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freeCodeCampreactgo

Building a Website in 2026: What Matters More Than Your Tech Stack

For years, developers have debated which technology stack was best for building websites. Some preferred React. Others chose Vue, Angular, Svelte, or server-side frameworks such as Laravel and Django.

Manish Shivanandhan 9 min1 day ago
freeCodeCamp

How to Run Private Text-to-Speech on Your Own Hardware Using QVAC

When I was putting the final touches on QuizRope, an educational mobile app I built that uses LLMs for real-time tutoring and homework assistance, I knew the next logical step was voice. Reading text

Djibril-M🍀 14 min1 day ago
freeCodeCampgoai

Mastra vs LangChain: Building an AI Agent Pipeline and Analyzing the Data

A week ago, I saw this tweet: I had just shipped SupportMesh, a multi-tenant AI support platform built on Mastra, so I had opinions from production. I liked the .dowhile() loop, the typed step schem

Shola Jegede 27 min2 days ago
freeCodeCampai

How Large-Scale Platforms Handle Millions of Daily Transactions

Every day, millions of people order food, stream videos, send messages, book rides, make payments, and shop online. Most of these actions take only a few seconds from the user's perspective. A user cl

Manish Shivanandhan 8 min2 days ago
freeCodeCampnodedatabaseai

The Saga Pattern in Node.js: How to Roll Back Distributed Transactions Across Microservices

Building reliable workflows across multiple microservices is challenging. In a monolith, a database transaction can ensure that multiple operations either succeed or fail together. But once data is sp

Md Tarikul Islam 18 min2 days ago
freeCodeCampjavascriptai

How to Build a Browser-Based PDF Crop Tool Using JavaScript

PDF files often contain unwanted margins, blank spaces, scanner borders, page headers, page footers, or unnecessary content around the main document area. Cropping allows users to remove these unwante

Bhavin Sheth 10 min2 days ago
freeCodeCamppython

Geopolitical Risk Isn't One Thing. I Built a Python Framework to Prove It

On April 3, 2025, the US announced sweeping tariffs on Chinese imports. SPY dropped 4.8% that day. The next day, it dropped another 6%. Financial news ran the usual headline: markets rattled by geopol

Nikhil Adithyan 22 min2 days ago
DEV Communityaigeminiknowledgegraph

Building Knowledge Graphs with Gemini

✨ Overview In this exploration, we'll see how to turn raw, unstructured documents into...

Laurent Picard46 min3 days ago7
DEV Communitydiscusscommunityopportunities

Dev Opportunity Radar #3: Neo Scholars, a $2M AI Challenge, and an $85K AI Fellowship

TL;DR Welcome back to Dev Opportunity Radar. This is a weekly series where I share opportunities,...

Hemapriya Kanagala10 min3 days ago49
DEV Communityantigravityclidevchallengegamechallenge

IOS Midsommer Madness

This is a submission for the June Solstice Game Jam Your Iphone can now celebrate the Solstace! When...

xbill9 min3 days ago10
DEV Communitywebdevjavascriptpython

Why I still teach Singleton even though modules make it redundant

Ask any developer what design pattern they know best and Singleton comes up first. Ask the same group...

Dmitry Sheiko3 min3 days ago1
freeCodeCampjavascriptcsshtml

How to Build a Case Converter Tool Using HTML, CSS, and JavaScript

If you're looking to level up your front-end development skills by building a practical web utility, this is the guide for you. We'll code a fully functional Case Converter Tool from scratch using onl

Bansidhar Kadiya 8 min3 days ago
DEV Communityaiapigemini

[Hands-on Gemini 3.5 Live

Brand New API Unveiled: Gemini 3.5 Live Translate On June 9, 2026, Google officially...

Evan Lin8 min3 days ago5
DEV Communityaigeminiproductivity

[AI Practice] Building blazing-Fast AI Mac OS App with Antigravity CLI

Foreword: A Developer's New Collaboration Model Imagine this scenario: you are...

Evan Lin6 min3 days ago5
DEV Communitydiscussweeklyretro

What was your win this week?

👋👋👋👋 Looking back on your week -- what was something you're proud of? All wins count -- big or small...

