Advanced Python Regex: Groups, Lookarounds and Substitution (Part 2)
Advanced Python regex with tested output: named groups, lookarounds, re.sub with a function, and why a 24-character input made (a+)+$ run for 10 seconds.
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Python Strings: F-Strings, Methods and the strip() Trap
Python strings in practice: f-strings, slicing, the methods worth memorising, why += loops slow down, and the encoding default that breaks scripts on Windows.
Regular Expressions in Python, Part 1: Syntax, Functions, Flags
Regular expressions in Python from the ground up: raw strings, core syntax, match vs search vs fullmatch, flags, and five mistakes that silently break patterns.
Data Science Tools and Techniques: The Stack That Actually Gets Used
The data science tools working analysts actually use, what each is for, when to learn it, and the validation techniques that matter more than any library.
MLOps Engineer Career Guide: The Plumbing Job Behind Every Live Model
An MLOps engineer career rewards a rare mix of infrastructure skill and model literacy. See the daily work, skills ranked, 2025 pay data and the way in.