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 Цент…
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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 i…
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 runnin…
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. However…
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. I …
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 Cosmos …
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 собстве…
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 fram…
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 single …
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 for…
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 — t…
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 a…
# 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 — a …
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 cost…
$exists and non-sparse indexes in MongoDB and in other DocumentDB
In SQL databases, NULL represents an unknown value — not the absence of a value. When a value is simply non-applicable for a given entity, the correct…
How to Optimize MongoDB on Bare Metal Servers: SRE Playbook
The explosion of artificial intelligence retrieval applications has transformed the way enterprises deploy document databases. However, transitioning …
I Built an Online Multiplayer Ludo Game
So, this year I made a few resolutions — and sure, no one keeps to resolutions, but I decided to at least keep these two: first was no more tutorials,…