agnsaft questions

• Mongodb aggregate on subdocument in array
• PostgreSQL expanding cidr into individual addresses
• python interprocess querying/control
• IHostedService for tcp servers in .NET Core
• Bottle file upload and process
• Python regex look-behind requires fixed-width pattern
• epoll IO with worker threads in C
• Insert row if not exists leads to race condition?
• TLS/SSL with System.IO.Pipelines
• golang methods that will yield goroutines

agnsaft answers