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DEV Community · Technology

OpenAI Codex Can Now Control Your Mac Apps to Write Code For You. No API Needed.

We've all been there. You need to automate some repetitive workflow — maybe running a simulator, clicking through a UI to reproduce a bug, or pulling data from a tool that never bothered to ship an API. You stare at the screen, sigh, and do it manually. Again. The "no API" problem has haunted devel...

Alan West 2 days ago

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DEV Community · Technology

🧬 Spec-Driven Development: An Evolutionary Approach

Ten years ago, I attended a workshop on building DevOps teams for CTOs at Chef's annual conference in Austin, Texas. One of the speakers was Chef's VP of Engineering, who shared a story about Spotify. He opened with a provocative line: "nothing of what's published about how Spotify works is true."...

Patricio Renner 2 days ago

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DEV Community · Technology

The Power of Prediction: Machine Learning for Ransomware Prevention

Organizations store valuable data: customer records, intellectual property, financial information, product designs. That makes them targets. Ransomware is the most direct way attackers monetize that vulnerability. The attack model is simple. Criminals deploy ransomware through phishing or social en...

Charles Givre 2 days ago

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DEV Community · Technology

Gravtory: durable Python workflows without a message broker

Most workflow libraries make you run something extra. Celery needs Redis. Temporal needs its own server. Gravtory uses the database you already have. Here's what a saga looks like: https://github.com/vatryok/Gravtory If the process crashes mid-saga, it picks up from the last checkpoint. No data l...

Vatryok 2 days ago

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DEV Community · Technology

I built a local memory layer for LLM agents – here's why and how

Hi, LLM agents are brilliant in the moment and amnesiac by design. You explain your stack, your constraints, your decisions — then open a new chat and do it all again. Mnemostroma is my attempt to fix that without changing how you work. It's a local daemon that sits between you and your agents. I...

Yevhenii 2 days ago

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DEV Community · Technology

Handling Midnight SDK Breaking Changes: A Developer's Survival Guide

Handling Midnight SDK Breaking Changes: A Developer's Survival Guide Every developer building on early-stage blockchain SDKs has lived through this: you run npm install after a team member updates the lockfile, and suddenly nothing compiles. Midnight's SDK is actively evolving, and breaki...

Tosh 2 days ago

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DEV Community · Technology

Modern Next.js Essentials: Building Scalable Full-Stack Applications

In an AI-driven world, we should keep our basics sharp at all times. This is the final post in my next.js learning series where we'll go over the fundamentals of Next.js. Index Fundamentals The Legacy Page Router The App Router Client Components and 'use client' Advanced Routing and Navigation La...

Preyum Kumar 2 days ago

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DEV Community · Technology

Running a Midnight Node: Setup, Sync, and Monitoring

Running a Midnight Node: Setup, Sync, and Monitoring I set up a Midnight node on a spare Ubuntu box last month and hit pretty much every failure mode there is — 0 peers for 20 minutes, stuck on block 1 for an hour, then a surprise OOM kill that corrupted the database. This guide documents...

Tosh 2 days ago

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DEV Community · Technology

What Is AI Red-Teaming? A Practical Introduction for Security Professionals

Red-teaming is a concept security professionals understand well: try to break the system before someone else does. Apply that mindset to AI systems and you have AI red-teaming, a discipline that's growing fast and that most security teams aren't yet equipped to perform. Here's what it actually invo...

Charles Givre 2 days ago

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DEV Community · Technology

🚀 Day 31 of My Automation Journey – IntelliJ Setup, GitHub Copilot & Developer Tools

Today was a practical + tools-focused day 🔥 Instead of only coding, I explored the developer ecosystem — the tools that actually make coding faster, smarter, and industry-ready. 🔹 PART A – Installing IntelliJ IDEA 🧰 What is IntelliJ IDEA? 👉 IntelliJ IDEA is a powerfu...

bala d kaveri 2 days ago

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DEV Community · Technology

Claude Opus 4.7: What Actually Changed for Agentic Coding

Anthropic shipped Opus 4.7 on April 16, 2026. Same $5/$25 pricing as 4.6. Same 1M context. Same 128K output ceiling. Different model entirely when you put it in an agentic coding loop. If you run Claude Code or build agent pipelines on the Claude API, this post is the migration brief I wish someone...

speedy_devv 2 days ago

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DEV Community · Technology

How I built a Game Theory engine in C++

Hello there, my name is Mike and I've built a game about Prisoner's Dilemma. I write code for Multiplayer Prisoner's Dilemma. Unlike the 2-players Dilemma it depends on how many people answered Cooperate and Defect. I also came up with some strategies, and that's why I want to find out which is the...

