Playgrounds

Java Playground C & Assembler Playground PHP Playground JavaScript Playground Database Playground Shader Playground

Requests

RequestBin

Books and Tutorials

University of Helsinki - Java Programming C Programming: A Modern Approach Core Java Volume I - Fundamentals Core Java Volume II - Advanced Features Clean Code: A Handbook of Agile Software Craftsmanship The Art of PostgreSQL Spring Boot 3 and Spring Framework 6 Java Concurrency in Practice Effective Java

Documentations

Java Docs C Docs PHP Docs JavaScript Docs Postgres Docs

Disassembler

Java Disassembler (javap)

Timestamps

EpochConverter

Regex

Regex101

Architecture

Excalidraw Draw.io

Standards and Specifications

Java Language Specification, SE 21 Java Virtual Machine Specification, SE 21 C Standard, C17 ECMAScript Standard, ES14

IRC

Libera IRC (auto-join relevant channels)

Source Code Browser

Java Source Code Browser PHP Source Code Browser

Bash

ExplainShell

AI

OpenAI