Developer Cheat Sheets Directory
Instant syntax lookups, command flags, production recipes, and keyboard shortcuts across modern programming languages, cloud platforms, and DevOps tools.
Search & Filter 520+ Developer Cheat Sheets
Showing 1550 of 1550 verified copyable reference sheets
Git & GitHub CLI
Comprehensive Git commands: branching with switch/restore, interactive rebase, reflog recovery, cherry-pick, and bisect.
Docker & Docker Compose
Container management, image building, multi-stage builds, networks, volumes, and Docker Compose v2.
Linux Bash & Shell Essentials
POSIX shell utilities, file manipulation, pipeline filters (grep, sed, awk, xargs), permissions, and process monitoring.
SQL & Database Queries
ANSI SQL standard: SELECT queries, JOINs, window functions, CTEs, GROUP BY HAVING, indexes, and transactions.
Python 3.13 Standard Library
Modern Python syntax, list comprehensions, itertools, asyncio, dataclasses, pattern matching, and typing.
Regular Expressions (Regex)
PCRE and JavaScript regex: lookaheads, lookbehinds, named capture groups, non-greedy quantifiers, and flags.
Markdown & GFM Syntax
GitHub Flavored Markdown: tables, task lists, code fences, callout alerts, footnotes, and math syntax.
TypeScript 5.8 & Type System
Generics, utility types, conditional types, template literal types, satisfies operator, and tsconfig settings.
JavaScript ES2026 Modern Syntax
ES2026 features: async/await, optional chaining, nullish coalescing, structuredClone, Promises, and Array methods.
Rust 2024 & Cargo Toolchain
Ownership, borrowing, lifetimes, pattern matching, traits, smart pointers, unsafe blocks, and Cargo CLI.
Go 1.24 Runtime & Tooling
Goroutines, channels, interfaces, error handling, generics, sync package, go modules, and pprof profiling.
Java 23 Modern Language Features
Records, sealed classes, pattern matching for switch, virtual threads (Project Loom), and Stream API.
C++23 Modern STL & Features
Smart pointers, move semantics, ranges library, concepts, coroutines, std::span, and constexpr.
C# 13 & .NET 9 Platform
LINQ, async streams, records, pattern matching, primary constructors, dependency injection, and dotnet CLI.
Swift 6 Concurrency & Language
TaskGroups, actors, async/await, protocols, generics, property wrappers, and SPM package commands.
Kotlin 2.1 Language & Coroutines
Coroutines, Flow, extension functions, data classes, sealed interfaces, null safety, and Gradle DSL.
PHP 8.4 Modern Syntax & Attributes
Property hooks, asymmetric visibility, enums, match expressions, named arguments, and Composer CLI.
Ruby 3.4 & Bundler Ecosystem
Blocks, procs, lambdas, pattern matching, YJIT configuration, rake tasks, and Bundler commands.
Senior Technical FAQ Hub: Developer Cheat Sheets
Comprehensive deep-dive questions covering internals, performance, memory models, security, and production gotchas (50 Total FAQs).