Java

• Project Loom and Structured Concurrency
  
• Why a library developer should use abstract class instead of interface
  
• Thymeleaf Utility Objects
  
• Empirical Study of Usage and Performance of Java Collections
  
• The truth about Optional
  
• Teeing, a hidden gem in the Java API
  
• Brian Goetz: Handling InterruptedException
  
• Static vs Dynamic Binding in Java
  
• Java Debuggers: A Peek Under the Hood
  
• Hamcrest Matchers
  
• Compilation Overview
  
• Java API Compliance Checker
  
• Oracle JRE and JDK Cryptographic Roadmap
  
• Awesome Java: A curated list of awesome Java frameworks, libraries and software.
  
• Memoizing Functions With Core Java 9
  
• Java-Deserialization-Cheat-Sheet
  
• JavaMail Frequently Asked Questions
  
• Jandex
  
• revapi-diff: Report differences between Java APIs
  
• japicmp: Compare two JARs
  
• JDK API Diff Report Generator
  
• SIMD accelerated sorting in Java - how it works and why it was 3x faster
  
• Data Oriented Programming in Java
  
• 5 Mundane Java Performance Tips
  
• How to set an ideal thread pool size
  
• A Guide to Concurrent Queues in Java
  
• The Spring Data findAll Anti-Pattern
  
• Problems - A library that implements application/problem+json
  
• Lock @Scheduled Tasks With ShedLock and Spring Boot
  

Java Blogs

• Can Java microservices be as fast as Go?
  
• Building Reusable Mock Modules with Spring Boot
  
• The IntelliJ IDEA Blog
  
• Grzegorz Piwowarek
  
• Nicolai Parlog
  
• IBM: Java Blog
  
• Oracle: Java Platform Group, Product Management Blog
  
• Java Performance Tuning
  

Kotlin

• Kotlin Roadmap
  
• Kotlin Explicit Inlining At Megamorphic Call-Sites Pays Off In Performance
  
• inline, noinline, crossinline — What do they mean?
  
• Crash course on the Kotlin compiler
  
• Annotation use-site targets
  
• Valiktor: Type-safe, powerful and extensible fluent DSL to validate objects in Kotlin
  

JVM

• Networking I/O with Virtual Threads - Under the hood
  
• JVM Anatomy Quarks
  
• The JDK Flight Recorder File Format
  
• Create a new JVM instance in a native application via JNI
  
• The Java memory model explained
  
• Native Memory — The Silent JVM Killer
  
• Profiler: Shallow and retained sizes
  

Performance

• Java Performance Tuning
  
• HotSpot JVM Performance Tuning Guidelines
  
• Tricks of the Trade: Tuning JVM Memory for Large-scale Services
  
• Using JDK 9 Memory Order Modes
  
• JaCoLine - Java Command Line Inspector
  
• Why does my Java process consume more memory than Xmx?
  
• Large pages and Java
  
• Renaissance Suite: A modern benchmark suite for the JVM
  
• Containerize your Java applications
  

Testing

• How I Write Tests
  
• Don’t be lazy, use @Rules
  
• JUnit Pioneer - JUnit 5 Extension Pack
  
• Consumer Driven Contract Testing
  
• ArchUnit - Java architecture testing
  
• LogUnit: A Java library for unit-testing logging
  

Security

• Common Vulnerability Scoring System Version 3.1 Calculator
  
• The Joy of Cryptography
  
• DNSLog.cn
  
• Canary Tokens
  
• Exploiting JNDI Injections in Java
  
• The Joy of Cryptography
  
• Hash collisions and exploitations
  
• How Do You Prove a Secret?
  
• AWSome Pentesting Cheatsheet
  

Software Engineering

• Optimistic vs. Pessimistic locking
  
• Hill Climbing Search vs. Best First Search
  
• Hash maps that don’t hate you
  
• Let's Build a Regex Engine
  
• Reactive programming vs. Reactive systems
  
• Goodbye, Clean Code
  
• How defensive coding leads to bloat
  
• The Fibonacci Sequence as a Functor
  
• Carbon: Create and share beautiful images of your source code
  
• Hype-Driven Development: Don't Be a Victim!
  
• HTTP Feeds
  
• Cloud Design Patterns
  
• Design Patterns
  
• Don't Let the Internet Dupe You, Event Sourcing is Hard
  
• The Code Review Pyramid
  
• Mermaid: Create diagrams and visualizations using text and code
  
• Event Streaming is not Event Sourcing!
  
• How do Video Games Stay in Sync? An Intro to the Fascinating Networking of Real Time Games.
  
• A Git Origin Story
  
• Sorting algorithms visualized
  
• The Continuous Delivery Test
  
• What happens when you press a key in your terminal?
  
• Assessing Legacy Code Using Chesterton’s Fence
  
• Delivery Lead Time In Practice
  
• 6 Docker Compose Best Practices for Dev and Prod
  
• Service Mesh Comparison
  
• Useful engineering metrics and why velocity is not one of them
  
• What is a LSM Tree 🪵?
  
