Topics

Technical notes are grouped here so readers and search engines can discover the complete archive.

JVM and Java

• Java memory layout
• HotSpot object handling
• HotSpot GC features
• JVM garbage collection overview
• Basic JVM garbage collectors
• Java class loading
• Parent delegation in class loaders
• String.intern() and the string constant pool
• Java code points and code units
• Java Integer cache
• Java inner classes
• The volatile keyword
• Gradle build tools

Linux, kernels, and virtualization

• Debugging the Linux kernel with Buildroot and QEMU
• Linux swap
• MediaTek 7921e Wi-Fi troubleshooting
• QEMU networking

Databases and distributed systems

• Akka basics
• Akka configuration
• Elasticsearch introduction
• Elasticsearch search
• Elasticsearch logical structure
• MySQL consistency
• Redis simple dynamic strings

Frontend and desktop applications

• React-related stack
• Creating a React component
• JSX
• Function-style React components
• React state
• React hooks
• React effects
• Electron structure

Functional programming and miscellaneous notes

• Scala with Cats: anatomy of a type class
• Call of Silence