Java
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Working with Time Using Java Instant and Long
Working with timestamps in Java usually involves a choice between high-level types (like Instant) and low-level numeric representations (like long…
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Configure HTTPS for Jersey Client in Java Applications
Secure communication is essential when integrating Java applications with external APIs over HTTPS. The Jersey Client API provides a convenient…
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Truffle Framework – Writing High-Performance Language Interpreters on GraalVM
The software world is evolving fast, and the need for custom languages is growing. Whether for domain-specific languages (DSLs), scripting…
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Polyglot Applications – Running Java, JavaScript, Python, and Ruby Together Seamlessly
The modern software world rarely fits into the boundaries of a single language. A team might use Java for backend…
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GraalVM and Spring Boot – Best Practices for Native Image Spring Apps
Spring Boot has long been the go-to framework for building production-grade Java applications quickly. But one of the biggest criticisms…
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PostgreSQL LISTEN/NOTIFY Events Example
1. Introduction In modern applications, real-time responsiveness is no longer optional. For developers working with Java and PostgreSQL, one of…
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Spring JDBC IncorrectResultSetColumnCountException: Incorrect column count Fix
1. Overview When working with Spring JDBC, one common issue developers face is the spring.jdbc.IncorrectResultSetColumnCountException. This exception occurs when the…
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Spring Boot Apache Camel ProducerTemplate Example
1. Overview When working with Spring Boot Apache Camel ProducerTemplate, you gain a powerful way to send messages programmatically into…
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Memory Leak Patterns & Repairs in Popular Java Projects
If you’ve ever seen your Java application quietly balloon in memory until it looks like it’s ready to host a…
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