jsmn is a minimalistic and high-performance JSON parser written in C, particularly suitable for use in resource-constrained embedded environments. Its design goal is to maintain a very small code size and memory footprint while not relying on any external libraries. The table below summarizes the main features of jsmn for quick reference: Feature Category Details … Read more
⚡ simdjson: An Ultra-Fast C++ Library for Parsing GB-Level JSON per Second Have you encountered these issues in web services, big data processing, log analysis, database systems, or real-time communication? “JSON parsing is too slow, becoming a bottleneck in the system!”“Is there a faster solution than RapidJSON or nlohmann/json?”“Can we parse several GB of JSON … Read more
Yesterday afternoon, my boss approached me with a stern expression: “Why is this data processing so slow? The clients are complaining.” I glanced at the screen and noticed that the progress bar was almost stuck in place, leaving me speechless. I believe most people have had similar experiences; even when the code logic is flawless, … Read more
In modern C++ application development, exchanging data with external systems or persisting complex data structures is commonplace. JSON and XML, as two of the most popular data exchange formats, play a crucial role. Although the C++ standard library provides basic file I/O functionality, it does not include native support for JSON or XML. Therefore, leveraging … Read more
In embedded development, do you often encounter the dilemma: the device has limited memory, and you want to use JSON, a universal data format, but are deterred by the “bulkiness” of mainstream libraries? Don’t worry, today I will introduce a lightweight JSON parsing/generating library specifically designed for resource-constrained scenarios—tiny-json, allowing you to easily handle JSON … Read more
Practical Python Pattern Matching: Refactoring JSON Parsers with match/case Reduces Code by 40%! 1. Introduction Have you ever been tormented by layers of nested <span>if/elif</span> code blocks? Let’s take a look at a piece of code that parses user data and feel the “code hell”: def parse_user(data): if isinstance(data, dict): if "name" in data: name … Read more
Scenario Recreation: A Frustrating JSON Parsing Issue Recently, during a project integration process, our team encountered a bizarre JSON parsing issue. Here’s what happened: The frontend team copied a normal cURL request from Chrome Developer Tools: curl -X POST https://api.ourcompany.com/v1/orders \ -H "Content-Type: application/json" \ -H "Content-Length: 187" \ -d '{"order_id":"123456","products":[{"sku":"A001","qty":2}],"remark":"Weekend Delivery"}' This request worked … Read more