Explainers
23 articles
cURL Command Explained
N+1 Query Problem Explained
Blue-Green vs Canary Deployment Explained
WebSockets Explained
Kubernetes Resource Units Explained
Change Data Capture (CDC) Explained
Row vs Column Store Explained
Service Discovery Explained
Service Mesh Explained
DNS Records Explained
Passkeys Explained
Vector Databases and RAG Explained
SLI, SLO, and SLA Explained
Concurrency vs Parallelism Explained
Linux Directory Structure Explained
MCP Explained
Snowflake IDs Explained
Cron Jobs Explained
Regular Expressions Explained
Zero-Day Vulnerability Explained
Quartz Cron Expressions Explained
Linux File Permissions Explained
Dev Tools
4 tools
Ai
23 articles
Claude Code Skills: How to Create and Use Agent Skills
How to Use Cursor: 12 Tips to 10x Your Productivity
Cursor Skills: How to Create and Use Agent Skills
Vector Database Deep Dive: How They Actually Work
Model Context Protocol (MCP) Explained
Architecting Multi-Agent AI Swarms: A System Design Deep Dive
How to Set Up OpenClaw with Docker
How Perplexity Personal Computer Works: Mac Mini as a 24/7 AI Agent
Building a Code Review Assistant with LLMs
Prompt Injection: The #1 Security Threat to Your AI Application
Claude Cowork Guide for Software Developers
Building Your First RAG Application
How to Build an LLM Application From Scratch
How to Run Your Own AI Agent with Cloudflare Moltworker
Getting the Most Out of AI Coding Assistants
How Does an LLM Generate Text?
Local LLM Speed: RTX 3060, Qwen2 & Llama Benchmark Results
How to Run LLMs on Your Own Computer
Universal Commerce Protocol (UCP) Explained
How to Build AI Agents That Actually Work
Context Engineering Guide for AI Developers
Your JSON is Costing You Thousands: Why TOON Might Save Your Budget
Prompt Engineering Basics for Software Developers
Data structures
8 articles
Cuckoo Filter: A Better Bloom Filter That Supports Deletion
Skip List Data Structure: A Faster Alternative to Trees
Complete Guide to Graph Data Structure: BFS, DFS, Adjacency List vs Matrix
B-Tree Data Structure: How Databases Search Billions of Records
How HyperLogLog Works
How Count-Min Sketch Works
How Bloom Filters Work
Hash Collisions: The Hidden Performance Killer in Your Code
Database
17 articles
Time Series Databases Explained: InfluxDB, TimescaleDB, and Prometheus
Columnar Databases Explained: ClickHouse, BigQuery, and Redshift
Wide Column Stores Explained: Cassandra, Bigtable, and ScyllaDB
Designing Database Isolation for B2B Multi-Tenant SaaS
PostgreSQL MVCC and Autovacuum Explained
What Is a GUID? How to Generate One in C# and SQL Server
Debezium and the Outbox Pattern: The Real Impact on Your Postgres Database
PostgreSQL Internals: How Queries Actually Execute
How Database Locks Work: A Complete Guide
MongoDB Cheat Sheet: 100+ Commands with Real Examples
Redis vs DragonflyDB vs KeyDB: Best Redis Alternative in 2026?
