NKNazmul Khalidintechnonazmul.hashnode.dev·5d ago · 4 min readPreventing Double-Booking in a Real-Time Appointment SystemOriginally published at nazmulkhalid.com. TL;DR: Checking a slot is free in application code and then writing the booking breaks when two requests arrive together. In DocBee, a telemedicine app I was 00
CACiphemic academiainciphemicacademia.hashnode.dev·Oct 1 · 12 min readPostgreSQL vs. MongoDB: A 10x Speedup, a 4-Hour Outage, and the Real Question Behind "SQL vs. NoSQL" PostgreSQL vs. MongoDB: A 10x Speedup, a 4-Hour Outage, and the Real Question Behind "SQL vs. NoSQL" The team behind Shippable, a CI/CD platform running over 50 microservices, rebooted their MongoDB s00
MUMuhammed Umerinumercodelabs.hashnode.dev·Sep 30 · 3 min readWhat is MERN Stack? Complete Beginner's Guide 2026MongoDB, Express, React, and Node.js — Everything You Need to Know what-is-mern-stack-guide-2026 Introduction If you're looking to start a career in web development but don't know where to begin, the 00
MTMuhammad Tahirinmtdeveloper.hashnode.dev·Sep 29 · 3 min readApplyvio: Building a Job Application Assistant From Problem to ProductThis article was originally published on Muhammad Tahir's Portfolio. A few days ago, I was applying to 100+ Full Stack, MERN Stack, and Flutter Developer roles. Somewhere around application #50, I not00
VSvikas sharmainvkdigiservices.hashnode.dev·Sep 29 · 4 min readMongoDB Hosting for Scalable and Reliable Database ApplicationsMongoDB has become a popular database choice for modern applications because of its flexible document-based architecture, scalability, and ability to handle rapidly changing data requirements. From we00
OMOgechukwu Macpherson Diezeinmacphersondieze.hashnode.dev·Sep 27 · 3 min readHi, I'm Macpherson — I build complete web products, not just screensI'm Ogechukwu Macpherson Dieze — most people just call me Macpherson. I'm a full-stack software engineer based in Nigeria, and this is my first post here, so I figured the right place to start is: who00
MYMohammed Yahya Ahmedinlearningwithyahya.hashnode.dev·Sep 25 · 9 min readBuilding Consistent Semantic Search: Updates, Embeddings & Concurrency in BrainZenWhen I wrote my previous article, I had reached an important point in BrainZen. The creation pipeline was working: Content ↓ Semantic text ↓ Embedding ↓ MongoDB And I had started designing t10
MYMohammed Yahya Ahmedinlearningwithyahya.hashnode.dev·Sep 24 · 7 min readFrom Embeddings to Search Architecture: Building BrainZen’s Retrieval FoundationWhen I first started adding semantic search to BrainZen, I thought the difficult part would be generating embeddings and storing them in MongoDB. It turns out that was only the beginning. Once the emb10
VSvikas sharmainvkdigiservices.hashnode.dev·Sep 21 · 4 min readManaged MongoDB for SaaS Applications and Growing PlatformsSoftware-as-a-Service platforms often have a different database challenge from a simple standalone application. A SaaS product may serve many customers through the same application while maintaining i00
VSvikas sharmainvkdigiservices.hashnode.dev·Sep 21 · 5 min readMongoDB Cloud: Planning Resources for Growing ApplicationsChoosing a database environment is not only a technical decision. It also involves understanding how an application uses its database today and how those requirements may change over time. If resource00
