DevShorts 1 : Spark, var vs val
Jan 11, 2022
How to be a good spark developer
Use var instead of val if you have to update the df value going forward in spark shell.
Sign up to discover human stories that deepen your understanding of the world.
Free
Distraction-free reading. No ads.
Organize your knowledge with lists and highlights.
Tell your story. Find your audience.
Membership
Read member-only stories
Support writers you read most
Earn money for your writing
Listen to audio narrations
Read offline with the Medium app