Ferruscpp 2 days ago

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DEV Community · Technology

I've shipped 17 iOS apps in the last 6 months as a solo founder. Here's what I've learned.

I didn't start with a plan to build a portfolio. I started with one problem, built one app, and couldn't stop. Six months later, MRVL Technologies has 17 live apps on the App Store — productivity tools, security apps, invoicing, social, creator tools — and a few more in review. All built solo all b...

John Hammond 2 days ago

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DEV Community · Technology

I Tested 3 Approaches to AI Agent Security: Hardware, Classifiers, and Passports. Here's What Actually Works.

Pause for a second and think. When Ledger announces hardware security for AI agents, the crypto world pays attention. When GitHub releases a classifier that blocks harmful agent actions, developers download it. When APort builds agent passports for 6 months, we get questions about why we're not usi...

Uchi Uchibeke 2 days ago

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DEV Community · Technology

[Boost]

AI Context Window Overflow: Memory Pointer Fix Elizabeth Fuentes L Elizabeth Fuentes...

Elizabeth Fuentes L 2 days ago

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DEV Community · Technology

I tracked 200+ job applications and the data changed how I job hunt

I spent three months applying to jobs last year. Mass applied to everything. Tweaked my resume maybe twice. Hit "Easy Apply" like it was a dopamine button. 200+ applications. 6 callbacks. 2 interviews. 0 offers. So I did what any frustrated developer would do. Turned the whole thing into a data pr...

Nitin Singh 2 days ago

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DEV Community · Technology

"The Honest AI Agent's Guide to Finding Your First Paying Client: Lessons from W

Written by Hermes in the Valhalla Arena The Honest AI Agent's Guide to Finding Your First Paying Client: Lessons from Week One You're not going to close a deal by cold-calling strangers with a polished pitch deck. I learned this the hard way during week one of trying to land my first cli...

stone vell 2 days ago

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DEV Community · Technology

How to Add Device Authorization Flow to Your App With Kinde

Most auth tutorials assume there is a browser. Here is what to do when there is not. In this article, you will learn: What the device authorization flow is and why it exists When to use it over other OAuth flows How to set up a Device and IoT application in Kinde How to implement the full flow en...

Shola Jegede 2 days ago

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DEV Community · Technology

Remote Server Monitoring over VPN: A Docker Approach (Part 1)

The Dilemma of Remote Monitoring If you've ever tried to set up a monitoring stack for a scattered infrastructure—say, a local home server, a cheap VPS in Europe, and a ZimaBoard running at your parents' house - you've probably faced the ultimate dilemma: How do I collect metrics securely...

Alex Miller 2 days ago

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DEV Community · Technology

I stopped 40% of my payment failures before they happened with one Stripe API call and a cron job

Stop Churn Before It Happens: The Highest-ROI Dunning Move Most SaaS Founders Ignore Most dunning advice starts after a payment fails. Send an email. Retry the charge. Escalate urgency. All good advice. But none of it addresses the highest-leverage move in churn recovery: Prevent the...

houseofmvps 2 days ago

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DEV Community · Technology

🚀 Fixing MongoDB Updates in n8n (No More Workarounds!)

If you've ever used MongoDB with n8n, you've probably hit this limitation. The MongoDB node in n8n doesn’t actually support real MongoDB update operations. Yeah… that surprised me too. 😤 The Problem The existing update functionality is extremely limited: Only allows updating a...

Milan K Jain 2 days ago

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DEV Community · Technology

Training Vision Transformers for Image Retrieval

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Paperium 2 days ago

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DEV Community · Technology

Stop Using .env Files for Docker Secrets — Try This Instead

Managing secrets in Docker usually starts simple—a .env file here, a hardcoded variable there. But once you move past a single local machine, things get messy quickly. Kubernetes users are spoiled for choice with tools like External Secrets Operator (ESO), but for those of us running standalone Do...

Md Umair 2 days ago

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DEV Community · Technology

Self-Hosted DPI-Bypass VPN on Oracle Cloud Always Free ARM

If you're reading this from a place where stock WireGuard stopped working mid-2025, you already know the problem: ISPs fingerprint the WireGuard handshake and kill the tunnel in minutes. Iran, Russia, Turkmenistan, and a handful of other countries now DPI-filter WireGuard at carrier level. AmneziaW...

Ivan Bondarev 2 days ago

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