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Core Java
Apache POI HSSFWorkbook: Read, Write, and Stream Excel
Working with Excel files is a common requirement in enterprise Java applications, whether for reporting, data exchange, or bulk uploads.…
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Software Development
Select Text from Autocomplete Fields with Selenium WebDriver
Autocomplete inputs are common in modern web apps for search, tagging, and form completion. Unlike simple text fields, these inputs…
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Core Java
Getting Started with MyBatis Dynamic SQL
MyBatis Dynamic SQL is a type-safe Java DSL (Domain-Specific Language) for building SQL queries programmatically instead of writing SQL strings…
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Core Java
Getting Started with JUnit 5 Testing in Micronaut
Micronaut makes testing Java applications straightforward with native JUnit 5 integration. Its lightweight dependency injection, embedded server support, and simple…
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Enterprise Java
Accessing Resources in Quarkus Native Images
Quarkus makes it easy to build ultra-fast native executables using GraalVM, but resource handling behaves differently compared to a traditional…
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Core Java
How to Fix Hibernate’s token ‘*’ SyntaxException
Hibernate’s JPQL (Java Persistence Query Language) provides an object-oriented abstraction over SQL, allowing us to query entities instead of database…
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Core Java
EBCDIC to ASCII Conversion in Java
Many enterprise systems still rely on legacy platforms such as IBM mainframes, where data is commonly stored using EBCDIC (Extended…
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Core Java
How to Collect Entity IDs from Java Collections
In many applications, we often work with collections of domain entities retrieved from a database, API, or in-memory source, and…
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Node.js
Implement Multi-Threading in Node.js With Worker Threads
Node.js is known for its single-threaded architecture powered by the event loop. While this design is excellent for I/O-driven applications,…
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