Cheatsheets

Introduction: What is Crowdsourcing? Crowdsourcing is the practice of obtaining needed services, ideas, content, or funding by soliciting contributions from a large group of people, especially from an online community. Unlike traditional outsourcing to specific contractors, crowdsourcing taps into the collective intelligence, skills, and resources of diverse individuals worldwide. Why Crowdsourcing Matters: Accesses diverse perspectives […]

Introduction to CRT Monitor Calibration CRT (Cathode Ray Tube) monitor calibration is the process of adjusting a CRT display’s parameters to achieve accurate color reproduction, proper geometry, and optimal image quality. While CRTs have largely been replaced by modern display technologies, they remain important in retro gaming, vintage computing, broadcast monitoring, and specific professional applications

Introduction to Crowdfunding Crowdfunding is a funding method that leverages collective contributions from a large number of individuals (the “crowd”) to finance projects, businesses, or causes. It democratizes access to capital by connecting creators and entrepreneurs directly with potential backers, bypassing traditional financial intermediaries. Why Crowdfunding Matters: Provides access to capital for projects that might

Introduction to Crowdfunding Insurance Crowdfunding insurance provides protection for project creators and backers against various risks associated with crowdfunding campaigns. As crowdfunding platforms have grown in popularity, so has the need for specialized insurance products to address the unique risks in this space. These insurance policies help protect against project failures, delivery delays, intellectual property

Introduction: What is Crowdfunding? Crowdfunding is a fundraising method that collects small amounts of capital from a large number of individuals to finance a new business venture, project, or cause. It leverages the collective power of friends, family, customers, and individual investors through social networks and crowdfunding platforms to get exposure and raise funds. Why

Introduction to Crowd Psychology Crowd psychology examines how individual behavior changes when people become part of a large group. This field studies the collective mental phenomena that emerge when people gather, including how thoughts, feelings, and behaviors are influenced and transmitted through crowds. Understanding these dynamics is essential for anyone working with groups—from event planners

Introduction: Cracking the Crossword Code Crossword puzzles are word games where solvers fill a grid of white squares with letters to form words or phrases by solving clues. Beyond entertainment, crosswords build vocabulary, improve pattern recognition, enhance logical thinking, and may even help maintain cognitive health. Whether you’re tackling newspaper puzzles, online variants, or competitive

Introduction to Cross-Validation Cross-validation is a statistical technique used to evaluate machine learning models by testing them on multiple subsets of available data. It helps assess how well a model will generalize to an independent dataset and addresses limitations of a single train-test split. Why Cross-Validation Matters: Prevents overfitting by validating models on different data

Introduction to Cross-Site Scripting (XSS) Cross-Site Scripting (XSS) is a critical web security vulnerability that allows attackers to inject malicious client-side scripts into websites viewed by other users. These attacks bypass the Same-Origin Policy, allowing attackers to steal sensitive information, hijack user sessions, redirect users to malicious websites, or perform actions on behalf of the

Introduction: Understanding CSRF Cross-Site Request Forgery (CSRF) is a type of security vulnerability where attackers trick authenticated users into unknowingly executing unwanted actions on websites they’re logged into. CSRF attacks exploit the trust that a website has in a user’s browser by forcing the victim’s browser to send forged HTTP requests to a target site.