Some time ago, I used to work on a legacy project where we had significant peak loads. During these peak loads, some clients experienced “Connection refused” errors while our monitoring showed we still had enough CPU time, RAM and network bandwidth.

My talk at the Krasnodar Python Meetup, where I present static typing in Python 3 in 2019

The value of the 24h aggregated volume, which was calculated by CoinMarketCap (CMC), reached almost $25 billion on February 22, 2019. Quite a number.

This analysis continues the series of studies on the trading anomalies in cryptocurrency exchanges. We have decided to focus on the exchange that appeared only in 2017 but since then has been the leader — Binance.

A bit of theory

Description of the relationship between objects, types, classes, and instances in Python.