algorithms
API Rate Limiting: From One Noisy Client to a Fair, Stable Service
API rate limiting is a rule that caps how many requests each client can make within a set period of time, such as 100 requests per minute. It soun…
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acid transactions
SQL vs NoSQL: Why Your Bank and Your Feed Use Different Databases
SQL vs NoSQL is the choice between two database philosophies. SQL stores data in strict tables with iron-clad rules. NoSQL uses flexible data mode…
aws lambda
Serverless Computing Explained: Stop Managing Servers, Start Shipping
Serverless computing is a way to run code in the cloud without owning, patching or scaling the servers underneath it. You write a function, connec…
access tokens
OAuth 2.0 Explained: 8 Ideas That Keep Your Password Yours
OAuth 2.0, explained simply, is the system that lets an app use part of your account, such as your calendar, without ever seeing your password. It…
backend
Postgres Hit the Connection Limit. Here's How to Fix It for Good
The Postgres connection limit is a hard cap on how many clients can be connected to your database at the same time. Cross it, and every new reques…
