bwrob blog

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Profiling Python OOMs

Using Memray and resource limits to profile memory leaks and Out of Memory (OOM) errors in Python and compiled extensions.

Python Powered Terminal Tools

A curated list of terminal utilities you can install with uv.

Serverless Marimo Dashboard

Building serverless interactive dashboards with Marimo.

Polars in Finance Cheat Sheet

Polars expressions and contexts applied to S&P 500 OHLCV data.

Keeping Your Jupyter Notebooks Clean

Automated quality checks for Jupyter notebooks.

Inheritance, Polymorphism & Protocols

How to design flexible financial models using inheritance, ABCs, and protocols.

The Python Data Model

How to unlock the power of Python’s special methods to build intuitive and consistent classes.

Anatomy of a Python Class

How to master the building blocks of Python classes for quantitative development.

Python Env Management: From venv to uv

How to manage Python environments, transitioning from classic venv and pip to the modern and fast uv tool.

Efficient Iteration

How to iterate efficiently in Python for quantitative finance.

Functions, Closures and Decorators

How to treat your functions well.

Fibonacci Numbers Case Study

How to efficiently calculate Fibonacci numbers in Python.

Python Resources

Pythonic Distractions

Curated resources for improving Python skills.

Risk Management of Merger Arbitrage Portfolios

Financial Markets

Managing market risk for merger arbitrage portfolios.

A Collection of Iterator Utilities

Practical iterator utilities and recipes for Python.

Mathematician in the Financial Markets

Financial Markets

Navigating the financial industry as a mathematician.

Case Insensitive Enum

Implementing case-insensitive enums in Python.

Visualizing Pydantic Models

Visualizing Pydantic models as tree structures.

Prettify Dev Terminal Setup

Configuring a productive, stylish Linux terminal.

Linux in Windows via WSL

Setting up Linux development in Windows.

Linux Python Dev Env

Modern Python development setup on Linux.

Python Startup Script

Automating your daily development environment startup.

Exit stack to the rescue

Pythonic Distractions

Elegant resource management using Python’s ExitStack.

Strategies for Numerical Integration

Pythonic Distractions

Design Patterns

Numerical Methods

Implementing the strategy design pattern in Python.

Welcome To My Blog

An introduction to the blog and topics.