Python Numeric Data Types: int, float, Decimal and When to Use Each
Python numeric data types explained: int, float, Decimal, Fraction and complex, why 0.1 + 0.2 is not 0.3, and how to handle money without rounding errors.
Deep dives
Career guides, minus the motivational fluff
What the role actually does day to day, what it pays at each level, which skills get screened for, and the honest gap between a course certificate and a job offer.
- Guides published
- 34
Articles, page 2
Python Functions: Writing User-Defined Functions Worth Reusing
How to write Python functions: arguments, defaults, *args and **kwargs, scope, type hints and docstrings, plus the mutable default bug everyone hits once.
Python Basics: Names, Collections, Control Flow and Comprehensions
Python basics with runnable examples: names and objects, lists, dicts and sets, control flow and comprehensions, plus the traps behind most beginner bugs.
How to Install Anaconda on Windows: Python and Jupyter Notebook Setup
How to install Anaconda on Windows step by step: which PATH checkbox to leave unticked, licence terms, a Jupyter kernel, and fixes for common conda errors.
How to Install Anaconda on Mac: Python and Jupyter Notebook Setup
How to install Anaconda on Mac: the right Apple Silicon installer, the zsh fix for 'conda: command not found', licence terms, and a working Jupyter kernel.
Git and GitHub Tutorial: Install Git and Push to a Remote Repository
A Git and GitHub tutorial for beginners: install Git, sign in with SSH or a token (GitHub rejects passwords), write .gitignore, push, and undo mistakes.
EdTech ReviewsGuest Post
Is a Data Science Bootcamp Worth It? The Real Cost and One Test
Is a data science bootcamp worth it? A former instructor weighs real costs, ISAs, placement claims and the one question that predicts whether it pays off.
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.
Career GrowthGuest Post
How to Switch to Tech at 30 (or 35, or 40) Without Starting From Zero
How to switch to tech at 30 or later with a job, a mortgage and eight usable hours a week: adjacent roles, a realistic timeline and what the data shows.
Artificial IntelligenceGuest Post
The Prompt Engineering Career Faded. Here Is What Replaced It
Where the prompt engineering career went: why the standalone role faded, which three skills inherited its budget, and the shortest route into AI engineering.