Dev Tools

dev-tools 2026-04-28

How to Filter Arrays with JSONPath: Examples

Learn how to filter JSON arrays with JSONPath using equality, numeric comparisons, nested fields, existence checks, and real API examples.

jsonpath json filters

dev-tools 2026-04-28

Using JSONPath in JavaScript, Python, and Java

Compare JSONPath libraries in JavaScript, Python, and Java, including syntax differences, return modes, filters, and portability pitfalls.

jsonpath javascript python

dev-tools 2026-04-28

JSONPath vs JMESPath vs SQL/JSON: Which to Choose?

Compare JSONPath, JMESPath, and SQL/JSON by syntax, filters, portability, and real-world use cases in APIs, cloud tooling, and databases.

jsonpath jmespath sql-json

dev-tools 2026-03-20

Decompiling Java Class Files: A Practical Guide

Learn a practical workflow to decompile Java class files with browser tools, IntelliJ, and CFR so you can debug, audit, and verify behavior faster.

java decompilation bytecode

dev-tools 2026-03-20

Java Bytecode Structure Explained

Understand Java bytecode structure, constant pool entries, descriptors, stack frames, and invokedynamic so you can inspect class files with confidence.

java bytecode class file

dev-tools 2026-03-19

How Java Class File Decompilation Works

Learn how to decompile class files, how Java 9 StringConcatFactory uses invokedynamic, and how decompilers reconstruct readable Java from bytecode.

java bytecode decompilation

dev-tools 2026-03-18

Comparing JSON Objects for API Debugging

Learn how to compare JSON objects effectively for API debugging, config management, and CI/CD pipelines. Covers deep diff, JSON Patch, and best practices.

json diff api-debugging

dev-tools 2026-03-18

Converting Between JSON, YAML, CSV, and XML

Learn how to convert data between JSON, YAML, CSV, and XML formats. Understand conversion challenges, data loss risks, and best practices for each format.

json yaml csv

dev-tools 2026-03-18

JSON Patch RFC 6902 Guide: Add, Replace, Paths

Understand JSON Patch RFC 6902 fast: add inserts before array indexes, replace requires the target path to exist, and paths use JSON Pointer RFC 6901.

json-patch rfc-6902 json-pointer