Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

1. It is strongly suggested that you load data into a pandas DataFrame and handle categorical variables by specifying a dtype of "category" for those categorical variables.

   df.cat_var = df.cat_var.astype …

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

Advanced Tips

1. The option --link
   allows you to securely bind code-server via Coder Cloud with the passed name. You'll get a URL like https://myname.coder-cloud.com at which you can …

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

Symptoms

CalledProcessError: Command './pine' died with .

Possible Causes

SIGBUS (bus error) is a signal that happens when you try to access memory that has not been physically mapped . There are several …

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

Symptom

Block rdd_123_456 could not be removed as it was not found on disk or in memory.

Cause

1. The execution plan of a DataFrame is too complicated.

2. Not enough memory to …

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

I encountered an issue with Ubuntu 20.04 on my machine. Ubuntu crashes when I try to open settings or video players. After searching online, it seems that the problem happens …

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

Symptoms

Caused by: org.apache.spark.SparkException: Could not execute broadcast in 600 secs. You can increase the timeout for broadcasts via spark.sql.broadcastTimeout or disable broadcast join by setting …