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Py
Python
Versatile, readable. Perfect for AI/ML, web, and automation.
BeginnerAI/MLv3.12
JS
JavaScript
The language of the web. Powers front-end and back-end apps.
WebNode.jsES2024
Rs
Rust
Systems programming with memory safety and blazing performance.
SystemsPerformancev1.78
TS
TypeScript
JavaScript with static typing — safer, scalable code.
WebTypedv5.4
Latest News
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🤖 AI 3 min
Claude 4 Sets New Benchmark in Reasoning and Code Generation
Anthropic's latest model demonstrates significant improvements across mathematical reasoning and multi-step code generation, outperforming previous versions by a substantial margin.
💻 Dev 5 min
Rust Named Most Admired Language for the 9th Year in a Row
Stack Overflow's annual developer survey reveals Rust continues to dominate developer satisfaction, with 83% of users saying they'd choose it again.
🚀 Startups 2 min
Y Combinator W24 Batch: 70% of Startups Using AI in Core Product
This season's batch reveals a record number of AI-native startups building tooling to help developers ship faster using large language models.
Hot Discussions
Community
248
How do I efficiently handle 10 million database records in Python without running out of memory?
r/Python
RK
ravi_k 472h ago
189
Just shipped my first open source CLI tool in Rust — here's what I learned
r/OpenSource
AM
a_mehta 315h ago
134
Is React still the best choice for new projects in 2025, or should I look at alternatives?
r/WebDev
SJ
sara_j 89Yesterday
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GPT-5 Technical Report Released
AI · 4.2k views
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Python 3.13 Release Notes
Python · 3.1k views
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GitHub Copilot Goes Free
Dev Tools · 2.9k views
04
Deno 2.0 Production Ready
JavaScript · 2.1k views
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Programming Languages
Click any language to open full documentation with code examples and exercises.
Py
Python
v3.12
Simple syntax. Perfect for beginners, AI/ML, and web development.
BeginnerAI/ML🔥 Trending
JS
JavaScript
ES2024
Language of the web — run in browsers, servers, and everywhere.
WebFull StackNode.js
TS
TypeScript
v5.4
JavaScript with type safety. Reduces runtime bugs and improves tooling.
TypedWebAngular
Rs
Rust
v1.78
Systems-level performance with compile-time memory safety guarantees.
AdvancedSystemsWebAssembly
Jv
Java
v21 LTS
Write once, run anywhere. Enterprise-grade OOP language.
EnterpriseOOPBackend
Go
Go
v1.22
Simple, fast, built for concurrency. Google's language of choice.
BackendCloudConcurrency
Sw
Swift
v5.10
Apple's modern, safe, fast language for iOS and macOS.
iOSmacOSSwiftUI
Kt
Kotlin
v2.0
Modern, expressive language for Android and multi-platform development.
AndroidJVMMultiplatform
C++
C++
C++23
High-performance language for systems, games, and embedded software.
AdvancedGamesSystems
SQL
SQL
Standard
Universal language for querying and managing relational databases.
DatabasesDataEssential
Rb
Ruby
v3.3
Developer happiness focused. Famous for Ruby on Rails.
WebRailsScripting
Dt
Dart
v3.3
Google's language for cross-platform apps with Flutter.
FlutterMobileWeb
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🤖 Artificial Intelligence
4 min   Today
OpenAI Releases o3-mini: Smaller Model, Comparable Reasoning
The new model targets cost-sensitive use cases while maintaining near-parity with o3 on most reasoning benchmarks. Available via API starting today.
OpenAILLMAPI
💻 Programming
6 min   Yesterday
Node.js 22 LTS: What's New and Why You Should Upgrade
Node 22 enters LTS status with native test runner improvements, ESM support enhancements, and a V8 engine upgrade bringing up to 30% performance gains.
Node.jsJavaScriptLTS
🔐 Security
3 min   2 days ago
Critical CVE in Popular npm Package Affects 2 Million Projects
A vulnerability in a widely-used JSON parsing library allows arbitrary code execution through specially crafted payloads. Patch immediately.
npmCVESecurity
☁️ Cloud
5 min   3 days ago
AWS Cuts Lambda Pricing by 20% as Competition with Vercel Heats Up
Amazon announces a significant price reduction for Lambda invocations and compute time, responding to growing pressure from edge-computing platforms.
AWSServerlessCloud
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r/Python12.4k
r/JavaScript10.1k
r/AI9.8k
r/WebDevelopment8.2k
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Builder
AI-Powered Developer Tools

Real AI tools powered by Claude — code explanation, quizzes, debugging, learning paths, and more.

Download required for AI features
These tools make live API calls — they work when you download the file and open it in your browser (Chrome, Firefox, Edge). They cannot run inside the Claude.ai preview due to browser security restrictions.
Code Explainer
Paste any code snippet and get a clear, line-by-line explanation in plain English. Supports 30+ languages.
Error Debugger
Paste your error or stack trace. Get the cause explained and a step-by-step fix with code examples.
Quiz Generator
Get AI-generated multiple-choice quizzes for any language at any difficulty level. Instant feedback included.
Article Summarizer
Paste any article text and get a structured summary with TL;DR, key points, and developer impact.
Learning Path Builder
Tell us your goal and current level. Get a personalized 6-month roadmap with milestones and projects.
Code Reviewer
Submit your code for a senior-level review covering readability, performance, security, and best practices.
RK
Rahul Kumar
@rahul_k · Joined Dec 2023
142
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Completed Python — Functions chapter
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🐍 Python
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Completed Python Functions quiz — 9/10+50 XP
Replied to "async/await" thread in r/JavaScript+10 XP
Read 5 news articlesYesterday
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