COVID-19-Tracker | COVID-19 tracker using HTML , CSS and JS | Web Site library

I am new to React and developing covid-19 tracker app. I have a country dropdown, when we select any country from dropdown then the api call is made and corona cases, death and recovered cases are displayed using react hooks(useState). This happening using a onCountryChange function;

I want to extract all vaccine tables with the description on the left and their description inside the table using R,

this is the link for the webpage

this is how the first table look on the webpage:

I tried using XML package, but I wasn't succeful, I used:

I am currently trying to deploy my Spring Boot backend on Heroku using the free dyno. I have also connected the backend to MongoDB Atlas for my DB.

During start up of the Spring Boot server I create 2 Java threads to populate 2 different collections within the database simultaneously. This all works locally and I can get the application started on Heroku and can access REST endpoints but I am getting the below error regarding my threads.

2020-11-23T23:03:11.942515+00:00 app[web.1]: [7.521s][warning][os,thread] Failed to start thread - pthread_create failed (EAGAIN) for attributes: stacksize: 512k, guardsize: 0k, detached.

Here is the full Heroku log as well:

This ended up being my @Service class with multi-threading working. It populates each table in the DB at the same time. No longer needed the @Async annotations or task executor with this solution.

I am trying to merge 2 dataframes by date index in order. Is this possible?

A sample code of what I need to manipulate

Link for sg_df:https://query1.finance.yahoo.com/v7/finance/download/%5ESTI?P=^STI?period1=1442102400&period2=1599955200&interval=1mo&events=history

Link for facemask_compliance_df: https://today.yougov.com/topics/international/articles-reports/2020/05/18/international-covid-19-tracker-update-18-may (YouGov COVID-19 behaviour changes tracker: Wearing a face mask when in public places)

I've been having this problem recently that nothing related to npm is working for me except npm start.

npm install is giving this error:

...

The map renders and the color fill happens too, but only when a mouse enter event happens. How do I trigger it on load? I am using react-simple-maps, the JSON data is valid as it loads the map when mouse enters. Here is the source code - Github