Code Snippets

Common code snippets by task and language — what to watch for before you copy-paste.

360 pages

• JavaScript Snippet: Parse JSON
• TypeScript Snippet: Parse JSON
• Python Snippet: Parse JSON
• Go Snippet: Parse JSON
• Rust Snippet: Parse JSON
• Java Snippet: Parse JSON
• C# Snippet: Parse JSON
• PHP Snippet: Parse JSON
• Ruby Snippet: Parse JSON
• Swift Snippet: Parse JSON
• Kotlin Snippet: Parse JSON
• C++ Snippet: Parse JSON
• C Snippet: Parse JSON
• Dart Snippet: Parse JSON
• Scala Snippet: Parse JSON
• Elixir Snippet: Parse JSON
• Haskell Snippet: Parse JSON
• Perl Snippet: Parse JSON
• R Snippet: Parse JSON
• Bash Snippet: Parse JSON
• SQL Snippet: Parse JSON
• Lua Snippet: Parse JSON
• Julia Snippet: Parse JSON
• Objective-C Snippet: Parse JSON
• Clojure Snippet: Parse JSON
• JavaScript Snippet: Validate an email address
• TypeScript Snippet: Validate an email address
• Python Snippet: Validate an email address
• Go Snippet: Validate an email address
• Rust Snippet: Validate an email address
• Java Snippet: Validate an email address
• C# Snippet: Validate an email address
• PHP Snippet: Validate an email address
• Ruby Snippet: Validate an email address
• Swift Snippet: Validate an email address
• Kotlin Snippet: Validate an email address
• C++ Snippet: Validate an email address
• C Snippet: Validate an email address
• Dart Snippet: Validate an email address
• Scala Snippet: Validate an email address
• Elixir Snippet: Validate an email address
• Haskell Snippet: Validate an email address
• Perl Snippet: Validate an email address
• R Snippet: Validate an email address
• Bash Snippet: Validate an email address
• SQL Snippet: Validate an email address
• Lua Snippet: Validate an email address
• Julia Snippet: Validate an email address
• Objective-C Snippet: Validate an email address
• Clojure Snippet: Validate an email address
• JavaScript Snippet: Generate a UUID
• TypeScript Snippet: Generate a UUID
• Python Snippet: Generate a UUID
• Go Snippet: Generate a UUID
• Rust Snippet: Generate a UUID
• Java Snippet: Generate a UUID
• C# Snippet: Generate a UUID
• PHP Snippet: Generate a UUID
• Ruby Snippet: Generate a UUID
• Swift Snippet: Generate a UUID
• Kotlin Snippet: Generate a UUID
• C++ Snippet: Generate a UUID
• C Snippet: Generate a UUID
• Dart Snippet: Generate a UUID
• Scala Snippet: Generate a UUID
• Elixir Snippet: Generate a UUID
• Haskell Snippet: Generate a UUID
• Perl Snippet: Generate a UUID
• R Snippet: Generate a UUID
• Bash Snippet: Generate a UUID
• SQL Snippet: Generate a UUID
• Lua Snippet: Generate a UUID
• Julia Snippet: Generate a UUID
• Objective-C Snippet: Generate a UUID
• Clojure Snippet: Generate a UUID
• JavaScript Snippet: Debounce a function
• TypeScript Snippet: Debounce a function
• Python Snippet: Debounce a function
• Go Snippet: Debounce a function
• Rust Snippet: Debounce a function
• Java Snippet: Debounce a function
• C# Snippet: Debounce a function
• PHP Snippet: Debounce a function
• Ruby Snippet: Debounce a function
• Swift Snippet: Debounce a function
• Kotlin Snippet: Debounce a function
• C++ Snippet: Debounce a function
• C Snippet: Debounce a function
• Dart Snippet: Debounce a function
• Scala Snippet: Debounce a function
• Elixir Snippet: Debounce a function
• Haskell Snippet: Debounce a function
• Perl Snippet: Debounce a function
• R Snippet: Debounce a function
• Bash Snippet: Debounce a function
• SQL Snippet: Debounce a function
• Lua Snippet: Debounce a function
