The Dev Refs

Quick reference guide for programming languages with short code examples

JavaScript logo
JavaScript
.js
23 code examples available
BasicsFunctionsData StructuresOOPAsyncES6+ModulesError HandlingBrowser APIsUtilities
Python logo
Python
.py
25 code examples available
BasicsFunctionsData StructuresUtilitiesOOPError HandlingFile I/OModulesAdvancedWebTools
TypeScript logo
TypeScript
.ts
19 code examples available
TypesFunctionsClassesAdvancedModulesError HandlingReal World
React logo
React
.jsx
16 code examples available
ComponentsHooksState ManagementPerformanceFormsError HandlingRoutingAdvancedReal World
CSS logo
CSS
.css
25 code examples available
BasicsLayoutEffectsTypographyStylingSelectorsAdvancedPerformanceDebuggingReal World
SQL logo
SQL
.sql
24 code examples available
BasicsFunctionsJoinsGroupingAdvancedDMLDDLPerformanceReal World
Go logo
Go
.go
23 code examples available
BasicsFunctionsData StructuresOOPError HandlingConcurrencyI/OData FormatsWebTestingPackagesReal World
Rust logo
Rust
.rs
25 code examples available
BasicsFunctionsMemoryData StructuresOOPAdvancedError HandlingConcurrencyPackagesReal World
C# logo
C#
.cs
19 code examples available
BasicsFunctionsOOPData StructuresError HandlingAdvancedI/OData FormatsWeb
PHP logo
PHP
.php
33 code examples available
BasicsData StructuresFunctionsOOPError HandlingI/OWebDatabaseData FormatsAdvancedUtilitiesPackagesSecurity
Ruby logo
Ruby
.rb
25 code examples available
BasicsData StructuresFunctionsOOPError HandlingI/OAdvancedUtilitiesData Formats