This blog has a really interesting assortment of articles on mathematics and programming. You can use the tags to your right to find topics that interest you, or you may want to have a look at

- the problems I wrote to get your brain working;
- some twitter proofs of mathematical facts.

You can also subscribe to the blog newsletter.

This is a short article on how I quickly used APL to verify my combinatorics calculations.

Today I learned you can use `pathlib`

to read the contents of a file.

When you call a function in Python and give it some arguments... Are they passed by value? No! By reference? No! They're passed by assignment.

Today I learned how the rich comparison protocol and, in particular, how **eq** works behind the scenes.

Today I learned that Python 3.5+ supports the operator `@`

for matrix multiplication.

Today I learned that you can use emojis as variable names in Python if you use `pythonji`

.

Today I learned that the `.join`

method in Python is a two-pass algorithm, and that's why joining a list comprehension is faster than a generator expression.

This Pydon't will teach you how to use Python's conditional expressions.

This Pydon't will teach you how the basics of list comprehensions in Python.

Today I learned about an algorithm that Python uses to sort out inheritance.

Today I learned about the ICPO rule for attribute lookup in Python.

Today I learned how to do ceiling division in Python just with `//`

.

This Pydon't will teach you how to use the `set`

and `frozenset`

Python built-in types.

In this Pydon't you'll learn how to make the best use possible of the Python REPL.

In this Pydon't you will learn the Python string methods `translate`

and `maketrans`

.