老董

Question on struck when interacting with subprocess

2

I have a shell app. Generally, I would open it in a shell, then I input a command "ucci" to it, then it feedbacks some lines of strings. And I...

I came up this question when reading paper of Alpha(Go)Zero, and I know formula to calculate Elo. But when it comes to self-play, for example, player A and B (which...

比如，回测我希望知道策略的最大连续亏损笔数或者别的自定义指标，可否支持？若支持的话，该怎么写呢？ 另外想问下，关于手续费率，不知道是不是默认的回测就是依据实盘的费率来算的？

How to get "sheet" directly from buffer of bytes?

2

I am dealing some excel data sent from web. Some the type of data is bytes, not a file with a path. Is there a simple way to do so...

why there is no treeview like plugin?

4

for the semantic version 2.4.1. I didn't find any plugin that could behave like a tree view, the most like plugin would be `Bulleted` list from [here](https://semantic-ui.com/elements/list.html) , but the...

split_before_first_argument inconsistent behavior

1

I use "split_before_first_argument = false" with yapf of latest vesion 0.30. But I found the result is little inconsistent , for example, ``` order = COrder("objects", False, "", False, False,...

something wrong with "arrow key"

4

The following code gives result out of expectation in win10. ``` // enigo.key_down(Key::Raw(0x27)); // thread::sleep(Duration::from_secs(1)); // enigo.key_up(Key::Raw(0x27)); // enigo.key_down(Key::RightArrow); thread::sleep(Duration::from_secs(1)); enigo.key_up(Key::RightArrow); ``` One guess is that there are missing code...

Generally, it is impossible to get ownership of **immutable reference** from a method of a struct object. But sometimes, like I stated [here](https://stackoverflow.com/questions/72226926/how-to-return-the-value-of-a-reference-field-of-a-struct-that-is-no-longer-used/72227016?noredirect=1#comment127610977_72227016), when it is confirmed that the struct...

After reading the early and the latter paper of NEAT, I still am not clear on the feature of NEAT for POMDP problem. For instance, the game double-pole need velocity...

Is it possible to grab screen on time?

3

Sometimes I would try to input image to model from video or a window screen right on time, which is not recorded on disk. Is it possible with decord?