Jess Lee1 min3 days ago49
DEV Communitywordpresssecurityopensource

WordPress.org now distrusts my commits by default. As a plugin author, I think that’s right.

I committed a new version of my plugin to SVN and got a message I hadn’t seen before: this version...

Rapls5 min4 days ago13
DEV Communitywslagenticaibrowseragent

Resolving WSL Friction with Google Antigravity: the Agy 2.0 and Agy IDE Edition

Resolving Friction Last year when the very cool Google Antigravity (Agy) was first...

Darren "Dazbo" Lester6 min4 days ago11
freeCodeCampapi

From Flutter to Backend: How to Build Production-Grade REST APIs with Dart and Dart Frog

Dart backend frameworks exist on a spectrum. At the minimal end sits Shelf, with raw primitives and full control. You wire everything yourself. At the maximal end sits Serverpod. It's a full framework

Oluwaseyi Fatunmole 22 min4 days ago
freeCodeCampdatabase

How to Scale Laravel Applications for High-Traffic Production Systems

Your first scaling problem rarely arrives with a bang. For a while, everything is fine: pages load fast, the database barely breaks a sweat, and the team ships features without thinking much about inf

Olamilekan Lamidi 21 min4 days ago
DEV Communitycsswebdevdesign

CSS 'overscroll-behavior' rubber banding: the right color behind the page when you pull it

I think you all know the overscroll rubber-banding effect: when you scroll past the end of a page, or...

a-dev8 min4 days ago9
DEV Community

The AI Addiction Nobody Is Talking About

There is a particular kind of restlessness spreading through the tech world right now. It is not...

Samir Yahyazade4 min4 days ago1
DEV Communitygpupythonandroid

Heterogeneous Pythonic language in your pocket

Hello everyone 👋, I am Amr Hesham, and I am very passionate about Compilers, Languages, and building...

Amr Hesham9 min4 days ago
DEV Communityvibecodingaifirstyearincode

Your Vibe-Coded App Works. Is It Any Good?

TL;DR - Getting an app to run is now the easy part. AI is very good at producing something that...

MLH Team10 min4 days ago21
DEV Communitysystemdesignwebdevfrontend

Frontend System Design: Designing a Collaborative Whiteboard

A walkthrough of designing a real-time collaborative whiteboard from a blank page to a production-ready architecture.

Harsha Attray18 min4 days ago4
DEV Communitydevchallengegoogleiochallenge

Congrats to the Google I/O 2026 Writing Challenge Winners!

We are so excited to announce the winners of the Google I/O 2026 Writing Challenge! We asked you to...

Jess Lee2 min4 days ago139
DEV Communitycommunitydiscuss

Virtual Coffee Needs Your Help

Virtual Coffee has always been a free, volunteer-led developer community supporting the tech...

BekahHW2 min4 days ago33
DEV Communityaiarchitectureprogramming

Why New Language Features Need to Target AI Agents, Not Developers

AI agents are writing our production code. It's time to stop designing syntax sugar for humans and start optimizing languages for bots.

ModernCpp3 min4 days ago1
DEV Communityantigravityclimcpsgemma4

Lessons Learned: Deployment Trade-offs with Gemma4, NVIDIA L4, Cloud Run, and Antigravity CLI

This article provides a step by step guide for debugging a Gemma 4 model to a Google Cloud Run hosted...

xbill26 min4 days ago8
DEV Communityaiwebdevdiscuss

My daughter asked if developers used to write code by hand, but it was the follow-up question that surprised me.

My daughter, who's 11, has been doing some vibe coding. The other day she looked over my shoulder...

Greg Baugues1 min4 days ago52
DEV Communitydevchallengegamechallengegamedev

Celebrate June rituals with Solstice Bingo!

This is a submission for the June Solstice Game Jam Before we dive into technicalities, let me make...

Klaudia Grzondziel4 min4 days ago53
DEV Communitygodevops

Go Packages and Modules explained

What is a package? In Go, every Go program is made up of packages. A package is a...

Fer Rios14 min5 days ago1
DEV Communityconvexselfhostedtutorial

Mastering Self-Hosted Convex: A Complete Deployment Guide

Stop struggling with custom scripts and learn the professional way to deploy Convex functions to your own server using the official CLI.

