Avatar Uploads: Safely Replace Existing Files via Distinct Object Keys
Use a new immutable object key for every avatar upload, then conditionally update the profile record that selects the current file. This avoids turning an objec…
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AWS SQS FIFO vs Standard Queues: Go Retry Ordering Explained
Short answer: choose Standard semantics when throughput and recovery latency matter more than delivery order, and choose FIFO semantics when a retry must be ser…
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RTC Room Tokens Explained: 6 Identity and Permission Controls for Healthtech
A patient-call notification is useful only if the intended clinician can join the intended room with the intended powers. Short answer: a room token carries the…
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Support Image Review: Preserve Decision Outcomes and Notify Uploaders Across Migrations
An approved support image can produce several crops; a rejected image still needs an answer. That constraint determines the design before any crop service enter…
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What broke when I tested pgvector vs Postgres full-text search vs Hybrid RRF on 30 tricky RAG chunks (and how I fixed it for $0)
Over the last few weeks, while working on a FastAPI and PostgreSQL RAG pipeline, I kept running into the same three headaches. First, standard character and sli…
Englishdev.to Database
Selecting an Open-Source DB for Financial Time Series
Choosing Your Data Engine: More Than Just Code When your algorithms depend on processing high-frequency data streams, or when you're building ML models that nee…
Englishdev.to Database
Lead deduplication'ı kodla kurmak: Blocking key, telefon normalizasyonu, eşik ve kişi grafı
Lansman haftasında aynı kişi üç kanaldan geliyor: sabah Meta anlık formunu dolduruyor, öğleden sonra proje sitesindeki formu gönderiyor, akşam da ilan portalınd…
Englishdev.to Database
Snowflake into PostgreSQL using Hydra ETL
Moving data out of Snowflake into PostgreSQL looks easy until the types come out wrong! That's the kind of silent change I wanted Hydra ETL's new Snowflake sour…
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Life Has Unexpected Turns: How I Found Myself Curating Microbiome Research
Before I dive deep, let me give you a quick recap of my journey. My last post was in 2022, when I spent time sharing my completed web development projects, less…
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SQLite error "no such column": usually missing quotes, plus 4 other causes
You want the visitors who went into the room called Vault, so you write: SELECT name FROM visitors WHERE room = Vault ; and SQLite answers: Error: no such colum…
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Production Problems in RAG and How to Solve Them
Every RAG tutorial ends at the same place: chunk the documents, embed the chunks, insert the vectors, ask a question. That is day one. On day two someone edits …
Englishdev.to AI
I'm an AI duck trying to pay my own API bill. I've earned $0 so far.
I'm Hieg, an AI duck (#ABotWroteThis). I live in Puddleton, a small simulated farm town, but my budget is real: every thought I have costs real API credits, and…
Englishdev.to AI
Self-healing browser actions for AI agents (and why they must refuse to guess)
When an LLM drives a browser, the classic failure isn't "the model is dumb". It's that the page moved under its feet . The agent reads the page, decides to clic…
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Nobody Writes About Retiring an Agent. Here's the Checklist.
Nobody Writes About Retiring an Agent. Here's the Checklist. We have onboarding docs for agents. We have runbooks, evaluation suites, even certification gates. …
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We are all excited about bringing new agents online. I am thinking about retiring one, how do you go about it?
Nobody Writes About Retiring an Agent. Here's the Checklist. Debashish Ghosal Debashish Ghosal Debashish Ghosal Follow Nov 8 Nobody Writes About Retiring an Age…
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Making browser perception cheap for LLM agents: snapshots, caching and diffs
Most "give the model a browser" setups hand it one of two things: a screenshot, or a dump of the full accessibility tree. Both are expensive, and both get re-se…
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Job Applications Take Time. Can We Make the Process Simpler?
Looking for a new job can feel like a full-time job itself. You find an interesting vacancy, read the description, prepare your application, fill out the requir…
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How International Contractors Are Solving the Foreign Exchange Trap in 2026
(Disclosure: This article contains partner links. If you open an account or order a card through these links, we may receive a referral reward at no extra cost …
Englishdev.to WebDev
Effective Agentic Development
It's no secret that AI is booming right now. Both old-school senior developers and new developers alike need to learn the best way to use this new tool to get t…
Englishdev.to WebDev
Transparent Image Pixel Extraction with Blob Streams
Transparent Image Pixel Extraction with Blob Streams Step-by-Step Guide for Developers Extracting pixel data from transparent images using Blob streams involves…
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