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json
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Learn Modern C++
I have not done a "desktop" program in 25+ years and never using C++ (or C), since then I'm mostly a web developer (PHP,Elixir, JS, Kotlin etc).
I'm currently doing a C++ audio plugin with the Juce framework.
This website has been a good resource, alongside https://www.learncpp.com
But I was actually close to give up before using those two things:
- https://github.com/nlohmann/json : my plugin use a json api backend and the Juce json implementation is atrocious (apparently because of being born in previous c++ version), but this library is GREAT.
- ChatGPT 4. I'm not sure I would have "succeeded" without it, at least not in a reasonable time frame. ChatGPT 3.5 is slow and does not give good results for my use case but 4 is impressive. And I use in a very dumb way, just posing question in the web UI. I probably could have it directly in MSVC?
Also I must say, for all its flaws, I have a renewed appreciation for doing UI on the web ;)
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What C++ library do you wish existed but hasn’t been created yet?
https://github.com/nlohmann/json works well for me
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[CMake] Can't include external header in .h file
cmake_minimum_required(VERSION 3.15) project(xrpc++ DESCRIPTION "C++ AT Protocol XRPC library" VERSION 1.0.0 LANGUAGES CXX) include(FetchContent) FetchContent_Declare(cpr GIT_REPOSITORY https://github.com/libcpr/cpr.git GIT_TAG 2553fc41450301cd09a9271c8d2c3e0cf3546b73) # The commit hash for 1.10.x. Replace with the latest from: https://github.com/libcpr/cpr/releases FetchContent_MakeAvailable(cpr) FetchContent_Declare(json URL https://github.com/nlohmann/json/releases/download/v3.11.2/json.tar.xz) FetchContent_MakeAvailable(json) add_library(${PROJECT_NAME} SHARED src/lexicon.cpp src/xrpc.cpp ) target_link_libraries(${PROJECT_NAME} PRIVATE cpr::cpr) target_link_libraries(${PROJECT_NAME} PRIVATE nlohmann_json::nlohmann_json) set_target_properties(${PROJECT_NAME} PROPERTIES VERSION ${PROJECT_VERSION}) set_target_properties(${PROJECT_NAME} PROPERTIES SOVERSION 1) target_include_directories(${PROJECT_NAME} PUBLIC include) set(CMAKE_BUILD_TYPE debug)
FetchContent_Declare(json URL https://github.com/nlohmann/json/releases/download/v3.11.2/json.tar.xz) FetchContent_MakeAvailable(json)
- What are some ways I can serialize objects?
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C++ Reflection for Component Serialization and Inspection
Exemple of a JSON library: https://github.com/nlohmann/json (For XML, there's tinyxml)
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How to convert a json file to CSV ?
https://github.com/nlohmann/json and https://github.com/d99kris/rapidcsv are single header file include libs
- PocketPy: A Lightweight(~5000 LOC) Python Implementation in C++17
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A small open source library Open AI C++
Looks like this makes a json string with https://github.com/nlohmann/json then uses libcurl to send it to a URL using an API key that has to be in an environment variable.
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C++ Packages for a custom Game Engine - That One Game Dev
I would add an honorable mention for Niels Lohmann's Json library. It is less performant than RapidJSON, but it easier to use and integrate imo. If JSON based IO isn't a hot path in your game, this lib will likely be easier to use.
json11
We haven't tracked posts mentioning json11 yet.
Tracking mentions began in Dec 2020.
What are some alternatives?
RapidJSON - A fast JSON parser/generator for C++ with both SAX/DOM style API
JsonCpp - A C++ library for interacting with JSON.
ArduinoJson - 📟 JSON library for Arduino and embedded C++. Simple and efficient.
Boost.PropertyTree - Boost.org property_tree module
yaml-cpp - A YAML parser and emitter in C++
cJSON - Ultralightweight JSON parser in ANSI C
ujson
simdjson - Parsing gigabytes of JSON per second : used by Facebook/Meta Velox, the Node.js runtime, ClickHouse, WatermelonDB, Apache Doris, Milvus, StarRocks
json-c - https://github.com/json-c/json-c is the official code repository for json-c. See the wiki for release tarballs for download. API docs at http://json-c.github.io/json-c/
spdlog - Fast C++ logging library.