Spot-Undoo: Privacy-First AI Kerala Micro-Travel Planner & Layover Explorer
This is a submission for the Hacktoberfest Open-Source AI Challenge: Week 2 - Side Hustle . 🌟 What I Built Spot-Undoo is an open-source, local-first…
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MongoDB Indexing Strategies: ESR Rule, Explain Plans, and Performance Tuning
title: "MongoDB Indexing Strategies: ESR Rule, Explain Plans, and Performance Tuning" published: true published_at: "2026-11-20T09:00:00+05:30" desc…
Multiplayer Game Development with TypeScript, Phaser, Socket.io, and MongoDB
Game data rarely looks the same for very long. A player document might start out with just a username and a score, and a few sprints later, it needs…
Событие вместо поля: как журнал медиации вернул историю, которую система стирала
В феврале я написал три текста о том, что статусы не показывают процесс и что юридический сервис без событийной модели не масштабируется. В августе…
MongoDB from One Machine to a Multi-Region Cluster
A beginner's guide to where data lives, how capacity grows, and what Atlas manages MongoDB can begin as one database process on one computer. As an…
Why Request Context Becomes Infrastructure in Multi-Tenant Node.js Applications
A multi-tenant Node.js application often starts with something that looks harmless: const tenantId = req . headers [ " x-tenant-id " ]; You resolve…
Архитектура универсального провайдера баз данных на TypeScript без JDBC
В зрелых корпоративных экосистемах вроде Java или .NET инструменты для работы с базами данных опираются на стандартизированные на уровне среды выпол…
Миграция без права на ошибку: как перенести 70 кластеров MongoDB в 7 и не сломать продакшен
Разворачивать новый кластер базы данных каждую неделю — так себе удовольствие, особенно когда обслуживание десятков кластеров съедает время деж…
Building DreamHome: A Modern Real Estate Platform with the MERN Stack
Building DreamHome: A Modern Real Estate Platform with the MERN Stack By Dhrumil Gajjar — Full-Stack MERN Developer based in Gandhinagar, Gujarat Th…
Почему мы перестали собирать персональную ленту SQL-запросами
Как собрать персональную ленту для миллионов пользователей, когда обычный SQL-запрос с JOIN становится слишком тяжёлым? Рассказываю, как мы заранее…
Mongodb Partitioning
At Whoz , we build a SaaS platform that helps professional services companies manage their talent staffing. At the heart of our product lies a conce…
You loved my markdown previewer, so I’m giving it a major upgrade.
Building a smooth, lovely experience isn’t just about rich text rendering—it’s about ensuring the database layer under the hood is as fast, flexible…
You loved my markdown previewer, so I’m giving it a major upgrade.
Building a smooth, lovely experience isn’t just about rich text rendering—it’s about ensuring the database layer under the hood is as fast, flexible…
We Ditched MongoDB Atlas for AWS DocumentDB — Here's Exactly How We Did It
We Ditched MongoDB Atlas for AWS DocumentDB — Here's Exactly How We Did It One connection string change. Zero downtime. One very long night. Here's…
A backup you haven't restored isn't a backup
Migrating from MongoDB Atlas to a self-hosted replica set bought us control and cut our bill. It also quietly removed something we had stopped think…
Building the foundation Claudius runs on
This tutorial was written by Néstor Daza . This is the third article in a series about building Claudius , my own Claude-based chatbot ( Github ). T…
Бэкап конфигурации WAF за 50 секунд, или Как не терять дни работы между снапшотами
Привет, Хабр! Меня зовут Артем Токарь, я младший инженер технической поддержки в К2 Кибербезопасность . Наша команда работает в составе Це…
I Built a Blood Donation Management System with the MERN Stack
Every year, thousands of people struggle to find blood donors during emergencies. I wanted to build something that could simplify that process while…
Deploying a .NET Core API for Free in 2026: Railway vs Render vs Fly.io vs Cloudflare Tunnel
Why this comparison When I started building Sa, a car comparison platform for the Indian market, I had a working .NET Core Web API with MongoDB runn…
Optimizing Large-Scale MongoDB Aggregation Pipelines: Strategies for Performance at Scale
Originally published on tamiz.pro . MongoDB aggregation pipelines are powerful tools for processing and transforming data within the database. Howev…
Hunting the Bottleneck: Why I Killed findOneAndUpdate in Vlox
The Case: A Database Time Bomb 💣 I was refactoring the backend core of my app, Vlox . I stopped at the high-frequency endpoints: Likes and Reports.…
Cosmos DB and MongoDB: NoSQL Databases for Flexible Schemas and Scale
Cosmos DB and MongoDB: NoSQL Databases for Flexible Schemas and Scale A practical guide to two of the most widely used NoSQL databases — Azure Cosmo…
Архитектура «Гегелло», или как мы создали собственную платформу для анализа состояния оборудования
Всем привет! Меня зовут Юрий, я руковожу группой прикладной разработки в департаменте мультивендорной поддержки YADRO. Мы занимаемся развитием собст…
Why Meteor 3.5 Is the Most Important Release in Years
Every framework has a handful of releases that actually change its trajectory. For Meteor, 3.0 was one of them: it removed Fibers and rebuilt the fr…
How I Eliminated 19,494 Duplicate MongoDB Records (And What I'd Do Differently Today)
At a previous organization, I was handed ownership of a job platform serving 1,000+ users worldwide. Jobs on the platform could be scoped to a singl…
Day 145 of Learning MERN Stack
Hello Dev Community! 👋 It is officially Day 145 of my software engineering marathon! Today, I locked down the definitive user document model layer f…
Building a Four-Tier Parallel RAG Pipeline with Gemini
The Problem When building BotForge, our AI no-code chatbot platform, we needed a retrieval system that could handle messy, real-world user queries —…
Meteor 3.5 is out!
Meteor 3.5 is a broad release, and it earns the word. Its center of gravity is the reactive data layer (the part of your app that runs in production…
# I Built a Full Stack Academic Management System for My College — Here's How
I Built a Full Stack Academic Management System for My College — Here's How For my B.Tech final year project, me and my team built Student Sphere —…
Engineering Krishi-Route: A Real-Time Geospatial Logistics Engine (MERN + Leaflet)
Logistics is the silent killer of agricultural profit. In India, a farmer's margin is often destroyed not by the harvest itself, but by the sheer co…