JeanBertin questions

• Filter langchain vector database using as_retriever search_kwargs parameter
• Highlight R leaflet polygon pointed by select Item (without clicking on it)
• Change output width of plotly chart size in R Markdown PDF output
• Temp files automatically deleted in R shiny app - Error in file: cannot open the connection
• Display PDF file which isn't stored on www folder inside R shiny app

JeanBertin answers