When to Use PostgreSQL vs MongoDB vs DynamoDB (2026 Guide)
PostgreSQL Cheat Sheet: 100+ Commands with Real Examples
How Databases Actually Store Data Internally
Django PostgreSQL Setup: From Zero to Production
How Database Indexing Works
Postgres 18: The Release That Makes Databases Fast Again
Design patterns
25 articles
23 Must-Know Gang of Four Design Patterns
Visitor Design Pattern
Interpreter Design Pattern
Memento Design Pattern
Flyweight Design Pattern
Prototype Design Pattern
Bridge Design Pattern
Iterator Design Pattern
Mediator Design Pattern
Chain of Responsibility Design Pattern
Composite Design Pattern
Abstract Factory Design Pattern
Template Method Design Pattern
State Design Pattern
Command Design Pattern
Proxy Design Pattern
Facade Design Pattern
Adapter Design Pattern
Builder Design Pattern
Strategy Design Pattern
Factory Method Design Pattern
Singleton Design Pattern
Observer Design Pattern
Filter Design Pattern
Decorator Design Pattern
Devops
17 articles
OpenTelemetry in Production: A Complete Setup Guide
Distributed Tracing: Jaeger vs Tempo vs Zipkin
Docker Cheat Sheet: 100+ Commands with Real Examples
Kubernetes Cheat Sheet: Essential kubectl Commands for Developers
50+ Linux Commands Cheat Sheet: The Complete Developer Guide
HOCON vs YAML vs TOML vs JSON: Complete Configuration Format Comparison
Kubernetes Architecture: The Operating System for the Cloud
GitHub Actions: CI/CD Automation Basics
The Complete Guide to k6 Load Testing
Taming Pipeline Chaos: How I Used GitLab APIs and GPT to Analyze Thousands of Failures and Boost Stability
How to Exclude a Single Module from `sbt test` in a Multi-Module Scala Project
shell_session_update: command not found
Tool to execute commands in multiple directories
Print custom messages after executing git commands
Cool tips for vim users
Basic configuration of VIM
Vim modes - normal, insert and visual
Distributed systems
22 articles
Follower Reads Pattern in Distributed Systems
Stream Processing Explained: Kafka, Flink, and Real-Time Data Pipelines
Fixed Partitions Pattern in Distributed Systems
Emergent Leader Pattern in Distributed Systems
Request Waiting List Pattern in Distributed Systems
Request Pipeline Pattern in Distributed Systems
Consistent Core Pattern in Distributed Systems
Leader and Followers Pattern in Distributed Systems
Idempotent Receiver Pattern in Distributed Systems
Lease Pattern in Distributed Systems Explained
Lamport Clock in Distributed Systems
Hybrid Logical Clock in Distributed Systems
Low Watermark: How Distributed Systems Know What's Safe to Delete
High Watermark: How Distributed Systems Know What's Safe to Read
How Replicated Log Works in Distributed Systems
How Gossip Protocol Works in Distributed Systems
Majority Quorum in Distributed Systems Explained
Two-Phase Commit: The Protocol That Keeps Distributed Transactions Honest
Heartbeat: How Distributed Systems Know You're Still Alive
How Kafka Works: The Engine Behind Real-Time Data Pipelines
Paxos: The Democracy of Distributed Systems
Write-Ahead Log: The Golden Rule of Durable Systems
Git
6 articles
Git Flow vs GitHub Flow
How Git Stores Data Internally: The Object Model Explained
Git Config: How to Set, Edit & Configure Git (with gitconfig Example)
Git Cheat Sheet: Commands Every Developer Should Know
Git Command Line Basics: Essential Commands for Software Developers
GIT revert multiple commits
Java
5 articles
Mobile development
24 articles
Github Actions for Android
How Flutter Works Under the Hood
Offline Mode Of Android Apps
My upcoming talk in DroidConUK
Integrating Sherlock with android apps
Why your android application needs awareness api
Notify when android device network status changes
Android Data Binding
Android Custom Animations
Android Draggable View: Complete Implementation Guide
Android UI Design And Styling
apkToJava - Gem to convert apk file to java code
Android Padding vs Margin
Android UI for beginners
Android Build Process: How Your Code Becomes an APK
What happens when android screen rotates?
Android Instrumentation Testing Using Espresso
Testing Android Database
MVP in android
Gradient color in android
Schedule local notification in android
Android with sqlite database
Cucumber and calabash for android app testing
Instrumentation testing of list view
Ruby
10 articles
Pairing matrix for agile teams
Monitoring individual queue in sidekiq
Why aren't you using binstubs yet?
Prevent push on red build with the help of gocd_pre_push
Ruby gem to fetch information from gocd as rich models
Is ruby monkey patching evil?
