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Pre-launch AI simulations are becoming the new model safety check

The next serious upgrade in AI safety may not look like a bigger warning label. It may look like a rehearsal. OpenAI published new work this week on p…

aiproductivitywebdevtutorial
Dev.to Jun 17, 2026, 08:04 UTC
EN

PostgreSQL vs MySQL for API Automation Workflows

What You'll Need n8n Cloud or self-hosted n8n instance Hetzner VPS or Contabo VPS for self-hosted database deployment DigitalOcean as an alternative h…

tutorialdevopsdatabaseapiintegration
Dev.to Jun 17, 2026, 08:00 UTC
EN

Ollama Structured Outputs in Practice — Getting Type-Safe JSON from Local LLMs with Pydantic

json.loads(response) fails at a certain point. You told the model "return JSON only," but it added a ```json markdown code fence around everything. A …

aillmpythontutorial
Dev.to Jun 17, 2026, 06:38 UTC
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Lesson 1.3 - GraphQL for Screen Complexity and App Changes

Good morning, class! Welcome back. In our last lesson, we explored how GraphQL fundamentally addresses the issues of over-fetching and under-fetching.…

apimobilereactnativetutorial
Dev.to Jun 17, 2026, 05:07 UTC
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Lesson 1.2 - REST Problems and the First GraphQL Fixes

Good morning, everyone! Welcome back. In our previous lesson, we compared REST and GraphQL at a high, architectural level. Today, we are going one lay…

apiarchitecturereactnativetutorial
Dev.to Jun 17, 2026, 04:28 UTC
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How I Store Dates and Money in Financial Applications

PRO TIP! I've been developing a financial records app for the last 30 days. Along the way, I realized there are two fundamental problems that almost e…

androidprogrammingproductivitytutorial
Dev.to Jun 17, 2026, 04:13 UTC
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How much VRAM do you actually need to run Llama 3 or Gemma locally?

Every few days someone in a local LLM thread asks the same question: "will this run on my 3060?" And the answers are almost always vibes. "Should be f…

aimachinelearningllmtutorial
Dev.to Jun 17, 2026, 03:56 UTC
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Sunset Your API Endpoints on Purpose: The Deprecation and Sunset Headers

Killing an API endpoint is easy. Killing it without breaking your consumers is the hard part. Most teams announce a deprecation in a blog post, send o…

apiwebdevtutorialhttp
Dev.to Jun 17, 2026, 02:20 UTC
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Building ccglass: the architecture of a local LLM reverse proxy

The 30-second pitch ccglass is a local reverse proxy that captures LLM API traffic from coding agent CLIs (Claude Code, Codex, DeepSeek, Kimi, etc.) a…

nodeclaudecodeopensourcetutorial
Dev.to Jun 17, 2026, 02:14 UTC
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Your First Java Application — Running Code End to End

You've installed Java. You've written your first "Hello World" class. Now comes the part that actually matters: turning that file into a running progr…

beginnersjavaprogrammingtutorial
Dev.to Jun 17, 2026, 02:01 UTC
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How I Tamed AI API Rate Limits with a Simple Queue

A few months back, I was building a content generation tool. The idea was simple: take a list of topics, hit the OpenAI API, and get SEO-optimized art…

pythonapitutorialproductivity
Dev.to Jun 17, 2026, 02:00 UTC
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D1 read replicas returned stale data for 6 seconds — here's what I measured and how I designed around it

At p99, a D1 read replica in Tokyo was 6.1 seconds behind a write that landed on the Eastern NA primary. I found this out not from the docs, but from …

cloudflareserverlesswebdevtutorial
Dev.to Jun 17, 2026, 01:08 UTC
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Cloud Architect's 2026 Guide to Cheaper, Faster LLM Inference

Cloud Architect's 2026 Guide to Cheaper, Faster LLM Inference Three months ago I opened our quarterly cloud spend dashboard and almost choked on my co…

apiprogrammingtutorialpython
Dev.to Jun 16, 2026, 23:24 UTC
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Foundation vs. Instruct vs. Chat Models: One Question, Three Answers

A hands-on tutorial you can run for free in Google Colab. Run it yourself: open foundation_instruct_chat_tutorial.ipynb in Google Colab and run every …

aibeginnersllmtutorial
Dev.to Jun 16, 2026, 23:08 UTC
EN

Product Launch Telemetry: How AIKit Turns Feature Releases Into Agent-Readable Growth Loops

