--- title: "David Ajuka (@Ajuka) | Hashnode" description: "Blockchain, Javascript. Read the latest articles by David Ajuka on Hashnode." url: "https://hashnode.com/@Ajuka" --- @Ajuka # David Ajuka @Ajuka · Lagos, Nigeria · Joined November 2021 Blockchain, Javascript. ### [How to Set Up Clerk Authentication with Convex in a Next.js Project](https://tobit.hashnode.dev/how-to-set-up-clerk-authentication-with-convex-in-a-nextjs-project?utm_source=hashnode&utm_medium=feed) Integrating authentication shouldn't feel like a chore. By combining Clerk (for identity management) and Convex (for your backend/database), you get a powerhouse stack that handles user sessions, data synchronization, and security with minimal overhe... 4 min read · [tobit.hashnode.dev](https://tobit.hashnode.dev/how-to-set-up-clerk-authentication-with-convex-in-a-nextjs-project?utm_source=hashnode&utm_medium=feed) [Feb 2](https://hashnode.com/posts/how-to-set-up-clerk-authentication-with-convex-in-a-nextjs-project/6980a3877a7aef63b817a62e) ### [Greedy Humans](https://tobit.hashnode.dev/greedy-humans?utm_source=hashnode&utm_medium=feed) A greedy algorithm is a computer algorithm where a user is trying to get to an end goal and has a set of options in front of him, without knowing if the choice he makes would take him further or closer to his goal he is only able to make those choic... 1 min read · [tobit.hashnode.dev](https://tobit.hashnode.dev/greedy-humans?utm_source=hashnode&utm_medium=feed) [Sep 10, 2023](https://hashnode.com/posts/greedy-humans/64fd93c1ac4e44deabd13ad8) ### [Unlock the Power of Geolocation API in Javascript: Enhance Your Web Apps with Location-Based Features](https://tobit.hashnode.dev/unlock-the-power-of-geolocation-api-in-javascript-enhance-your-web-apps-with-location-based-features?utm_source=hashnode&utm_medium=feed) A Comprehensive Guide to Using the Geolocation API in Javascript for Creating Location-Based Features in Your Web Applications 4 min read · [tobit.hashnode.dev](https://tobit.hashnode.dev/unlock-the-power-of-geolocation-api-in-javascript-enhance-your-web-apps-with-location-based-features?utm_source=hashnode&utm_medium=feed) [Mar 5, 2023](https://hashnode.com/posts/unlock-the-power-of-geolocation-api-in-javascript-enhance-your-web-apps-with-location-based-features/6404839f5e275c6bb6f82b39) ### [Working with generator functions in Javascript](https://tobit.hashnode.dev/working-with-generator-functions-in-javascript?utm_source=hashnode&utm_medium=feed) This article details an introduction to generator functions, how to use them in async code as well as keywords related to generator functions 3 min read · [tobit.hashnode.dev](https://tobit.hashnode.dev/working-with-generator-functions-in-javascript?utm_source=hashnode&utm_medium=feed) [3](https://hashnode.com/posts/working-with-generator-functions-in-javascript/63f1446b76f5810908fc9b97) [Feb 18, 2023](https://hashnode.com/posts/working-with-generator-functions-in-javascript/63f1446b76f5810908fc9b97) ### [Blockchain Use Cases.](https://tobit.hashnode.dev/blockchain-use-cases?utm_source=hashnode&utm_medium=feed) few examples, for now... 3 min read · [tobit.hashnode.dev](https://tobit.hashnode.dev/blockchain-use-cases?utm_source=hashnode&utm_medium=feed) [Dec 11, 2021](https://hashnode.com/posts/blockchain-use-cases/61b48949b055806a4b00dc6b)