• Julia Snippet: Debounce a function
• Objective-C Snippet: Debounce a function
• Clojure Snippet: Debounce a function
• JavaScript Snippet: Throttle a function
• TypeScript Snippet: Throttle a function
• Python Snippet: Throttle a function
• Go Snippet: Throttle a function
• Rust Snippet: Throttle a function
• Java Snippet: Throttle a function
• C# Snippet: Throttle a function
• PHP Snippet: Throttle a function
• Ruby Snippet: Throttle a function
• Swift Snippet: Throttle a function
• Kotlin Snippet: Throttle a function
• C++ Snippet: Throttle a function
• C Snippet: Throttle a function
• Dart Snippet: Throttle a function
• Scala Snippet: Throttle a function
• Elixir Snippet: Throttle a function
• Haskell Snippet: Throttle a function
• Perl Snippet: Throttle a function
• R Snippet: Throttle a function
• Bash Snippet: Throttle a function
• SQL Snippet: Throttle a function
• Lua Snippet: Throttle a function
• Julia Snippet: Throttle a function
• Objective-C Snippet: Throttle a function
• Clojure Snippet: Throttle a function
• JavaScript Snippet: Deep clone an object
• TypeScript Snippet: Deep clone an object
• Python Snippet: Deep clone an object
• Go Snippet: Deep clone an object
• Rust Snippet: Deep clone an object
• Java Snippet: Deep clone an object
• C# Snippet: Deep clone an object
• PHP Snippet: Deep clone an object
• Ruby Snippet: Deep clone an object
• Swift Snippet: Deep clone an object
• Kotlin Snippet: Deep clone an object
• C++ Snippet: Deep clone an object
• C Snippet: Deep clone an object
• Dart Snippet: Deep clone an object
• Scala Snippet: Deep clone an object
• Elixir Snippet: Deep clone an object
• Haskell Snippet: Deep clone an object
• Perl Snippet: Deep clone an object
• R Snippet: Deep clone an object
• Bash Snippet: Deep clone an object
• SQL Snippet: Deep clone an object
• Lua Snippet: Deep clone an object
• Julia Snippet: Deep clone an object
• Objective-C Snippet: Deep clone an object
• Clojure Snippet: Deep clone an object
• JavaScript Snippet: Format a date
• TypeScript Snippet: Format a date
• Python Snippet: Format a date
• Go Snippet: Format a date
• Rust Snippet: Format a date
• Java Snippet: Format a date
• C# Snippet: Format a date
• PHP Snippet: Format a date
• Ruby Snippet: Format a date
• Swift Snippet: Format a date
• Kotlin Snippet: Format a date
• C++ Snippet: Format a date
• C Snippet: Format a date
• Dart Snippet: Format a date
• Scala Snippet: Format a date
• Elixir Snippet: Format a date
• Haskell Snippet: Format a date
• Perl Snippet: Format a date
• R Snippet: Format a date
• Bash Snippet: Format a date
• SQL Snippet: Format a date
• Lua Snippet: Format a date
• Julia Snippet: Format a date
• Objective-C Snippet: Format a date
• Clojure Snippet: Format a date
• JavaScript Snippet: Sort an array of objects
• TypeScript Snippet: Sort an array of objects
• Python Snippet: Sort an array of objects
• Go Snippet: Sort an array of objects
• Rust Snippet: Sort an array of objects
• Java Snippet: Sort an array of objects
• C# Snippet: Sort an array of objects
• PHP Snippet: Sort an array of objects
• Ruby Snippet: Sort an array of objects
• Swift Snippet: Sort an array of objects
• Kotlin Snippet: Sort an array of objects
• C++ Snippet: Sort an array of objects
• C Snippet: Sort an array of objects
• Dart Snippet: Sort an array of objects
• Scala Snippet: Sort an array of objects
• Elixir Snippet: Sort an array of objects
• Haskell Snippet: Sort an array of objects
• Perl Snippet: Sort an array of objects