Jookllo4 min5 days ago
DEV Communitynvidiamcpsgooglecloudrun

Deployment Planning with Gemma 26B, NVIDIA L4, MCP, Cloud Run, and Antigravity CLI

This article provides a step by step debugging guide for deploying Gemma 4 to a Google Cloud Run...

xbill28 min5 days ago6
DEV Communitygpugooglecloudnvidia

G4 Fractional VMs are now available on Google Cloud!

In 2025 Google Cloud added G4, powered by NVIDIA's RTX PRO 6000 Blackwell Server Edition GPUs to...

Maciej Strzelczyk3 min5 days ago27
DEV Communityaicsswebdev

CSS – only a Nerdy Hobby?

In times when people believe that "AI can code a website in 2 days" (see: how to leverage AI as a...

Ingo Steinke, web developer3 min5 days ago38
DEV Communitymcpsnvidial4gemma12b

Debugging Deployments with Gemma 12B, NVIDIA L4, MCP, Cloud Run, and Antigravity CLI

This article provides a step by step debugging guide for deploying Gemma 4 to a Google Cloud Run...

xbill25 min6 days ago6
DEV Communityaiclaudegooglecloud

Claude Fable 5 is Now Generally Available on Google Cloud! 🚀

Good news for Claude devs deploying on Google Cloud. Claude Fable 5, Anthropic’s latest frontier...

Jen Harvey1 min6 days ago33
DEV Communitymcpservergooglegeminipython

Google Antigravity SDK: The developer guide

The Google Antigravity SDK is a Python framework for building and running autonomous agents. It...

Karl Weinmeister9 min6 days ago5
DEV Communityagentsasanapimanagedagentgemini

Antigravity Managed Agents Tutorial: Ship Production AI Agents

If you’ve tried building AI applications, you often face a familiar engineering wall. It goes like...

Romin Irani46 min6 days ago21
DEV Communitydockergubernatorantigravity

Gubernator visual schema.

Excited to share the latest feature built for Gubernator (gbnt): Visual Stack Topology &...

Mario Ezquerro1 min6 days ago12
DEV Communitytanstackreacttypescript

TanStack Start Is Kind of a Big Deal

Introduction People keep telling me TanStack Start is kind of a big deal, and I wanted to...

Erik Hanchett10 min7 days ago39
DEV Communityaitddbdd

It's Time We All Eat some more Cucumber!

Everyone's writing specs for AI now. We hand the model a markdown file, tell it what we want, and...

Sebastian Schürmann5 min7 days ago11
DEV Communityaiagentsdebugging

The agent that fixes bugs by running the code

Why harness engineering, not better models, is the next frontier in AI-assisted coding. The runtime evidence loop that turns confident guesses into actual fixes.

shrey 10 min7 days ago1
DEV Communitywebdevtypescriptbash

You’re a Real TypeScript Developer Only If...

A few months ago, I published You're a Real JavaScript Developer Only If... It was just a post for...

Hadil Ben Abdallah4 min7 days ago90
DEV Communityaillmeval

I tried to make an AI agent answer more. It answered less.

If you build or evaluate scoped agents: any talk about the agent in your test context makes it defend...

ankush chadha6 min7 days ago
freeCodeCampjavascriptguideai

How to Build a Browser-Based PDF Metadata Editor Using JavaScript – A Step-by-Step Guide

PDF files contain more information than what appears on the page. Behind every PDF document is metadata that stores information such as the document title, author, subject, keywords, creator applicati

Bhavin Sheth 7 min9 days ago
DEV Communitydevchallengegithubchallengediscuss

Two Devs and a Copilot Created ClassifierAI: A Prototype Chrome Extension that Automatically Detects AI-Generated Content on DEV!

This is a submission for the GitHub Finish-Up-A-Thon Challenge Note: AI is currently a Hot Topic in...

FrancisTRᴅᴇᴠ (っ◔◡◔)っ17 min10 days ago104
DEV Communitywatercooler

Dystopian Civilization Scenarios

Gaming, like AI, is far from what fascinates me most about technology and creative development....

Ingo Steinke, web developer5 min10 days ago11