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TL;DR: I extracted “sandbagging directions” from three open‑weight models and trained linear probes that detect sandbagging intent with 90‑96 % accuracy. The mo...

Introduction A few years ago, I caught myself thinking: > “If I were better, I’d already know this.” I was stuck debugging something I believed I should have u...

markdown !Cover image for Practical GPS Tracker with XIAO ESP32‑S3 & Geofencinghttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,...

The basic idea Normally, you access attributes like this: python p.name That works only if you know the attribute name at coding time. getattr lets you do the...

The Problem with Cloud Processing Most “free” online file converters are a privacy nightmare. When you upload a PDF or an image to a service like ConvertMyFile...

!Cover image for CSS‑in‑TS – a way to improve Development Experiencehttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,format=auto...

Overview KASDVSO is an experimental scripting language runtime written in Rust. It focuses on the KAS language itself, without including packages or tooling. F...

What is the Vanishing Gradient Problem? In neural networks, the gradient tells the network how much to change each weight to reduce the error. If the gradient...

!Cover image for Absurd First, Inevitable Later: Building in the AI Erahttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,format=a...

Overview If you want to pull Docker images from Amazon ECR Public using IPv6 e.g., to avoid public IPv4 addresses and reduce costs, you need to use the newer d...

Introduction Most developers hear the word POSIX and immediately tune out. It sounds old, but the uncomfortable truth is that if you use Linux, macOS, Docker,...

Introduction I recently watched a video by Akshay Saini titled “The Software Engineer Who Will WIN in 2026,” and it hit home. As developers, we often get stuck...

!Cover image for Ethereum-Solidity Quiz Q7: What is the 'solc optimizer' in Solidity?https://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity...

The Goose 🦆 Backlog‑Solver As AI agents grow in capability, more people feel empowered to code and contribute to open source. The ceiling feels higher than ev...

Have you ever taken a small idea and deliberately made it more complex, not to overengineer it, but to understand how real systems actually work? That’s exactly...

Accepting payments should be easy. Yet every time I started a new side project or SaaS, I found myself stuck choosing between: - Copy‑pasting PayPal buttons fro...

Overview Galactica is a language model designed to store, combine, and explain scientific facts, enabling users to quickly discover insights. It has been train...

How Smart Wearables Make a Difference - Body Cameras – Give supervisors visual context during critical situations, allowing faster, safer responses. - Smart Ba...

Introduction As applications scale, the need for robust, secure, and maintainable APIs grows rapidly. This article explains what makes Laravel 12 special, why...

The first time I programmed a computer was in Microsoft BASIC back in the late 1970s—when the company was still called Micro‑Soft. Fast forward to today, and he...

What Happened? Imagine you have a table called organizations full of precious data. You decide to add a new column called plan. If you add it as NOT NULL, ever...

Step 1: Helping Users Find the Right Dashboard - Clarify what the dashboard is for - Identify who it’s intended for - State how often it’s updated - Communicat...

At some point in most analytics roles, you realise that the biggest risk to a dashboard isn’t poor visual design—it’s unclear data. Calculated fields that aren’...

GitHub Home The Lesson I Learned the Hard Way About ten years into my career, I experienced a security incident that still gives me chills. We were developing...

Creating Dashboards That Guide Users to Insight Creating dashboards isn’t just about visualizing data. It’s about guiding users efficiently to the insights the...

What Are Bloom Filters? Bloom filters are a probabilistic data structure that use a bit array and hash functions to reduce the load on main databases. You migh...

The Bubble Is Labor: AI as Capital’s Path to Doing the Work Itself Companies don’t hire people because they want to. They hire people because founders can’t do...

Introduction Getting access to high-quality healthcare datasets is extremely difficult—think Fort Knox. The data includes X‑rays, genomic information, and pati...

Machine Learning Operations MLOps as a Service Machine learning models are at the heart of AI‑driven solutions, but the deployment process often slows down the...

AWS Well-Architected Framework The AWS Well‑Architected Framework provides guidance for building cloud architectures that are secure, resilient, efficient, cos...

Quick Summary If you have set out on using a design system for your website without the help of any popular framework or library—just pure CSS—you've come to t...

Introduction The TCP/IP model is the backbone of modern networking. It defines a wide range of protocols that allow devices to communicate across vast networks...

🏦 Business Scenario Very Common in FinTech Imagine a payment processing service. Before processing a payment, the system must validate: - Account Status activ...

Overview A security automation tool that scans API endpoints to identify unauthenticated access vulnerabilities. It tests various HTTP methods and authenticati...

'Hyperlane Middleware – A Fresh Take on Middleware Design GitHub Homehttps://github.com/hyperlane-dev/hyperlane

GitHub Home I remember a few years ago I was leading a team to develop a real‑time stock‑ticker dashboard. 📈 Initially, everyone's enthusiasm was incredibly h...

!Cover image for 🚀 Twenty | Open-Source, Fully Customizable CRMhttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,format=auto/htt...

Pipeline Configuration Options - Build Discarder: Keeps the last 5 builds and artifacts. - Timestamps: Adds timestamps to the build log. Environment Variables...

If you are a developer applying for jobs and getting no replies, this post might sting a little. Because the first person reviewing your resume is not a recruit...

The Lost Art of Communication in Entertainment I've been exploring the intricacies of our digital lives lately and it hit me like a ton of bricks: we’ve lost s...

markdown !Prashant Guptahttps://media2.dev.to/dynamic/image/width=50,height=50,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%...

The Instability Problem Ask the same question to AI twice. You'll get different answers. Not wrong answers—just inconsistent. Different emphasis, different str...

When I first started working with Next.js, I loved how fast it was out of the box. As the project grew, the bundle size kept increasing, leading to slower load...

Data Leakage pada Machine Learning Sering kali mentee melakukan kesalahan dasar dalam alur kerja Machine Learning: Exploratory Data Analysis EDA → preprocessin...

Scope & Ethics This article documents testing performed only inside an intentionally vulnerable Kali Linux class lab. All activities were authorized and execut...

Quick Summary Komari is a lightweight, self‑hosted server monitoring tool that provides a web interface for viewing server status and collects data via a light...

!Cover image for I Built DevTrace — A Community for Developers Who Build in Publichttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=au...

The discovery and harnessing of electricity transformed human civilization in profound ways, from lighting our homes to powering machines, and ultimately leadin...