• R Snippet: Sort an array of objects
• Bash Snippet: Sort an array of objects
• SQL Snippet: Sort an array of objects
• Lua Snippet: Sort an array of objects
• Julia Snippet: Sort an array of objects
• Objective-C Snippet: Sort an array of objects
• Clojure Snippet: Sort an array of objects
• JavaScript Snippet: Remove duplicates from an…
• TypeScript Snippet: Remove duplicates from an…
• Python Snippet: Remove duplicates from an array
• Go Snippet: Remove duplicates from an array
• Rust Snippet: Remove duplicates from an array
• Java Snippet: Remove duplicates from an array
• C# Snippet: Remove duplicates from an array
• PHP Snippet: Remove duplicates from an array
• Ruby Snippet: Remove duplicates from an array
• Swift Snippet: Remove duplicates from an array
• Kotlin Snippet: Remove duplicates from an array
• C++ Snippet: Remove duplicates from an array
• C Snippet: Remove duplicates from an array
• Dart Snippet: Remove duplicates from an array
• Scala Snippet: Remove duplicates from an array
• Elixir Snippet: Remove duplicates from an array
• Haskell Snippet: Remove duplicates from an array
• Perl Snippet: Remove duplicates from an array
• R Snippet: Remove duplicates from an array
• Bash Snippet: Remove duplicates from an array
• SQL Snippet: Remove duplicates from an array
• Lua Snippet: Remove duplicates from an array
• Julia Snippet: Remove duplicates from an array
• Objective-C Snippet: Remove duplicates from an…
• Clojure Snippet: Remove duplicates from an array
• JavaScript Snippet: Flatten a nested array
• TypeScript Snippet: Flatten a nested array
• Python Snippet: Flatten a nested array
• Go Snippet: Flatten a nested array
• Rust Snippet: Flatten a nested array
• Java Snippet: Flatten a nested array
• C# Snippet: Flatten a nested array
• PHP Snippet: Flatten a nested array
• Ruby Snippet: Flatten a nested array
• Swift Snippet: Flatten a nested array
• Kotlin Snippet: Flatten a nested array
• C++ Snippet: Flatten a nested array
• C Snippet: Flatten a nested array
• Dart Snippet: Flatten a nested array
• Scala Snippet: Flatten a nested array
• Elixir Snippet: Flatten a nested array
• Haskell Snippet: Flatten a nested array
• Perl Snippet: Flatten a nested array
• R Snippet: Flatten a nested array
• Bash Snippet: Flatten a nested array
• SQL Snippet: Flatten a nested array
• Lua Snippet: Flatten a nested array
• Julia Snippet: Flatten a nested array
• Objective-C Snippet: Flatten a nested array
• Clojure Snippet: Flatten a nested array
• JavaScript Snippet: Merge two objects
• TypeScript Snippet: Merge two objects
• Python Snippet: Merge two objects
• Go Snippet: Merge two objects
• Rust Snippet: Merge two objects
• Java Snippet: Merge two objects
• C# Snippet: Merge two objects
• PHP Snippet: Merge two objects
• Ruby Snippet: Merge two objects
• Swift Snippet: Merge two objects
• Kotlin Snippet: Merge two objects
• C++ Snippet: Merge two objects
• C Snippet: Merge two objects
• Dart Snippet: Merge two objects
• Scala Snippet: Merge two objects
• Elixir Snippet: Merge two objects
• Haskell Snippet: Merge two objects
• Perl Snippet: Merge two objects
• R Snippet: Merge two objects
• Bash Snippet: Merge two objects
• SQL Snippet: Merge two objects
• Lua Snippet: Merge two objects
• Julia Snippet: Merge two objects
• Objective-C Snippet: Merge two objects
• Clojure Snippet: Merge two objects
• JavaScript Snippet: Convert a string to…
• TypeScript Snippet: Convert a string to…
• Python Snippet: Convert a string to camelCase
