All(9)Java(2)Null Safety(1)PostgreSQL(1)Prompt Engineering(1)AI(1)Anthropic(1)LLM(1)JMH(1)ForkJoinPool(1)AOP(1)Transactional(1)JPA(1)Hibernate(1)N+1 Problem(1)Kafka(1)Producer(1)Reliability(1)Apache Kafka(1)

Solving the Billion-Dollar Mistake: Modern Java Null Safety with JSpecify and NullAway

Whether you're a developer just starting with Java or a senior engineer with two decades of experience, the most frequently encountered err
2025-09-24
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PostgreSQL MVCC Internals: From xmin/xmax to Isolation Levels

When multiple users access a database concurrently, how can we guarantee Isolation, one of the core ACID properties? While we could apply
2025-07-06
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Prompt Engineering Tips from Anthropic Engineers

Here are a few impressive points from youtube (AI prompt engineering: A deep dive) w
2025-06-24
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Discover how ForkJoinPool powers Java's high-performance parallel processing

Recently, I optimized our transport operation plan Excel upload feature, boosting performance for logistics system administrators. This too
2025-06-03
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Why @Transactional Sometimes Fails: A Deep Dive into Spring AOP Proxies

How @Transactional Works Transaction Management via AOP and the Proxy Pattern AOP (Aspect-Oriented Programming) is a programming p
2025-06-01
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Java ClassLoaders: How the JVM Dynamically Loads & Executes Your Code

Java's "Write Once, Run Anywhere" principle is foundational to its sustained popularity. This portability is powered by the Java Virtual Ma
2025-05-27
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Understanding and Resolving the N+1 Query Problem in JPA

The N+1 query problem arises when one initial query (1) is followed by N additional queries—one for each result row from the first quer
2025-05-05
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Kafka Producer Stability Check: Ensuring Message Safety in Apache Kafka

During a recent incident, our team observed message loss from a Kafka producer during an Amazon MSK rolling patch. What began as a routine
2025-05-04
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Sanha Ko
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