MediaMagic: Convert any media file into encoded string or vice-versa
Closure in Ruby
nokogiri ERROR Failed to build gem native extension on MAC
Set up automation using cucumber and capybara
Security
4 articles
System design
44 articles
Serverless Computing Explained: How It Works and When to Use It
How Google manages billions of lines of code in one monorepo
Dropbox System Design: How Cloud File Storage Works
Payment System Design: Ledger, Idempotency, and Settlement
CDN System Design: How Content Delivery Networks Work
ULID Explained: How Sortable Unique IDs Work
Notification System Design: Push, SMS, Email at Scale
Flash Sale System Design: Architecture, Scale, and Oversell
Design TinyURL: System Design Interview Guide for URL Shorteners
Saga Pattern Explained: Distributed Transactions for Microservices
How GitHub Stores and Serves Git Repositories
REST vs GraphQL vs gRPC: How to Pick the Right API Protocol
Transactional Outbox Pattern: Never Lose an Event Again
Kafka vs RabbitMQ vs Amazon SQS: Picking the Right Message Broker
Circuit Breaker Pattern Explained: The Complete Guide
How to Solve the Thundering Herd Problem in Distributed Systems
How Consistent Hashing Works
How Netflix Video Processing Pipeline Works
How OpenAI Scales PostgreSQL to 800 Million Users
System Design Cheat Sheet: Concepts Every Developer Should Know
How Google Docs Works Behind the Scenes
How Meta Handles Millions of Serverless Function Calls Per Second
X Algorithm Explained: How the Open Source Recommendation System Works
How Snowflake IDs Work
Caching Strategies Explained: The Complete Guide
CQRS Pattern: Splitting Read and Write Models
How Google Ads Supports 4.8 Billion Users with a SQL Database
Role of Queues in System Design
How Amazon S3 Stores 100 Trillion Objects Without Losing One
Modular Monolith: The Architecture Most Teams Actually Need
The Complete Guide to Server-Sent Events (SSE)
Long Polling Explained: Build Real-Time Apps Without WebSockets
How Stock Brokers Push 1 Million Price Updates Per Second to Your Screen
Stop Blocking Your Paying Customers: Build a Smart Rate Limiter
How Shopify Powers 5 Million Stores Without Breaking a Sweat
How DNS Works: The Complete Guide for Developers
How Ticket Booking Systems Handle 50,000 People Fighting for One Seat
How Meta Achieves 99.99999999% Cache Consistency
How Slack Built a System That Handles 10+ Billion Messages
Distributed Counter System Design
How Stripe Prevents Double Payments With Idempotency Keys
55 Million Requests Per Second: Inside Cloudflare's Magic
How Uber Finds Nearby Drivers at 1 Million Requests per Second
How WhatsApp Scaled to Billions of Users with Just 50 Engineers
Tech news
66 articles
Dev Weekly Sep 21-27, 2026: Claude Opus 5.5, GPT-6 Sol and Luna, Grok 4.7, Next.js RCE
Dev Weekly Sep 14-20, 2026: Claude Code Projects, Plugin4Shell, Gemini 3.8 Live
Dev Weekly Sep 7-13, 2026: OpenAI Agents API, Cursor Projects, React 19.3, Record Patch Tuesday
Dev Weekly Aug 31-Sep 6, 2026: GPT-6 Astra Ships, Claude Fable 5.1, Nvidia Buys Hugging Face
Dev Weekly Aug 24-30, 2026: OpenAI Cuts Off Cursor, AWS Buys DuckLabs, Grok Bot on Pro
Dev Weekly Aug 17-23, 2026: Go 1.27 Generic Methods, Cursor Origin, GitHub's Outage, and Stripe's OpenRouter Deal
Dev Weekly Aug 10-16, 2026: Gemini 3.7 Flash, Grok 4.6, Patch Tuesday's 400 Fixes, and Anthropic's $2 Trillion IPO
