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Introduction User impersonation is a powerful feature for SaaS support. It lets you see exactly what a user sees, making it easier to debug issues or provide h...

Understanding the Challenge Many legacy systems handle email flows through complex, intertwined database operations. These might include tracking email statuse...

Read more about Unit Tests, Integration Tests & End-to-End Tests...

How We Built an Offline‑First Engineering Apphttps://www.kfirst.in/ I didn’t start by wanting to build software. I started by needing reliable systems where the...

Prompt engineering is becoming one of the most important skills in AI today, but many people don’t know where to start. I recently came across a free and intera...

Hi! I’m new to the tech world and I want to learn Python to start my coding journey. I have already learned a little HTML, but I realized I don’t enjoy web deve...

Do you ever feel like the year just slips through your fingers? One minute it's January, and the next, you're wondering where the last six months went. We've al...

I Used to Lose Tasks in the Most Embarrassing Way Not because I didn’t write them down, but because I wrote them everywhere. A quick TODO in a code comment, a...

Invocation Models - Synchronous invocations – request/response style, commonly used with API Gateway - Asynchronous invocations – event‑driven, retried automat...

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There is a loud, recurring narrative that AI is coming for the software engineer's job. Former Google CEO just revealed AI's scary timeline Augmentation vs. Rep...

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Why hard‑coded Tailwind colors are a problem When using Tailwind you often place the color or background‑color directly on the element, e.g. bg-blue-500. This...

Real‑time AI Video: What’s Possible Today I think most people picture AI video as “type a prompt, wait 30 seconds, get a clip.” That’s one way to do it, but th...

Introduction In a Kubernetes cluster, the Kubelet is responsible for starting and stopping containers and managing the state of the node. It is a standalone bi...

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Running Java from Terminal bash javac App.java && java App javac compiles the Java source file App.java into bytecode App.class. The && operator runs the secon...

Get Data Lakehouse Books - Apache Iceberg: The Definitive Guide - Apache Polaris: The Definitive Guide - Architecting an Apache Iceberg Lakehouse - The Apache I...

Introduction Last weekend my good friend Jos van Schouten and I presented a session in the Community devroom at FOSDEM. Between the two of us we’ve run a lot o...

Overview of the Great Firewall in 2026 The Great Firewall GFW no longer relies solely on IP blocking. It performs stateful deep packet inspection DPI and can i...

Introduction We're a small web agency based in Prague. For years, we built client websites on WordPress – just like everyone else. - Speed: The average WordPre...

Most teams don’t fail at machine learning because of bad models. They fail because they try to train models before the system is ready to learn. After shipping...

Introduction ChatGPT recently opened submissions for its Apps feature, allowing developers to embed interactive widgets from third‑party apps directly into con...

The Problem with Alerts Alerts fire. And yet—service quality still degrades. If you’ve worked on telecom platforms long enough, this pattern feels familiar. Re...

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I've been writing software for over 10 years now. I've seen codebases that started clean and became unmaintainable. I've inherited legacy systems that somehow s...

Why I Built DevPulse As developers, we are constantly bombarded with information. We visit sites like Dev.to, Hacker News, or Twitter to find specific knowledg...

The Looming Crisis in AI‑Accelerated Tech Debt Let's face it: the promise of AI‑powered developer productivity has a dark side. While Large Language Models LLMs...

If you've ever frantically Googled “is Cloudflare down” while watching your website return 502 errors, you're not alone. With over 18,000 monthly searches for t...

Weekly Product Roundup Welcome back to the weekly product roundup! This week we introduce Local Code Reviews directly in your IDE, support for ChatGPT Plus/Pro...

AI Disruption Fears Shake Software Stocks Global software stocks fell after renewed fears that AI could disrupt traditional software and IT services. The sell‑...

Introduction Automated systems are often evaluated by what they produce. Counts of completed jobs, generated items, or published units provide clear and immedi...

I love coding, but I hate design. Every time I shipped a blog post, I had to open Figma, find a template, edit text, export PNG, upload to S3… it took 20 minute...

Large language models are getting better at sounding like they understand. This essay looks at why that fluency is convincing—and why it can be misleading. When...

Problem Description The task is to find the n-th Fibonacci number. Fibonacci numbers are the sum of the previous two numbers in the sequence, which starts with...

Project Overview This technical article walks you step by step through a beginner‑friendly Power BI project using a real‑world supermarket transactions dataset...

Securing test environments is essential for maintaining product quality while protecting sensitive personally identifiable information PII. In many enterprises,...

Stop rewriting the same list boilerplate over and over. At scale, repetition isn’t just annoying—it’s how correctness rules decay and key bugs, silent fallbacks...

Splunk Native Embedder has been approved and is now available on Splunkbase. Splunk Native Embedder is a lightweight configuration manager built on Splunk’s nat...

Performance Overview Mandrake Handshake recently performed “The Change And The Changing” for a KEXP live set. The performance took place on December 4, 2025 at...

Welcome, Joan. Welcome to the DEV Community. You might want to introduce yourself in the welcome thread as well, the current one being Welcome Thread v362https:...

What does MLA solve? Klover: Let's start with the basics. What problem does MLA solve? Me: It saves on KV cache. Instead of storing the full key and value vect...

AI chatbots have become a standard part of modern SaaS products. They answer support questions, guide users through features, and help teams scale user assistan...

Introduction This post continues the discussion on the Bluetooth Service Discovery Protocol SDP. SDP transactions occur automatically to discover services on a...

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