With the help of gitignore.io, we can do this:
# node.js
curl -sL https://www.toptal.com/developers/gitignore/api/node >> .gitignorecurl -sL https://www.toptal.com/developers/gitignore/api/list | grep java
curl -sL https://www.toptal.com/developers/gitignore/api/list | grep python