📋 Cheat Sheets
32 quick-reference sheets covering programming, AI/ML, data science, systems, and mathematics.
programming
Python Basics Cheat Sheet
Python syntax, data types, loops, functions, strings, comprehensions. Essential reference for Python beginners....
View →Python Data Structures Cheat Sheet
Lists, tuples, dicts, sets, deque, heapq, defaultdict, Counter. Master Python collections....
View →Java Fundamentals Cheat Sheet
Java syntax, OOP, classes, exceptions, Collections Framework. Essential for Java learners....
View →JavaScript Essentials Cheat Sheet
DOM, events, promises, async/await, array methods, ES6+. Modern JavaScript reference....
View →HTML & CSS Cheat Sheet
HTML tags, CSS selectors, flexbox, grid, responsive design, media queries....
View →Git Commands Cheat Sheet
Essential git commands: init, clone, branch, merge, rebase, stash, log, diff, reset....
View →Linux Terminal Cheat Sheet
Linux commands: navigation, file operations, permissions, piping, grep, sed, awk, cron jobs....
View →Regular Expressions Cheat Sheet
Regex syntax, character classes, quantifiers, groups, lookahead, common patterns....
View →ai-ml
Machine Learning Cheat Sheet
Supervised/unsupervised learning, algorithms, bias-variance, evaluation metrics. ML fundamentals....
View →Deep Learning Cheat Sheet
CNN, RNN, LSTM, Transformer architectures, activation functions, optimizers, loss functions....
View →Neural Network Math Cheat Sheet
Forward propagation, backpropagation, gradient descent, chain rule, weight initialization....
View →NLP Essentials Cheat Sheet
Tokenization, embeddings, attention, BERT, GPT, seq2seq, BLEU score. NLP fundamentals....
View →Computer Vision Cheat Sheet
Convolutions, pooling, architectures (ResNet, YOLO, U-Net), transfer learning....
View →PyTorch & TensorFlow Cheat Sheet
PyTorch & TensorFlow side-by-side: tensors, models, training, data loading....
View →data
SQL Reference Cheat Sheet
SELECT, JOINs, subqueries, window functions, GROUP BY, HAVING, indexes....
View →Pandas & NumPy Cheat Sheet
DataFrame operations, filtering, groupby, merge, reshape, NumPy broadcasting....
View →Data Visualization Cheat Sheet
Matplotlib, seaborn, plotly: chart types, when to use, styling....
View →Statistics Essentials Cheat Sheet
Mean, median, mode, distributions, hypothesis testing, p-values, confidence intervals....
View →systems
Networking Cheat Sheet
OSI model, TCP/UDP, HTTP methods, DNS, REST vs GraphQL, HTTP status codes....
View →System Design Cheat Sheet
Load balancing, caching, CDN, message queues, microservices, scaling patterns....
View →math
Linear Algebra Cheat Sheet
Vectors, matrices, eigenvalues, dot product, cross product, transformations....
View →Calculus for ML Cheat Sheet
Derivatives, partial derivatives, chain rule, gradient, Jacobian, Hessian....
View →Probability Cheat Sheet
Bayes theorem, distributions, expected value, variance, conditional probability....
View →exam-prep
IIT-JEE Computer Science Exam Prep
Comprehensive exam prep for CS questions in JEE Advanced/Mains: data structures, algorithms, logic, Boolean algebra, gra...
View →BITSAT Computer Science Prep
BITS Pilani entrance exam CS section: logic gates, number systems, programming, data representation, networking fundamen...
View →KVPY Computational Thinking & Problem Solving
KVPY SA/SX stream prep: computational thinking, algorithm analysis, mathematical logic, pattern recognition, graphs, pro...
View →CBSE Class 10 AI/CS Board Exam Prep
CBSE Class X Computer Applications/AI syllabus: HTML/CSS, Python basics, cybersecurity, networking, AI fundamentals, SQL...
View →CBSE Class 12 Computer Science (083) Comprehensive Guide
Complete CBSE Class XII CS syllabus: Python OOP, data structures, SQL advanced, networking, Boolean algebra, computation...
View →GATE Computer Science Comprehensive Exam Guide
GATE CS prep: discrete math, data structures, algorithms, OS, DBMS, networks, compiler, TOC, digital logic, computer org...
View →UGC NET Computer Science & Applications Complete Guide
UGC NET CS prep: discrete structures, data structures, programming, OS, databases, networking, software engineering, AI/...
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