Dev Weekly Aug 3-9, 2026: Meta Ships Muse Code, GPT-5.6 Luna Becomes the Free ChatGPT Default, Qwen 3.8-Max Goes GA, Next.js 16.3, and a Black Hat GitHub-Issue RCE in Claude Code, Gemini CLI, and Codex
Dev Weekly Jul 27-Aug 2, 2026: Node.js Ships Emergency Security Releases, Redis Patches AI-Found Zero-Days, DeepSeek V4 Flash Gets an Agentic Upgrade, Loco 1.0, Rails Active Storage RCE
Dev Weekly Jul 20-26, 2026: Anthropic Ships Claude Opus 5 at Half the Price, Google Floods the Market With Three Gemini Flash Models, Cursor Router, OpenAI Voice-Drives Codex, SharePoint Flaw Exploited
Dev Weekly Jul 13-19, 2026: Google's Gemini 3.5 Pro Delay Report, SpaceXAI Open-Sources Grok Build After Upload Scandal, Record 570-Flaw Patch Tuesday, AsyncAPI npm Attack, Fireworks AI Raises $1.5B
Dev Weekly Jul 6-12, 2026: OpenAI Ships GPT-5.6 Sol Terra Luna, SpaceXAI Launches Grok 4.5, ChatGPT Work Debuts, npm v12 Locks Down Installs, Apple Sues OpenAI, Microsoft Cuts 4,800 Jobs
Dev Weekly Jun 29-Jul 5, 2026: Claude Sonnet 5 Released, US Lifts Fable 5 Export Controls, GitHub Copilot Native in JetBrains, Meta Watermelon Catches GPT-5.5, Cloudflare Outage Hits npm
Dev Weekly Jun 22-28, 2026: OpenAI Previews GPT-5.6 Sol, Anthropic Says Claude Writes 80% of Its Code, Google Ships Gemini Interactions API, Leo npm Worm, Cursor Buys Continue
Dev Weekly Jun 15-21, 2026: SpaceX Buys Cursor for $60 Billion, North Korea Backdoors 140+ Mastra npm Packages, GitHub Copilot App Goes GA, AWS Summit Kiro Mobile, OpenAI Codex Record and Replay
Dev Weekly Jun 8-14, 2026: Apple WWDC and Siri AI, Claude Fable 5 Launched Then Pulled, Microsoft's Record Patch Tuesday, OpenAI Files for IPO and Buys Ona, SpaceX Nasdaq Debut
Dev Weekly Jun 1-7, 2026: Microsoft Build 2026 and MAI Models, GitHub Copilot Billing Goes Live, Anthropic Files for IPO, npm Miasma Worm, GitLab Cuts 14%
Dev Weekly May 25-31, 2026: Anthropic Hits $965B, Claude Opus 4.8 Ships, Cognition Raises $1B, Glassworm Botnet Goes Down, Wix Cuts 1,000
Dev Weekly May 18-24, 2026: Google I/O 2026, Anthropic Buys Stainless, SpaceX and OpenAI IPO Filings, Meta Cuts 8,000, Laravel-Lang Attack
Dev Weekly May 11-17, 2026: TanStack npm Attack Hits OpenAI, Patch Tuesday 137 Fixes, Anthropic $900B, Cursor 3.4
Dev Weekly May 4-10, 2026: Anthropic-SpaceX Compute Deal, Cloudflare Cuts 1,100, AWS Agent Payments, Cursor 3.3
Dev Weekly Apr 27-May 3, 2026: Microsoft-OpenAI Split, AWS Bedrock GPT-5.5, Pentagon AI Deals, Apple $111B
Dev Weekly Apr 20-26, 2026: Tim Cook Steps Down, GPT-5.5, Vercel Breach, Anthropic-AWS $100B
Dev Weekly Apr 13-19, 2026: Claude Opus 4.7, Codex Computer Use, Patch Tuesday Zero-Day, Snap Layoffs
Dev Weekly Apr 6-12, 2026: Anthropic Mythos Finds Decades-Old Zero-Days, Intel Joins $25B Terafab, Copilot Rubber Duck, Chrome Vertical Tabs
Dev Weekly: Axios npm Supply Chain Attack, Claude Code Source Code Leak, Oracle Lays Off 30,000, Cursor 3, Gemma 4
Dev Weekly: TeamPCP Supply Chain Attack Grows, Arm Ships First Chip, Codex Gets Plugins, EU Commission Hacked
Dev Weekly: Nvidia GTC Drops Vera Rubin, Stripe Ships 1,300 PRs/Week with AI, Laravel 13 Arrives
Dev Weekly: Anthropic Sues Pentagon, Google Closes $32B Wiz Deal, Atlassian Cuts 1,600
Dev Weekly Mar 2-8, 2026: GPT-5.4 Launch, Cursor AI Agents, US Gov Drops Anthropic, Oracle 30K Cuts
Dev Weekly Feb 23-Mar 1, 2026: OpenAI $110B, Anthropic vs Pentagon, Claude Used in 150GB Breach
Dev Weekly Feb 16-22, 2026: India AI Summit $250B, TypeScript 7 Compiler, npm Security Attack
How an AI Bot Named Kiro Took Down AWS Cost Explorer
