Programming & Development Cheatsheets

A quick reference guide to the PostScript page description language, covering fundamental concepts, operators, and syntax for generating graphics and text.

A concise cheat sheet covering the essential aspects of Unified Modeling Language (UML), including diagrams, relationships, and notation.

A quick reference guide for Prometheus, covering essential concepts, PromQL queries, configuration, and best practices for monitoring and alerting in a DevOps environment.

A concise reference for regular expressions (regex) syntax and usage, covering patterns, metacharacters, quantifiers, and common operations.

A quick reference guide to common software design patterns, categorized by their intent: creational, structural, and behavioral. Includes pattern descriptions, use cases, and implementation notes to help you apply them effectively in your projects.

A comprehensive guide to Chrome DevTools, covering essential features for debugging, profiling, and optimizing web applications.

A comprehensive cheat sheet for CircleCI, covering configuration, commands, and best practices to streamline your CI/CD workflows.

A quick reference for testing and debugging web applications using Selenium, covering common commands, debugging techniques, and best practices.

A comprehensive cheat sheet for Express.js, covering essential concepts, middleware, routing, and common tasks for building web applications and APIs.