wrote an FX system trading program with deep learning method. I used Keras library for this deep learning implementat... (more…)

For this next blog post in my series of Python's syntactic sugar, I'm tackling what would seem to be a very simple bit of syntax, but which actually requires diving into multiple layers to fully implement: not. On the surface, the definition of not is ver... (more…)

The heart of this book is Arthur Engel's 1993 textbook Exploring Mathematics with your Computer which utilizes Turbo Pascal for its exploratory work, and is still available for purchase. The first six chapters (and Appendix A) are essentially that book, b... (more…)

To gain a performance boost and avoid reallocation of frequently used integers, Python creates singleton instances of small integer values and uses them by reference. (more…)

For a little over six years pypistats.org has been maintained and operated by Christopher Flynn on a volunteer basis. After a recent extended outage made clear the importance of this service to the Python community, and in coordination with Christopher, t... (more…)