Exploring Code of Hands-On Financial Trading w/ Python with DataSpell

JetBrains DataSpell is JetBrains new IntelliJ-based (the same engine as in JetBrains PyCharm) IDE for Jupyter Notebooks. The principal difference between PyCharm and DataSpell is the focus – PyCharm is an IDE for general Python development and DataSpell is an…

On Employment Screening Tests

Nowadays, the trend is to use computer-based tests to provide “a rich view of the candidates’ abilities“. However, the quality of these tests varies dramatically, and the hiring managers may not be aware of the typical problems with the tests.…

Jiri Pik’s New Book “Hands-On Financial Trading with Python”

I am very proud to announce the book “Hands-On Financial Trading with Python” written with Sourav Ghosh and published by Packt Publishing on April 29, 2021. The book is available for purchase at amazon.com and at packtpub.com. Front Cover Back…

Excel vs. Python – when to use Excel and when to use Python?

1. Summary While some authors claim that “Python is the new Excel”, we believe that Excel is the right tool for handling not large amounts of structured information and performing basic interactive data analysis. Excel workbooks serve the role of…

How to Set Up the Latest Version of PostgreSQL on AWS Linux 2

Although AWS does provide their own RDS service for running PostgreSQL I recommend it only (1) if you frequently require restoring the database up to a particular minute’s snapshot and (2) if the CPU usage of the database server would…

PostSharp and Excel-DNA

Writing readable and concise source code is one of the key objectives of software development as majority of the total costs of ownership of a software solution is usually spent on code maintenance. Aspect Oriented Programming enables, inter alia, to reduce the amount of…

How to use Advanced Installer for an Excel-DNA Project

Excel-DNA is a game-changing solution for development of XLL Excel add-ons in C# without VSTO abstracting away majority of the C++ implementation details. While a simple XLL add-on requires no registration or installation, the more advanced XLL add-ons with rich…

Optimal DB Architecture for Fast Access to Historical FX Data in MySQL

The optimal database architecture depends on the structure of the data, the number of the records to be stored, their intended updates (if any), the typical queries and their frequency, and the database engine itself. Each database engine is optimized…