• Go Snippet: Convert a string to camelCase
• Rust Snippet: Convert a string to camelCase
• Java Snippet: Convert a string to camelCase
• C# Snippet: Convert a string to camelCase
• PHP Snippet: Convert a string to camelCase
• Ruby Snippet: Convert a string to camelCase
• Swift Snippet: Convert a string to camelCase
• Kotlin Snippet: Convert a string to camelCase
• C++ Snippet: Convert a string to camelCase
• C Snippet: Convert a string to camelCase
• Dart Snippet: Convert a string to camelCase
• Scala Snippet: Convert a string to camelCase
• Elixir Snippet: Convert a string to camelCase
• Haskell Snippet: Convert a string to camelCase
• Perl Snippet: Convert a string to camelCase
• R Snippet: Convert a string to camelCase
• Bash Snippet: Convert a string to camelCase
• SQL Snippet: Convert a string to camelCase
• Lua Snippet: Convert a string to camelCase
• Julia Snippet: Convert a string to camelCase
• Objective-C Snippet: Convert a string to…
• Clojure Snippet: Convert a string to camelCase
• JavaScript Snippet: Convert a string to…
• TypeScript Snippet: Convert a string to…
• Python Snippet: Convert a string to snake_case
• Go Snippet: Convert a string to snake_case
• Rust Snippet: Convert a string to snake_case
• Java Snippet: Convert a string to snake_case
• C# Snippet: Convert a string to snake_case
• PHP Snippet: Convert a string to snake_case
• Ruby Snippet: Convert a string to snake_case
• Swift Snippet: Convert a string to snake_case
• Kotlin Snippet: Convert a string to snake_case
• C++ Snippet: Convert a string to snake_case
• C Snippet: Convert a string to snake_case
• Dart Snippet: Convert a string to snake_case
• Scala Snippet: Convert a string to snake_case
• Elixir Snippet: Convert a string to snake_case
• Haskell Snippet: Convert a string to snake_case
• Perl Snippet: Convert a string to snake_case
• R Snippet: Convert a string to snake_case
• Bash Snippet: Convert a string to snake_case
• SQL Snippet: Convert a string to snake_case
• Lua Snippet: Convert a string to snake_case
• Julia Snippet: Convert a string to snake_case
• Objective-C Snippet: Convert a string to…
• Clojure Snippet: Convert a string to snake_case
• JavaScript Snippet: Reverse a string
• TypeScript Snippet: Reverse a string
• Python Snippet: Reverse a string
• Go Snippet: Reverse a string
• Rust Snippet: Reverse a string
• Java Snippet: Reverse a string
• C# Snippet: Reverse a string
• PHP Snippet: Reverse a string
• Ruby Snippet: Reverse a string
• Swift Snippet: Reverse a string
• Kotlin Snippet: Reverse a string
• C++ Snippet: Reverse a string
• C Snippet: Reverse a string
• Dart Snippet: Reverse a string
• Scala Snippet: Reverse a string
• Elixir Snippet: Reverse a string
• Haskell Snippet: Reverse a string
• Perl Snippet: Reverse a string
• R Snippet: Reverse a string
• Bash Snippet: Reverse a string
• SQL Snippet: Reverse a string
• Lua Snippet: Reverse a string
• Julia Snippet: Reverse a string
• Objective-C Snippet: Reverse a string
• Clojure Snippet: Reverse a string
• JavaScript Snippet: Check if a string is a…
• TypeScript Snippet: Check if a string is a…
• Python Snippet: Check if a string is a…
• Go Snippet: Check if a string is a palindrome
• Rust Snippet: Check if a string is a palindrome
• Java Snippet: Check if a string is a palindrome
• C# Snippet: Check if a string is a palindrome
• PHP Snippet: Check if a string is a palindrome
• Ruby Snippet: Check if a string is a palindrome
• Swift Snippet: Check if a string is a palindrome