Discover

D

DEV Community · Technology

Why 90% of ML Engineers Struggle in Real-World Systems

Most ML engineers don’t fail because they lack knowledge. They fail because they’re solving the wrong problem. 🚨 The Hard Truth Most ML engineers are trained to: Optimize models Improve accuracy Tune hyperparameters But real-world systems don’t fail because of bad models. T...

Siddhartha Reddy 7 hours ago

Read

D

DEV Community · Technology

AWS ChatBot

Chatbot with Amazon Bedrock Agent + Knowledge Base RAG — Ecological Laundry How we built a conversational AI assistant for an eco-friendly laundry using Amazon Bedrock Agent, Knowledge Base RAG, AWS Lambda and a 100% static landing page — without servers, without heavy frameworks, without complicati...

YUVARAJ. R 7 hours ago

Read

D

DEV Community · Technology

The Multi-Model Reality: Why Enterprise AI Needs a Unified Gateway in 2026

The Problem Every AI Team Faces in 2026 You're building the next generation of AI-powered products. Your engineering team is excited. You've evaluated the models: GPT-5 from OpenAI — best for reasoning and complex tasks Claude 4.5 from Anthropic — exceptional for long-context analysis...

nafgma2020 7 hours ago

Read

D

DEV Community · Technology

AWS Observability vs OpenTelemetry

observability After using AWS-native observability (CloudWatch/X-Ray) as my default choice for nearly a decade, I recently implemented an open-source observability stack for a greenfield project. Here's what I learned about when to use each approach. Why I Explored OpenTelemetry For the past 9 year...

YUVARAJ. R 7 hours ago

Read

D

DEV Community · Technology

Top 10 Free APIs to Build Profitable Side Projects

Top 10 Free APIs to Build Profitable Side Projects As a developer, you're constantly looking for ways to create innovative and profitable side projects. One of the best ways to do this is by leveraging free APIs. In this article, we'll explore the top 10 free APIs that you can use to buil...

Caper B 7 hours ago

Read

D

DEV Community · Technology

How I Passed the CKAD Exam

Kubernetes is an open source container orchestration platform used to manage microservices at scale. It abstracts containers, creates replicas for apps, provides load balancing, and helps attach volumes. It manages secrets for credentials and provides config maps for effectively injecting environmen...

Nikhil Reddy 7 hours ago

Read

D

DEV Community · Technology

Run a Weekly Threads Analytics Review From Claude (With a Custom Dashboard and Content Pillars)

Every Sunday I do a Threads review. I look at what performed, what flopped, and what I'll double down on next week. For a long time this meant opening five different tabs, copying numbers into a spreadsheet, and trying to spot patterns myself. Tedious work that I skipped more weeks than I'd like to...

Luca Restagno 7 hours ago

Read

D

DEV Community · Technology

WebRTC vs WebSocket Explained: When to Use What (A Real-World Story)

If you’re building real-time apps, you’ve probably heard of WebSocket and WebRTC. At first, they seem similar: Both enable real-time communication Both avoid constant HTTP requests Both feel “live” But in reality? They solve very different problems. Let’s break it down the simplest way possibl...

Abdullah al Mubin 7 hours ago

Read

D

DEV Community · Technology

How to Always Reply from Your Custom Domain Email in Gmail

You’ve done the hard work. You followed the steps in the earlier post to get a free professional custom domain email, configured your routing, and now inquiries are neatly flowing into your Gmail inbox. But then, a classic mistake happens: you get a message, hit reply, fire off a quick response, an...

Richard Djarbeng 7 hours ago

Read

D

DEV Community · Technology

Extending a Video with Angular, Veo 3.1 Lite, Firebase Cloud Functions, and Firebase Cloud Storage

Google released the Veo 3.1 Lite model for AI video generation in the Gemini API, Gemini in Vertex AI, and Gemini AI Studio. This model solves a common developer pain point: generating high-quality videos quickly and at a lower cost. In this blog post, I migrate my application to use the Veo 3.1 Li...

Connie Leung 7 hours ago

Read

D

DEV Community · Technology

Meshes

Every SaaS team builds the same integration code. Your signup event needs to reach HubSpot. Your payment failure needs to alert Salesforce. Your cancellation needs to trigger Intercom. So engineering teams write custom handlers, add retry logic, debug silent failures at 3am, and maintain it all fore...

Todd Meshes 7 hours ago

Read

D

DEV Community · Technology

Broken Access Control Full Server Compromise

🔴 What Is Broken Access Control? Access Control defines who can do what in an application. When it breaks, a regular user can: Read another user's private data Modify or delete resources they don't own Access admin functions Escalate privileges to full server compromise According to OWASP, 94%...

