Power BI is a powerful business analytics service developed by Microsoft that empowers users to visualise data and share interactive dashboards across their organisation. While Power BI can handle data from various sources, its true potential is unleashed when connected to robust data sources like SQL databases. SQL databases—such as PostgreSQL, MySQL, and SQL Server—are the industry standard for
## INTRODUCTION Every blockchain application that handles value needs to answer the same question: how do you track who owns what? There are two dominant approaches, and choosing between them shapes your entire contract architecture. Contract-state accounting behaves like a bank ledger. A single smart contract holds a balance map, and transactions update entries in place. The UTXO model behaves li
Some time ago, I was building a chat application using AWS Websocket API gateway. Things were going smoothly. I created a WebSocket API Gateway, added $connect, $disconnect, and sendMessage/addGroup routes. From the frontend (React) side, everything was fire-and-forget. You send a message, and the onMessageHandler takes care of it 💪🏼 But then a new requirement of uploading files using S3 signed