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Every mobile developer eventually hits the same wall: the app works perfectly when the user is looking at it. But the moment they press the home button, everything stops. A sync that should have compl

When a product has a single checkout, payment logic is usually simple: charge the user, mark the order as paid, and move on. But once the business model includes a deposit now, a balance later, and re

Modern applications often expose metrics at a /metrics endpoint using the Prometheus format. Among these metrics, histograms are particularly useful. They show how often values fall into different ran

If you've shipped a Node.js API before, you already know this pain: your TypeScript types say one thing, your runtime validation says another, and your OpenAPI docs quietly disagree with both. Someone

When I first started learning about conversational AI testing, one question kept bothering me: Where is the expected result? Coming from traditional software testing, I was used to a familiar pattern.

Have you ever wondered how a computer can recognize a handwritten number, predict whether an email is spam, recommend a video, or understand a sentence? A lot of modern AI systems rely on something ca

A few months ago I was sitting in a convention center about to deliver a keynote at an event, watching my Oura Ring throw up the same heart rate pattern it shows me when I’m at my Pilates class. Simil

Some of the most dangerous native failures are produced by programs that appear to be working correctly. The cryptographic operation returns the right ciphertext. The parser rejects malformed input. T

A smartwatch can tell you that your heart rate is 78 beats per minute, that you've walked 6,421 steps, or that you slept for 7 hours last night. All of these numbers appear simple on the screen, but b

Here's something that most Kubernetes tutorials won't tell you: most engineers can run kubectl expose. Fewer than 10% understand what happens when they do. I've debugged Kubernetes networking issues a

The first thing many engineers want to do when they inherit a legacy codebase is change it. And I understand the impulse. You open a class that's 1,500 lines long. There are database calls mixed with

Odoo is an open-source enterprise resource planning (ERP) platform that helps businesses manage operations such as sales, customer relationship management (CRM), inventory, accounting, human resources

Every system, at some point, ends up with a function that nobody wants to touch. It starts small: a simple validation check, an if statement here, another there. Then requirements grow and more condit

Cloud computing has changed how organisations build, deploy, and scale applications. Businesses can launch new services in minutes, expand into new markets, and reduce the cost of maintaining physical

Most of the data you work with is really about relationships. A customer belongs to an account. An incident affects a service. An engineer owns a repository. You store all of that in tables, and for a

This book is a capability-led field guide to the architectures that make modern AI agents actually work. It includes code, failure modes, and illustrative composite case studies for every pattern. Abo

Building a basic AI demo with a single completion prompt and simple RAG pipeline is easy, but taking agentic systems into production requires robust system design, reliability engineering, and failure

Learning Data Structures and Algorithms (DSA) often feels like facing an challenging wall of complex jargon, syntax, and heavy mathematics. But don't worry because we just posted a course on the freeC

High-level machine learning libraries like PyTorch and TensorFlow make training intelligent agents straightforward, but relying on modern frameworks often hides the complex mechanics working under the

React is great at many things. But if you've ever tried pushing thousands of data points per second through it, you'll quickly learn that React isn't a firehose. It's more like a garden hose. Try forc

Earlier this year, I published Decoupling Material and Cupertino in Flutter, which covered what was then a preview feature: Flutter's plan to separate the Material and Cupertino design libraries from

A website can look polished, work perfectly with a mouse, and still be difficult for some people to use. A form might use colour as the only indication that something went wrong. A sticky header might

I maintain my own website, and every now and then I upgrade the site to a new version. And I frequently experiment with different technologies and architectures while doing so. Recently, I faced an is

In this tutorial, I’ll show you how to scale LLM inference for AI agents using vLLM. I'll help you build an intuition for how LLM inference works, explore why agent workloads create GPU scheduling and

Whenever you see a query nested inside another query in SQL, that's a subquery. A subquery is also known as an inner query while the one that contains it is called the main or outer query. Subqueries

You ask a coding agent for a new endpoint, and ninety seconds later you have a working endpoint. Then you read the diff, and you find that it pulled in a validation library that's not in your package.

What is everyone building these days? Drop your side project below and tell us what it does I’ll start I’m building eyondo , an AI platform for creating images and videos, editing images and videos, and generating audio It has more than 40 image and video models I’m open to any criticism or feedback Your turn!

​ While learning about AI Agents, I was practicing Prompt Engineering and experimenting with different AI tools. I started creating images and designs just for practice. Over time, I realized that I could actually create designs that businesses could use for their advertisements. Then something happened that was simple, but really meaningful to me: I created a design for someone and earned my first 200 EGP from a skill I taught myself. 💰 The amount isn't huge, but the experience...

I fast 16:8 and I've cycled through several fasting apps over two years. What pushed me out each time wasn't a paywalled timer — most of the big ones do give you that free. It was the ads in a health app, and pricing that turns out to be quiz-dependent rather than fixed. One of the largest says on its own site that the price varies with what you choose during signup; another lists ten different price points across four tiers. So I built Halfday with one price and no quiz. The timer, the fastin...

So you Upload 1–3 designs. It creates new posts in the same style and everything is fully editable on the canvas. No need for Canva Magic Layers. No fighting with AI-generated images on prompts. Watch this quick demo that I recorded. Pls share your feedback too!