Product launch telemetry is the bridge between shipping a feature and proving that the feature created growth. AIKit can turn every release into an ag…

webdevproductivitytutorial
Dev.to Jun 16, 2026, 23:04 UTC
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Notion AI's Pricing Trap: Why I Went Open Source Instead

Notion AI's Pricing Trap: Why I Went Open Source Instead I still remember the day my colleague slid a Notion AI invoice across my desk. The number mad…

machinelearningprogrammingtutorialwebdev
Dev.to Jun 16, 2026, 20:21 UTC
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Airtable AI From Scratch: A Freelance Dev's Cost Breakdown

Airtable AI From Scratch: A Freelance Dev's Cost Breakdown I run a one-person shop. No co-founders, no VC money, no "growth team." Just me, my laptop,…

tutorialprogrammingapiwebdev
Dev.to Jun 16, 2026, 19:35 UTC
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**Quick Tip: How to Choose the Right Model for Slack AI Workflows in 2026

Quick Tip: How to Choose the Right Model for Slack AI Workflows in 2026 I've been running Slack-integrated AI workflows in production for about three …

deepseekprogrammingapitutorial
Dev.to Jun 16, 2026, 18:35 UTC
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Developer take on: Running local models is good now

Developer take on: Running local models is good now Forget the days when running powerful AI models required specialized hardware, complex setups, or …

webdevprogrammingproductivitytutorial
Dev.to Jun 16, 2026, 16:35 UTC
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Fair Value Sweep Strategy for Polymarket Trading Bot (5-Min Up/Down) – Taker Edge That Exploits CEX Lead

In my core article Building a Polymarket Trading Bot Architecture: Key Technical Decisions , I showed how to build a modular bot with clean lifecycle,…

automationblockchaincryptocurrencytutorial
Dev.to Jun 16, 2026, 16:34 UTC
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git reflog: Recover Commits You Thought Were Gone Forever

Every git user eventually has that moment. The terminal returns. The working directory looks wrong. You type git log and the last two hours of work ar…

gitproductivitytutorialvcs
Dev.to Jun 16, 2026, 14:36 UTC
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# Building a Confluence MCP Server for Claude Code: From Setup to Skills

Automate your Confluence workflow directly from Claude Code — publish pages, sync content, and upload images without leaving your terminal. GitHub: ht…

automationclaudemcptutorial
Dev.to Jun 16, 2026, 14:32 UTC
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JWKS explained: what every developer should know

When it comes to security, certificates are used everywhere since the early days of the web. While storing them in PEM/DER format has always been comp…

apibeginnerssecuritytutorial
Dev.to Jun 16, 2026, 13:32 UTC
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Connect Claude to Your Files in 10 Minutes (No Code)

The single fastest way to understand why MCP matters is to connect one server and watch your assistant do something it couldn't do a minute earlier — …

aiaitoolsproductivitytutorial
Dev.to Jun 16, 2026, 13:27 UTC
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Your AI Agent Can Run DROP TABLE on Production

Your AI agent just ran DELETE FROM users without a WHERE clause. It was trying to remove a single test account, hallucinated the query, and wiped your…

tutorialmcppostgresdatabase
Dev.to Jun 16, 2026, 13:21 UTC
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Your AI Agent Has Push Access to Every Repo

Your coding agent just merged a pull request to main, deleted three files it thought were unused, and created a new repository called temp-debug-works…

tutorialmcpgithubsecurity
Dev.to Jun 16, 2026, 13:20 UTC
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Your Coding Agent Can Delete Any File on Disk

Picture this. You ask your coding agent to "tidy up the config files." It interprets that broadly. It overwrites .env with what it thinks the defaults…

tutorialmcpfilesystemsecurity
Dev.to Jun 16, 2026, 13:20 UTC
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Your AI Agent Can Delete Every Container on Your Machine

Your AI coding assistant just wiped your local Docker environment. You asked it to "clean up that test container," and it decided to be thorough — rem…

tutorialmcpdockerinfrastructure
Dev.to Jun 16, 2026, 13:19 UTC
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Your AI Agent Can Delete Your DNS Records

Your AI agent just deleted the A record for your production domain. It was trying to "clean up stale DNS entries" after you asked it to audit your Clo…

tutorialmcpcloudflareinfrastructure
Dev.to Jun 16, 2026, 13:19 UTC
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How I Architected a 99.9% Uptime RAG Stack with DeepSeek — 2026 Guide

How I Architected a 99.9% Uptime RAG Stack with DeepSeek — 2026 Guide I lost sleep over a single p99 spike last March. Our retrieval-augmented generat…

webdevaitutorialpython
Dev.to Jun 16, 2026, 11:40 UTC

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