Alexander Codes

Write

How to Evaluate LLM Answers with the dbt Semantic Layer

Jul 14, 20269 min read

How to Evaluate AI-Generated SQL on Databricks

Jun 29, 202610 min read

Test Your Pydantic AI SQL Agent with Pydantic Evals

You've built a Pydantic AI agent that translates business questions into SQL. A user asks for total order value by region, including tax. The agent returns: SELECT region, SUM(subtotal) AS order_total

Jul 26, 20267 min read

An Elegant Stack Machine

Jun 9, 202510 min read

Data Types in Algorand Python

Feb 26, 202515 min read

Building a Code-Sharing DApp with FastHTML

Introduction FastHTML is a new Python framework for developing interactive web applications. It's based on HTMX, and purportedly "scales down to a 6-line python file, and scales up to complex production apps". I'm excited to see if I can use it to bu...

Sep 23, 202412 min read

Box Storage in Algorand Python

Introduction Box storage is akin to a key-value database that smart contracts can manipulate on-chain. An application can create any number of boxes, with each box storing up to 32k bytes of data. 💡 Developer docs: Smart Contract Storage Algorand...

Aug 4, 202414 min read

Bonding Curves for Algorand Assets

Introduction A bonding curve is a mathematical concept that describes the relationship between the price and supply of an asset. The fundamental idea behind a bonding curve is that when a person acquires an asset available in a limited quantity, eac...

Jun 8, 20245 min read

Validating Usernames in a Smart Contract

Introduction One of the first challenges in building an application is handling user registration. We often need to allow users to choose their own username, while ensuring that each one is unique. Usernames also usually require validation, with cons...

May 18, 20245 min read

Python & Smart Contracts

Introduction The inimitable Chris Kim recently tweeted about data types in smart contracts: https://twitter.com/chriskim_devrel/status/1787001209406251480?ref_src=twsrc%5Etfw And it got me thinking about friction points for onboarding new developer...

May 7, 20247 min read

Proof of Exclusion: A Smart Contract Bloom Filter

Introduction Smart contracts operate in highly constrained environments. We often need to use clever data structures to achieve particular goals within the confines of the virtual machine. A common requirement is to prove membership of something. For...

May 6, 202412 min read

Command Palette

Latest articles