August 25, 2026
1 min read
Python Data Structures Cheatsheet
Every Python container on one page, explained line by line: lists, tuples, dicts, sets, the collections module, and how to choose the right one.
August 25, 2026
1 min read
Model Validation Cheatsheet
Model validation on one page, explained line by line: seen versus unseen data, holdout sets, metrics, subgroup errors, overfitting, cross-validation and tuning.
August 24, 2026
1 min read
Matplotlib Cheatsheet
Matplotlib on one page, explained line by line: the figure and axes model, styling lines, labels, subplots, twin axes, annotation, chart types and saving
IMPLEMENTATION ENGINEERING - LATEST ARTICLES
July 9, 2026
6 min read
August 20, 2026
6 min read
July 30, 2026
6 min read
About Me
Data Lad
Doing data stuff
Hi, I'm Data Lad, welcome to my blog
Part blog, part notebook, part "I finally figured this out and need to write it down." Covering data science, analytics, statistics, and machine learning — one concept at a time.
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OTHER LADS
Anirban Banerjee, PHD
Writing doctorate level stuff
VP Analytics & AI
Dennis Demin
NLP and AI are his bread and butter
Engineer
Kajus Orlauskas
Full reporting and Insights
Engineer
DATA SCIENCE - LATEST ARTICLES
ML ENGINEERING - LATEST ARTICLES
Deep Learning Cheatsheet
The whole of deep learning on one page, explained line by line: tensors and autograd, the training loop, activations and losses, CNNs, RNNs, attention, tuning and deployment.
Datalad Glossary: Machine Learning
This content provides definitions and explanations of various terms related to machine learning and artificial intelligence, covering topics like model training, evaluation metrics,…
XGBoost: 10 Code-Along Examples
The article details the benefits of using XGBoost for tabular data, covering its efficient workflow, API usage, model training, cross-validation, early stopping, regularisation, and optimal…
Dimensionality Reduction Cheatsheet
A one-page dimensionality reduction reference, every snippet explained line by line: variance and missing-value filters, correlation pruning, leak-free selection, RFE, tree importance, Lasso,…
FRONT END DEVELOPMENT - LATEST ARTICLES
Datalad Glossary: Front End Development
The content defines various web development terms, covering aspects like accessibility, CSS methods, JavaScript functionalities, performance metrics, and frameworks. Understanding these…
August 5, 2026
12 min read
SCSS Variables Cheatsheet
Every SCSS variable rule on one page, explained line by line: syntax and naming, deriving values, variables in mixins, !default, and why they resolve at compile time.
August 19, 2026
1 min read
SCSS Inheritance Cheatsheet
Every SCSS @extend rule on one page, explained line by line: extending classes and placeholders, what actually compiles out, the specificity catch, and when a mixin fits better.
August 19, 2026
1 min read
SCSS Mixins Cheatsheet
Every SCSS mixin rule on one page, explained line by line: defining and including, arguments and defaults, media queries, @content, conditional logic, and when @extend fits better.
August 19, 2026
1 min read
SCSS Partials Cheatsheet
Every SCSS partials rule on one page, explained line by line: the underscore, naming, import order, a single entry point, folder structure and the shift to @use.
August 19, 2026
1 min read
Organising Stylesheets with SCSS Partials: 10 Code-Along Examples
Learn SCSS partials by splitting a stylesheet apart. Ten copy-and-run examples covering the underscore convention, file boundaries, component partials, self-contained dependencies, naming,…
August 4, 2026
10 min read
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