Useful Cheatsheets

JavaScript Array Methods Cheat Sheet

A simple JavaScript array methods cheat sheet. Learn map(), filter(), reduce(), sort(), and more with easy code examples for beginners and reference for experienced devs.

JavaScript Arrow Functions Cheat Sheet

A beginner-friendly guide to JavaScript arrow functions. Learn syntax, implicit returns, lexical this, and best practices with clear examples.

React useEffect Hook Cheat Sheet

A concise cheat sheet on the React useEffect hook, covering side effects, dependency arrays, cleanup functions, and best practices for efficient component lifecycle management.

JavaScript Closures Cheat Sheet

A beginner-friendly guide to JavaScript closures. Learn how closures work, why they’re useful, and practical examples with easy-to-understand code.

JavaScript Date and Time Cheat Sheet

A beginner-friendly guide to JavaScript date and time. Learn how to create, format, and manipulate dates, work with timestamps, and perform common date calculations.

JavaScript Debugging One-Liners Cheat Sheet

Quick and handy JavaScript debugging one-liners for logging, tracing, timing, error handling, and inspecting objects and variables.

Investing: How to Analyze Stocks Cheat Sheet

A practical cheat sheet for stock analysis, covering financial metrics, market evaluation, investment strategies, and portfolio management.

Investing: ETFs vs. Mutual Funds Cheat Sheet

A practical cheat sheet comparing ETFs and mutual funds, covering investment strategies, portfolio management, expense ratios, and passive investing approaches.

Tax Brackets Cheat Sheet

A practical cheat sheet on tax brackets for 2025, covering federal income tax rates, marginal tax calculations, tax planning strategies, and IRS adjustments.

State vs. Federal Taxes Cheat Sheet

A practical cheat sheet comparing state and federal taxes, covering income tax differences, tax brackets by state, IRS tax rates, and tax planning strategies.

Health Savings Accounts (HSA) Cheat Sheet

A practical cheat sheet on Health Savings Accounts (HSA) for 2025, covering tax benefits, IRS contribution limits, tax-free medical expenses, and retirement healthcare planning.

Investing in Asset Allocation Cheat Sheet

A practical cheat sheet on asset allocation, covering portfolio diversification, risk management, stock vs. bond allocation, and financial planning strategies.

Nutrition for Digestive Health Cheatsheet

Quick guide on nutrition strategies to promote healthy digestion, including key nutrients, foods to support gut health, and tips to prevent digestive issues.

Nutrition for Blood Sugar Control Cheatsheet

Quick reference guide on nutrition strategies to manage and stabilize blood sugar levels, including key foods, nutrients, and meal timing tips.

Nutrition for Bone Health Cheatsheet

Essential guide on nutrition strategies to support strong bones, including key nutrients, bone-friendly foods, and lifestyle tips to prevent osteoporosis.

Nutrition for Energy and Stamina Cheatsheet

Essential nutrition guide to boost energy and stamina, covering key foods, nutrients, and lifestyle tips to maintain consistent vitality throughout the day.

Nutrition for Heart Health Cheatsheet

Essential nutrition tips to support cardiovascular health, including heart-friendly foods, nutrients, and lifestyle habits to reduce heart disease risk.

Nutrition for Immune Support Cheatsheet

Key nutrition tips to strengthen the immune system, including vital nutrients, immune-boosting foods, and lifestyle practices to enhance immunity.