• Why JWTs Suck as Session Tokens
  
• Bocker - Docker implemented in around 100 lines of bash
  
• High Cardinality
  
• Always use [closed, open) intervals
  
• I/O is no longer the bottleneck
  
• BT Protocol Reverse Engineering
  
• Self-Signed SSL Certificates / OpenSSL Cheatsheet and Guide
  
• The Clean Architecture
  
• How to Write a Spelling Corrector
  
• GraphQL: From Excitement to Deception
  
• The Twelve-Factor App
  

Documentation

• C4 Architecture Cheat Sheet
  
• PlantUML Language Specification
  
• PlantUML Tables
  

Requirements Engineering

• Part 1: Why Software Requirements In The Real World Are Hard
  
• Part 2: Developing Software Requirements, A Case Study
  
• What are greenfield and brownfield applications?
  

Software Engineering Blogs

• The Overflow
  
• Habr: Development
  
• The Netflix Tech Blog
  

Software Engineering Tools

• httpbin - A simple HTTP Request & Response Service
  
• Zally: A minimalistic, simple-to-use OpenAPI 2 and 3 linter
  
• Markdown for Timelines
  
• JSON Visio
  
• Kaitai Struct - A new way to develop parsers for binary structures
  
• OSINT tools collection
  
• https://badssl.com
  
• Image Steganography Tool
  
• Dead simple wildcard DNS for any IP Address
  

SQL

• Use The Index, Luke
  
• Do not use OFFSET for pagination
  
• How does a relational database execute SQL statements and prepared statements
  
• Say NO to Venn Diagrams When Explaining JOINs
  
• Draw Entity-Relationship Diagrams
  

DevOps

• How to create a custom Jenkins Pipeline DSL
  
• Keep a changelog
  
• How are docker images built? A look into the Linux overlay file-systems and the OCI specification
  
• Book: Site Reliability Engineering - How Google Runs Production Systems
  
• Book: The Site Reliability Workbook - Practical Ways to Implement SRE
  
• A successful Git branching model
  
• Intro To Deployment Strategies: Blue-Green, Canary, And More
  
• Error Prone - Static Analysis Tool
  

JPA/Hibernate

• Hibernate: save, persist, update, merge, saveOrUpdate
  
• Cause of Death: Hibernate
  
• JPA Cheatsheet
  

Web

• Favicon Generator
  
• Modern Javascript: Everything you missed over the last 10 years
  
• Beautiful CSS box-shadow examples
  
• Over 1900 pixel-perfect icons for web design
  
• RSS Feed Best Practises
  
• The Open Graph protocol
  
• No-Class CSS Frameworks
  
• Cache your CORS
  
• Layout Breakouts with CSS Grid
  
• Unicode tools
  
• A Practical Guide to CSS Media Queries
  

Essays

• Essays on programming I think about a lot
  
• What if jobs are not the solution but the problem?
  
• Programming Sucks
  
• Why it is Important that Software Projects Fail
  

UX

• A Beg­inner’s Guide to Finding User Needs
  

Hardware

• Why Is Apple’s M1 Chip So Fast?
  
• What's new in CPUs since the 80s?
  
• The AArch64 processor (aka arm64)
  

IntelliJ SDK

• IntelliJ Platform UI Guidelines
  
• IntelliJ Platform Explorer
  
• IntelliJ Platform Icons
  

Design

• Ligatures in programming fonts: Hell No
  
• Lorem ipsum with additional content options
  
• Generic placeholder images
  
• Faux Code Generator
  
• The two types of quality
  

Career

• What a great technical resume can do for you
  
• How to write an effective developer resume: Advice from a hiring manager
  
• Slow Down, Finish Faster
  
• The System Design Primer
  
• Tech Interview Handbook
  
• InterviewBit
  
• Full-Stack, Coding & System Design Interview Questions
  

Career Blogs

• Leet Resumes Blog
  

Management

• WorkInProgress kills your progress
  
• How to Deliver Constructive Feedback in Difficult Situations
  
• Why You Should Repeat Yourself, A Lot
  

Science

• How to Show That the Earth Orbits the Sun
  
• How to Figure Out the Size of the Moon Yourself
  
• The Book of Experiments (PDF)
  

Life

• How to Talk about Yourself in the Best Possible Way
  
• How to Think for Yourself
  
• How to Write Technical Posts (so people will read them)
  
• Shift Your Mindset By Saying Less of These 4 Things
  
• How To Understand Things
  
• How to Get Yourself to Do Things
  
• How to stop self-sabotaging your career
  
• How to work hard
  
• Willingness to look stupid
  
• Book Summary: Finish What You Start: The Art of Following Through, Taking Action, Executing, & Self-Discipline
  
• How to Ask for Feedback
  
• How to tell a compelling story in scientific presentations
  
• Putting Ideas Into Words
  
• How to explain an idea: a mega post
  
• The Logic of Risk Taking
  
• 103 Bits of Advice I Wish I Had Known
  
• A Pragmatic Guide to Getting Things Done
  
• Ten Lessons I wish I had been Taught
  
• 9 Stoic Rules For A Better Life (From Marcus Aurelius)
  
• The procrastination cure you don't want to hear
  
• Productivity Porn
  
• How to present to executives
  
• How to turn down “volunteer” (but not really) projects at work
  
• Slow Down, Finish Faster
  

Life Blogs

• Raptitude
  

Other

• Bitcoin myths: immutability, decentralisation, and the cult of “21 million”
  
• Ligatures in programming fonts: Hell no
  
• Line Goes Up – The Problem With NFTs
  
• RAS syndrome