--- title: "David Ifebueme (@David0x01) | Hashnode" description: "David Ifebueme (@David0x01) writes on Hashnode. Read their latest articles and follow their work." url: "https://hashnode.com/@David0x01" --- @David0x01 # David Ifebueme @David0x01 · Joined January 2023 ### [First Time With Actix](https://davidifebueme.hashnode.dev/first-time-with-actix?utm_source=hashnode&utm_medium=feed) Yo. Over the path couple of months I’ve been intrigued with Rust so I’ve been trying to build a bunch of stuff with it. This is my first time trying out a Rust based backend framework. Actix, I believe. Before now, I’ve mostly used python. From djang... 2 min read · [davidifebueme.hashnode.dev](https://davidifebueme.hashnode.dev/first-time-with-actix?utm_source=hashnode&utm_medium=feed) [Oct 15, 2025](https://hashnode.com/posts/first-time-with-actix/68efd049e93f12948593f948) ### [Cars.ng: Exploratory Testing](https://davidifebueme.hashnode.dev/carsng-exploratory-testing?utm_source=hashnode&utm_medium=feed) Introduction Cars.ng, as the name probably suggests. is an online car market place where people in Nigeria can buy and sell cars easily. The platform is relatively new and as part of my recent internship role, I was tasked to perform an exploratory t... 2 min read · [davidifebueme.hashnode.dev](https://davidifebueme.hashnode.dev/carsng-exploratory-testing?utm_source=hashnode&utm_medium=feed) [Feb 7, 2025](https://hashnode.com/posts/carsng-exploratory-testing/67a68ed78dca544b5866833e) ### [HOW DATABASE PERFORMANCE ISSUES ALMOST MADE ME LOSE My SANITY](https://davidifebueme.hashnode.dev/how-database-performance-issues-almost-made-me-lose-my-sanity?utm_source=hashnode&utm_medium=feed) So the folks at HNG 11 are making me write about an interesting issue I faced as a backend developer. So, I chose this one - the time Postgres almost took my sanity, lol. It eventually lead to a lot of research and self learning on database architect... 3 min read · [davidifebueme.hashnode.dev](https://davidifebueme.hashnode.dev/how-database-performance-issues-almost-made-me-lose-my-sanity?utm_source=hashnode&utm_medium=feed) [Jun 29, 2024](https://hashnode.com/posts/how-database-performance-issues-almost-made-me-lose-my-sanity/66802e64b09362b51eae1209) ### [Demystifying Solidity Events and Events Logging: Bringing Your Smart Contracts to Life](https://davidifebueme.hashnode.dev/demystifying-solidity-events-and-events-logging-bringing-your-smart-contracts-to-life?utm_source=hashnode&utm_medium=feed) Hold on tight, because we're going to unravel one of Solidity's coolest features - events. These aren't just lines of code; they're the heartbeat of your contract, allowing it to talk to the outside world, sharing secrets and creating transparency. W... 4 min read · [davidifebueme.hashnode.dev](https://davidifebueme.hashnode.dev/demystifying-solidity-events-and-events-logging-bringing-your-smart-contracts-to-life?utm_source=hashnode&utm_medium=feed) [Aug 30, 2023](https://hashnode.com/posts/demystifying-solidity-events-and-events-logging-bringing-your-smart-contracts-to-life/64ef93638bab37693bd6aaba) ### [Bridging Smart Contracts to the Real World with Chainlink: A Comprehensive Guide](https://davidifebueme.hashnode.dev/bridging-smart-contracts-to-the-real-world-with-chainlink-a-comprehensive-guide?utm_source=hashnode&utm_medium=feed) Introduction In the rapidly evolving world of blockchain and decentralized finance (DeFi), smart contracts have emerged as powerful tools for automating complex transactions. However, smart contracts are inherently isolated from the outside world. Th... 3 min read · [davidifebueme.hashnode.dev](https://davidifebueme.hashnode.dev/bridging-smart-contracts-to-the-real-world-with-chainlink-a-comprehensive-guide?utm_source=hashnode&utm_medium=feed) [Aug 25, 2023](https://hashnode.com/posts/bridging-smart-contracts-to-the-real-world-with-chainlink-a-comprehensive-guide/64e8ed6621bb2ad96c487506)