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Description

Added a small definition about programming/coding playgrounds for making it understandable to beginners

Why is this valuable (or not)?

Copy the definition merged in #6822 into the rest of CONTRIBUTING files, opening a 3 weeks window to translate it by our comunity

Checklist:

• Read our [contribu

As explained in microsoft/TypeScript#2548, the following code is not correct when useDefineForClassFields: false, which is the default for targets before ES2021.

const x = 1
class C {
    p = x
    constructor(x: string) { }
}

However, when useDefineForClassFields: true, there shouldn't be an error here.

Expected: No error 2301 on `private p =

GTest exports the following targets:

• GTest::gtest
• GTest::gtest_main
• GTest::gmock
• GTest::gmock_main

This targets should also be available when adding gtest with add_subdirectory (or FetchContent), because this should behave the same way as adding GTest with find_package. So somewhere, we should add the aliases to these targets, i.e.

add_library(GTest::gtest ALIAS 

🐛 Bug

The documentation of DQN agent (https://stable-baselines3.readthedocs.io/en/master/modules/dqn.html) specifies that log_interval parameter is "The number of timesteps before logging". However, when set to 1 (or any other value) the logging is not made at that pace but is instead made every log_interval episode (and not timesteps). In the example below this is made every 200 timesteps.

请提供下述完整信息以便快速定位问题/Please provide the following information to quickly locate the problem

使用PPOCRLabel标注的kie数据集无法直接用来训练，请问数据格式是需要手动转以下吗？

• 完整报错/Complete Error Message：

[2022/06/17 17:27:43] ppocr ERROR: When parsing line .jpg [{"transcription": "", "points": [[168, 675], [210, 679], [203, 1234], [159, 1233]], "difficult": false, "key_cls": "number"}, {"transcription": "*", "point