Acronyms are ambiguous. If you’ve used them, chances are that you’ve been asked what they mean. You can remove that ambiguity. A good way is to spell it out every time. Let me play devil’s advocate and say that “if someone has to suck it up, it should be the…

Introduction This article measures the performance of alternative solutions in storing Open, High, Low, Close (OHLC) prices and volume data, the kind of data used by candlestick charts. I measure used storage space and the speed of inserting, reading and deleting whole time series, and the speed of appending records to…

In my quest to find investment insights I decided to automate the boring stuff and simplify backtesting of financial strategies. I started creating a textual interface for financial backtesting with a few priorities in mind. …

This is a diary of impressions, feelings, lessons learned from the Advent of Code 2019. Days are ordered by completion. Solutions with code can be found on https://github.com/okomarov/aoc. What’s the Advent of Code From the About page: Advent of Code is an Advent calendar of small programming puzzles for a variety of skill sets and…

This little project comes from my time spent at Enterpreneur First, “the world’s leading talent investor”. While iterating through some startup ideas, I wanted to quickly validate the value proposition and the potential for traction. At the same time, while exploring the fintech space, I came across Robinhood and their…

Last time I wrote about Dollar-Cost-Averaging (DCA) I made a case to start investing now! Even if you don’t have a lot of money or expertise in financial markets. Today, you can check for yourself if your favourite asset — Tesla, Bitcoin, <insert cool stock here> — beats the fruitless…

Dash (by Plotly) is an open source, simple-to-use Python framework for building beautiful data-driven web applications. If you’re interested in knowing more about the framework, head over to “Introducing Dash”, the official release announcement, or check out the many examples from their gallery. What’s relevant though is that Dash uses…

You would like to invest, but only have $50 per month to spare, and that’s not a lot. You think that to be an investor, you must have a lot more money and probably a degree in finance. The truth is that you don’t have to. You can invest small…

Tips to complete the courses for free — Table of Contents Motivation Getting enough GPU RAM Dependencies: libraries Dependencies: data and pre-computed model weights Additional resources Timings Open issues Changelog Motivation Fast.ai teaches practical deep learning with a top-bottom approach which is at the same time intuitive and hands-on. However, the setup requires an NVIDIA graphics card and if you do not…