Transposing a double[][] Matrix in Java

Matrix manipulation is common in Java applications, from data analytics to machine learning, and matrix transposition is one of the…

Read More »

Java PostgreSQL Query Cancellation Explained

PostgreSQL is known for its robustness, performance, and strong support for concurrency. However, while working with long-running queries, background jobs,…

Read More »

Joining Unrelated Tables with JPA Criteria API

In real-world enterprise applications, it is common to encounter database tables that do not have explicit JPA relationships (such as…

Read More »

Fixing java.io.NotSerializableException

The java.io.NotSerializableException is a common runtime exception in Java that occurs during the serialization process. Serialization is the mechanism of…

Read More »

Create Unique and Valid Identifiers in Java

Generating valid and unique identifiers is a fundamental requirement in software systems. Identifiers are used to uniquely represent entities such…

Read More »

How to Convert JSONArray to int[] in Java

In Java-based applications—especially those interacting with REST APIs, microservices, configuration files, or message queues—JSON is one of the most widely…

Read More »

Run Open-Source LLMs on Your PC Using Ollama

Running a Large Language Model (LLM) locally on your personal computer has become increasingly practical thanks to optimized open-source models…

Read More »

Building Semantic Caching with Spring AI

Traditional caching relies on exact key matching. This approach works well for deterministic inputs but fails when dealing with natural…

Read More »

Simplifying React with Derived State

As React applications grow, components often become harder to reason about due to excessive state. One common cause is storing…

Read More »