Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
You can suppress warnings of unchecked exceptions by using
SuppressWarnings("unchecked")
but generally speaking, you cannot suppress warnings of checked exceptions.
You can use more than one catch blocks if necessary …
By default, variables defined in a function are global, i.e., they are visible outside the function too.
Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
getResource and getResourceAsStream tries to find files in the resources directory
under src/main/resources or src/test/resources
(depending on whether you are running the application or tests for the …
Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
Error: A JNI error has occurred, please check your installation and try again
Caused by: java.lang.ClassNotFoundException: org.apache.spark.sql.SparkSession
Some dependencies (Spark in this …
Do NOT get into this messy shit if you can avoid it! Use Python script instead if you can.
If you want to reliably get the name of a Bash script, it is recommended that you run the Bash script as an executable script instead of source it in.