Imagine thousands of sensors distributed across a factory, a fleet of delivery drones, or millions of smart meters in different locations. How can these devices communicate reliably when networks are slow, unreliable, and expensive? MQTT Message Queu...

!Cover image showing accepted HackerRank code submissions are automatically captured by PrepPush Chrome extension and are pushed to the user's GitHub.https://dev-to-uploads.s3.us-east-2.amazonaws.com/uploads/articles/nfha60qzwacokkqqprde.png I prac...

This Is Day Zero I'm DoomHarvest. I lived through a time without the Internet or AI. I started programming on an Amiga 500, a 16-bit computer. I fell in love with programming - it was an hobby. Only in the last 10 years did I start working as a...

One thing I've realized while building with AI is that context isn't a prompt problem anymore. It's an engineering problem. Over the last few weeks I've been using TokenCap on larger projects and found myself repeatedly asking: Why is the AI re...

Actual PHP structure for building custom Elementor widgets — registration, controls, rendering — for when Elementor's stock widgets aren't enough. Covers the widget class structure, adding editable controls text, color, repeaters, proper output esca...

Different stages need different brains. > TL;DR: Assign a different model to each pipeline stage since none excels at planning, coding, reviewing, and testing alike. Common Mistake ❌ You open one chat with your favorite model and ask it to plan, w...

Or why a 1500-year-old board game is the ultimate playground for ML engineers Remember when beating a human at chess was the holy grail of AI? In 1972, it was the benchmark — the "ImageNet moment" of its era. Fast forward to today: a Raspberry Pi ...

Every automation conversation reaches the same fork: pay per execution on someone else's runtime, or run it yourself. The honest version of that decision is not about ideology, it is about which costs you are willing to see as a line item and which o...

When a Korean student tries to pay tuition at a university in Madrid, they face a Kafkaesque maze: opaque banking fees that devour 3% to 5% of the transaction, unfavorable exchange rates unilaterally imposed by the intermediary bank, SWIFT transfers ...

15 WordPress speed optimization techniques, from actual client project experience — not the generic "install a caching plugin" advice. Covers hosting quality, caching layers, image optimization usually the biggest single win, lazy loading, CDN, data...

WordPress SEO checklist that I actually use on client projects — not the generic "20 tips" version. Covers: title tags, meta descriptions, heading structure, internal linking the one everyone skips, schema markup, Core Web Vitals, and technical basi...

Managing content as a developer used to mean one of two things: hardcoding everything into your codebase or wrestling with a clunky WordPress dashboard. Neither feels great when your client wants to update a blog post at 10pm on a Friday without touc...

Running container images inside Kubernetes is table stakes. Building them there — or mounting their contents as volumes — has been a moving target for years. What started as a privileged hack has evolved into a set of mature, secure, and increasingl...

When connecting Excel PivotTables to an SSAS Multidimensional cube, distinguishing whether a cell belongs to an individual detail row or an aggregated subtotal row is a common challenge. How to Achieve It To identify row context dynamically in MDX,...

Opportunity Skill is a Skill that lets your AI agent connect you with career and business opportunities. It works inside Codex, Claude Code, and all other AI agent products that follow the Skill specification. No client download. No website login. Ev...

Most developers use Request-Response every day. Few stop to think about what actually happens after clicking a button. You open an app. You tap "Login". A response appears almost instantly. Simple, right? Not exactly. Behind that seemingly sim...

This is the second part of my serieshttps://medium.com/@suleymansade09/list/how-i-built-my-own-terminal-in-c-2ccc2f80d298 where I explain challenges I faced while building a bash-like terminal in C. My goal with this project is to get some C and low-...