The EntityFrameworkQueryableExtensions.ToQueryString(IQueryable) Method throws a InvalidOperationException if the queryable object contains for example a Func<T>. This should be noted in the documentation.

I'm building a CLI similar to dotnet where each subcommand has an optional argument. The top level help message looks like the following:

Commands:
  install <path-to-config>      ...
  uninstall <path-to-config>    ...
  start <path-to-config>        ...
  stop <path-to-config>         ...
  restart <path-to-config>      ...
  status <path-to-config>       ...
  test <path-to-con

Is your feature request related to a problem? Please describe

I'm using Magick.net to update Exif metadata, but could not find a way, to replace the thumbnail image.

Describe the solution you'd like

I would like to be able to replace the thumbnail, by using magick.net

Describe alternatives you've considered

I have tried to make an extension method but did not find a way to

This is to track implementation of the ML-Features: https://spark.apache.org/docs/latest/ml-features

Bucketizer has been implemented in dotnet/spark#378 but there are more features that should be implemented.

• Feature Extractors
  • TF-IDF
  • Word2Vec (dotnet/spark#491)
  • CountVectorizer (https://github.com/dotnet/spark/p

SendGrid has added an API to download information from the Email Activity feed. There are four new endpoints:

• GET /messages
• GET /messages/{msg_id}
• POST /messages/download/

Describe the bug

A clear and concise description of the bug.
when my asp.net core 3.1 app host in IIS, the url console is 127.0.0.1，so，when i have Multiple instances，the instances name will be the same,such as 127.0.0.1:svaname:port，eureka server think they are a single instance.
i print the console in source code：
![image](https://user-images.githubusercontent.com/6300834/101754289-8ad92