Dev Weekly Feb 9-15: Anthropic Raises $30B, Seedance 2.0 Goes Viral, Google Launches CodeWiki
Dev Weekly Feb 2-8, 2026: SpaceX-xAI $1.25T Merger, GitHub Agent HQ, Docker AI Agent, Big Tech AI Spending
Dev Weekly: OpenAI Prism, Amazon Layoffs, Gemini Auto-Browse, MCP Apps Go Live
Dev Weekly: Apple's Siri Chatbot, ClickHouse $15B, Turbopack Deep Dive, Grok Unblocked
Dev Weekly: Microsoft Patch Tuesday Fixes 114 Flaws, Cloudflare Acquires Astro
Dev Weekly: GlassWorm Malware Steals macOS Dev Credentials, C# Wins Language of 2025, Postman Buys Fern
Dev Weekly: 2025 Year in Review - The Year AI Became Normal
Dev Weekly: SoftBank's $22.5B OpenAI Bet, Disney + Sora (Dec 22–28)
Dev Weekly: Cursor Acquires Graphite, Coursera Merges with Udemy, Privacy Extensions Caught Selling AI Chats (Dec 15–21, 2025)
Dev Weekly: IBM Buys Confluent for $11B, Linux Foundation Launches Agentic AI Foundation, 30+ AI Coding Extensions Have Security Flaws (Dec 8–14, 2025)
Dev Weekly: Anthropic Acquires Bun, Cloudflare Goes Down Again, Cursor Hits $2.3B (Dec 1–7, 2025)
Cloudflare Outage December 2025: A Nil Value Exception That Lurked for Years
Dev Weekly: AWS's 900 Data Centers Revealed, GPT-5 in Copilot Studio, Meta Wants Google TPUs (Nov 24–30, 2025)
Dev Weekly: Cloudflare Outage, Jeff Bezos' $6.2B AI Startup, X Encrypted Chat (Nov 17–23, 2025)
Cloudflare Global Outage: How a Database Permission Change Broke the Internet
Dev Weekly: Microsoft's $10B Portugal AI Hub, .NET 10 LTS, TypeScript Takes #1 Spot (Nov 10–16, 2025)
Dev Weekly: Microsoft's $9.7B AI Deal, Samsung-Nvidia AI Factory, Deepnote Goes Open Source (Nov 3–9, 2025)
Dev Weekly: Nvidia Hits $5T, OpenAI's $1T IPO Plans, Aardvark Security (Oct 27–Nov 2, 2025)
Dev Weekly: AWS Outage, Anthropic's $10B+ Deal, ChatGPT Atlas Browser (Oct 20–26, 2025)
AWS US-East-1 Outage: How a Network Load Balancer Bug Took Down Half the Internet
Dev Weekly: OpenAI's Massive AMD Deal, App Store Launch & Developer Talent Crisis (Oct 13–19, 2025)
Dev Weekly: Windows 10 Dies, Sora 2 Sparks Deepfake Fears, Nobel Goes to Quantum (Oct 6–12, 2025)
Dev Weekly: California Regulates AI Hiring, Claude Gets Developer Tools & EA's $55B Exit (Sep 29–Oct 5, 2025)
Dev Weekly: Nvidia's $100B AI Bet, Postgres 18 & Anthropic Copyright Battle (Sep 22–28, 2025)
Dev Weekly: Meta Connect Fails, Java 25 LTS, NPM Attack (Sep 15–21, 2025)
Dev Weekly: NPM Attack, AI Outage & VMware Exodus
Dev Weekly: Stripe Launches Tempo Blockchain, Google Fined $3.5B, Microsoft Open Sources BASIC
Dev Weekly: Nvidia's Mystery Customers, Meta Ditches Scale AI and Nx Supply chain attack
Dev Weekly: Coinbase Fires Engineers, GitHub Gets Agents Panel, and Intel Gets a Government Lifeline
Dev Weekly: GPT-5 Arrives, GitHub CEO Departs, and AI Safety Gets Real
Dev Weekly: GPT-5 Revolutionizes Development, Critical RubyGems Security Threat, and Python's Performance Leap
Dev Weekly: AWS Goes AI-Native, Mistral Unleashes Voxtral & Layoffs Hit Hard
Dev Weekly: GitHub Goes Dark, Python Breaks Free, and Azure Hits 1M Pods
Web development
9 articles
What Is A/B Testing and How It Works?
What Happens When You Type a URL in the Browser
Feature Flags and Feature Toggles: Complete Guide for Developers
Regex Cheat Sheet: Patterns Every Developer Should Know
The Complete HTMX Guide: From Zero to Production
WebTransport: The Protocol That Fixes What's Broken in WebSockets
How to integrate GraphQL with Sitecore using JSS
Conway's Game Of Life