lines that keep your weekend yours.
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The 4 Postgres Extensions That Stopped Being Optional in 2026
Dev.to · Gabriel Anhaia 1d ago
The 4 Postgres Extensions That Stopped Being Optional in 2026
pgvector, pg_stat_statements, pg_cron, pg_trgm. Four extensions, four production pains, and the CREATE EXTENSION lines you keep forgetting.
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Stop Caching the Whole LLM Response. Cache the Embedding.
Dev.to · Gabriel Anhaia 1d ago
Stop Caching the Whole LLM Response. Cache the Embedding.
Exact-match response caches hit 4% of the time. Embedding-keyed caches hit 60%. Here is the 70-line implementation and the cost-shape that justifies it.
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The Idempotency Token Pattern Every Event-Driven System Forgets Until 3 AM
Dev.to · Gabriel Anhaia 1d ago
The Idempotency Token Pattern Every Event-Driven System Forgets Until 3 AM
Picture a replayed Kafka batch that charges customers twice. The fix is a 60-line idempotency wrapper. Here is the contract every event consumer needs.
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Hybrid Search Is the Phrase You'll Hear at Every RAG Talk in 2026
Dev.to · Gabriel Anhaia 1d ago
Hybrid Search Is the Phrase You'll Hear at Every RAG Talk in 2026
Pure dense retrieval misses proper nouns. Pure BM25 misses paraphrase. The 50-line pgvector + tsvector + RRF pattern that fixes both.
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The 3 Alerts Every LLM Team Should Have Set Up by Tomorrow
Dev.to · Gabriel Anhaia 1d ago
The 3 Alerts Every LLM Team Should Have Set Up by Tomorrow
Per-trace cost ceiling, judge-score drift, retrieval-relevance drop. The OTel attributes, the queries, and the Python emitter that powers them.
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How are you managing git & gh access with Agents?
Dev.to · Ryan Swift 1d ago
How are you managing git & gh access with Agents?
TLDR - I want to steal your Git workflows for agents. I talk about some of my config and setup...
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What does it mean to have a “chess personality?”
Medium · Data Science 1d ago
What does it mean to have a “chess personality?”
What kind of player are you? How do we tell? Continue reading on Medium »
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The 6-Line Postgres Migration That Halved a Team's LLM Bill
Dev.to · Gabriel Anhaia 1d ago
The 6-Line Postgres Migration That Halved a Team's LLM Bill
A team I talked to cut their monthly LLM spend in half with a six-line Postgres migration and twenty extra lines in their handler. Here it is.
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Your AI Agent's First Tool Call Should Never Be a Write
Dev.to · Gabriel Anhaia 1d ago
Your AI Agent's First Tool Call Should Never Be a Write
Why agents should always read before they write, and a one-decorator pattern that enforces it on the trace level.
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The 100-Line LLM Cache That Pays For Itself in a Week
Dev.to · Gabriel Anhaia 1d ago
The 100-Line LLM Cache That Pays For Itself in a Week
Hash keys, TTL, LRU, and a semantic-similarity fallback in 100 lines of Python. Cache pays for the half-day of writing it inside a week.
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The Single Unit Test Every LLM Prompt Should Have
Dev.to · Gabriel Anhaia 1d ago
The Single Unit Test Every LLM Prompt Should Have
Most prompt tests catch nothing. The structural assertion that survives model bumps, and the brittle one that breaks every Tuesday.
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Postgres 18 Just Made 80% of Your NoSQL Migration Plan Pointless
Dev.to · Gabriel Anhaia 1d ago
Postgres 18 Just Made 80% of Your NoSQL Migration Plan Pointless
PG18 closed the gap with Mongo, Dynamo, and Cassandra on five fronts. Where it wins, where NoSQL still wins, and a JSONB query that proves it.
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Medium · ChatGPT 1d ago
I Replaced My Personal Assistant With AI — Here’s What Happened
I’ve had personal assistants before. For real. And the truth is they’re not always available when you need them. Half the time I end up… Continue reading on Med
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Hijack (THM) Tryhackme Writeup and Answer
Medium · Cybersecurity 1d ago
Hijack (THM) Tryhackme Writeup and Answer
Description : Misconfigs conquered, identities claimed. Continue reading on Medium »
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The Discord Prompt-Injection Disclosure That Should Have Been Bigger
Dev.to · Gabriel Anhaia 1d ago
The Discord Prompt-Injection Disclosure That Should Have Been Bigger
An agent leaked secrets to a Discord channel via a link preview. Walk the timeline and the 30-line egress filter that would have stopped it.
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Anthropic's MCP Changelog Reads Like a Bug Bounty in Slow Motion
Dev.to · Gabriel Anhaia 1d ago
Anthropic's MCP Changelog Reads Like a Bug Bounty in Slow Motion
Read the MCP changelog as a security narrative. The quiet fixes, the by-design flaws, and a 25-line monitor for production servers.
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RAG (Retrieval-Augmented Generation), Won Here’s Why Everything Else Failed….
Medium · Machine Learning 1d ago
RAG (Retrieval-Augmented Generation), Won Here’s Why Everything Else Failed….
Continue reading on Medium »
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RAG (Retrieval-Augmented Generation), Won Here’s Why Everything Else Failed….
Medium · RAG 1d ago
RAG (Retrieval-Augmented Generation), Won Here’s Why Everything Else Failed….
Continue reading on Medium »
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The 2-Line Defense That Stops 90% of Real-World Prompt Injection
Dev.to · Gabriel Anhaia 1d ago
The 2-Line Defense That Stops 90% of Real-World Prompt Injection
A system-prompt clause and an output check stop most attacks (industry rule-of-thumb, not a benchmark). The five patterns they don't stop, so you know the limit
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Cross-Domain Innovation: From Applied AI to Pure Mathematics
Medium · Deep Learning 1d ago
Cross-Domain Innovation: From Applied AI to Pure Mathematics
Frank Morales Aguilera, BEng, MEng, SMIEEE Continue reading on AI Simplified in Plain English »
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Why Every RAG Company Is Quietly Building a Graph Layer in 2026
Dev.to · Gabriel Anhaia 1d ago
Why Every RAG Company Is Quietly Building a Graph Layer in 2026
Vector RAG hits a ceiling on enterprise corpora. A graph layer fixes entity disambiguation, multi-hop, and relationship reasoning.
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