Zhenyong Zhu

By reading the error message in console. It seems related to the change of Google Map's API policy https://cloud.google.com/maps-platform/user-guide/account-changes/#no-plan _You must have a valid API key and a billing account...

I gave it a shot today by creating a dummy project on Google. It requires billing information but first $200 every month is still free. After you sign up, Google...

I am not sure the first option to create a generic class is doable. In your case, you overloaded the operators on price and quantity properties. But there are infinite...

As you already overloaded the operators on `DeliveryShot`, you may use `Zip` function to zip two series together and apply your overloaded operators such as the following. ```csharp var s1...

Interactive debugging in data science scripting is important when project gets complex.

I am exploring the same problem today using data-forge. I think this chapter explains well the similar scenarios and rationales of pivot in R's tidyverse https://r4ds.had.co.nz/tidy-data.html

I use `GetInlineHtml()` to get html if needed. https://github.com/fslaborg/XPlot/blob/1abb20223a016a76a341b23166b2b71fcad4ec51/src/XPlot.Plotly/Main.fs#L84 XPlot already works fairly well on IfSharp Jupyter notebook. I use it on various internal research notebooks.

Though I'm not the maintainer of XPlot, I think pull requests to XPlot shall be greatly appreciated. There are quite a list of pending issues to be solved there such...