Quasar Fibers vs Platform Threads: A JVM Concurrency Decision Guide
Decide when Quasar fibers fit your JVM concurrency needs, with constraints, trade-offs, and an unverified implementation pattern.
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quasarDiagnosing and Fixing Memory Leaks Caused by Lazy Sequence Head Retention in Clojure
Learn how to diagnose and resolve memory leaks in Clojure caused by lazy sequence head retention, including heap dump analysis and realization strategies.
clojureUsing Ceylon Modules to Avoid Dependency Hell
Learn how Ceylon’s module system lets you expose only the API you choose, hide internal code, and keep dependencies from colliding across teams.
Solving Type Erasure in Kotlin with Inline Reified Parameters
Learn how Kotlin's inline functions and reified type parameters overcome JVM type erasure to create cleaner, type-safe APIs without the boilerplate of passing Class objects.
Deploy Akka Cluster Sharding for Single-Instance Entity Actors
Configure Akka Cluster Sharding to ensure exactly one actor instance per entity ID across a JVM cluster, set extraction functions, start ShardRegion, and verify distribution and rebalancing.
akkaBalancing Speed and Flexibility with Groovy's @CompileStatic
Learn how to use @CompileStatic in Groovy to eliminate dynamic dispatch overhead and achieve Java-like performance without losing Groovy's concise syntax.
groovyStop Mixing Up Long IDs with Kotlin Inline Classes
Kotlin inline classes wrap a primitive in a distinct compile-time type without the runtime cost of a regular wrapper class. Here's when they help and where they break down.
Ceylon's Declaration-Site Variance: What the JVM Actually Sees
Ceylon removes Java's wildcard boilerplate with declaration-site variance and type inference, but JVM erasure means bridge methods and hidden casts remain. Here is how to verify the tradeoff before adopting it.
Building and Running a Ceylon Module on the JVM with the CLI
A task guide to declaring a Ceylon module descriptor, resolving dependencies, compiling, running, and packaging a self-contained JVM archive with the Ceylon CLI.
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