CAISD 8 hours ago

Read

D

DEV Community · Technology

Productionizing LLMs in Go: Distributed Budgeting, LangChain, and ROI Tracking

From "Hello World" to Production: Stop the LLM Bill Shock for Good A few weeks ago, we introduced Otellix—the Go-native observability SDK designed to help you stop bleeding money on LLMs. The response was incredible, but the feedback was clear: "How do we scale this to production?" When...

Oluwajubelo 8 hours ago

Read

D

DEV Community · Technology

The Developer Who Reviews Everything and Ships Nothing

You've seen this person. Maybe you've worked with them for years. They leave 40 comments on your PR. Variable names, spacing philosophy, whether your abstraction is "truly necessary," a link to a 2014 blog post about hexagonal architecture. The review sits open for a week. Then two. Meanwhile, the...

Adam - The Developer 8 hours ago

Read

D

DEV Community · Technology

Should We Still Care About Our Code?

As part of a new feature, I was looking at a "Human in the Loop" wrapper: func (h *HITLWrapper) Exec( ctx context.Context, startTime time.Time, input any, debug bool, hook *taskengine.HookCall, ) (any, taskengine.DataType, error) That’s a lot of code... but it’s not the...

Alexander Ertli 8 hours ago

Read

D

DEV Community · Technology

I Built a Bulletproof Web Scraper That Hasn't Been Blocked in 6 Months — Here's Every Trick I Use

Every web scraper tutorial shows you requests.get() and BeautifulSoup. Then you run it against a real website and get a 403 Forbidden. Or a CAPTCHA. Or your IP gets banned after 50 requests. I've been running production scrapers for clients for over a year. The one I'm sharing here has scraped over...

Vasquez MyGuy 8 hours ago

Read

D

DEV Community · Technology

The Largest SQL Injection Breach Ever — How 77 Million PSN Accounts Were Exposed published

⚠️ Educational content only — this article is for cybersecurity awareness and defensive learning. 💥 The Largest SQL Injection Attack Ever Recorded# 💥 The Largest SQL Injection Attack Ever Recorded 🎮 The PlayStation Network Breach (2011) In April 2011, Sony’s PlayStation...

CAISD 8 hours ago

Read

D

DEV Community · Technology

I Stopped Taking AI Advice Seriously, and It Helped

I’ve been using AI for months now. Not casually — seriously. And I’ve started noticing something uncomfortable. The Observation The more I used AI for advice, the more confident it sounded. Clean answers. Well-structured thinking. Convincing logic. Whether it was: business decisions content st...

Jaideep Parashar 8 hours ago

Read

D

DEV Community · Technology

Why Solo Developers Should Embrace Docker Containers: The Ultimate Tool for Independence

There is a specific moment in every solo developer's career that feels like a victory, but also a source of deep frustration. It is the moment you finally get your local environment working. You have installed the right version of Node.js, configured the database connection strings, set up the envir...

Matthew Gladding 8 hours ago

Read

D

DEV Community · Technology

I Built a Simple CLI to Check Plagiarism and AI-Generated Text (Locally)

Most tools for checking plagiarism or AI-generated content share a few drawbacks: they require uploading your text to a website they are often paywalled or rate-limited they lack transparency in how results are generated I ran into this problem a few times and wanted a simpler alternative I coul...

Jerome Thayananthajothy 8 hours ago

Read

D

DEV Community · Technology

Amazon ECR Pull Through Cache (PTC)

What is ECR Pull Through Cache? Normally, to use an external image in the private environmet, we have to manually download the image and push it to ECR. With Pull Through Cache, we can simply pull the image using our ECR URL. AWS ECR automatically fetches the images from the upstream regi...

Harsh Viradia 8 hours ago

Read

D

DEV Community · Technology

I built nftguard: atomic nftables versioning with instant rollback

I manage multiple Linux servers. Each one has its own nftables firewall config — some with 50 rules, some with 200+. And for years, my "versioning system" was a mix of .bak files, commented-out lines, and the vague hope that I'd remember what changed last Tuesday. Then one night I fat-fingered a fl...

CARLOS ENRIQUE CASTRO LAZARO 8 hours ago

Read

D

DEV Community · Technology

I spent 500 hours & $5,000 on OpenClaw - Here's the best setup guide you'll ever need.

This is a submission for the OpenClaw Writing Challenge 'i spent 90 hours & $800 setting up openclaw so you don't have to.' half of it is already wrong or banned. the install process changed. anthropic killed subscription access for third-party tools. new models dropped. the whole landscape...

AI Bug Slayer 🐞 8 hours ago

Read

D

DEV Community · Technology

Building the Full Website Around the Product

Building the Full Website Around the Product A web app is one thing. A full website is another. Once the core product worked, I needed the rest of the experience to feel like a real product, not a prototype that escaped the lab. That meant building the site around the app itself: a cl...

Harshal Rudra 8 hours ago

Read