Quentin

Quentin has asked 9 questions and find answers to 3 problems.

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Quentin questions

Pandas read dataframe from csv with index as string, not int
When does hibernate use its first level cache ? how to log it?
scikitlearn - how to model a single features composed of multiple independant values
inner join select (A,B) on A and B vs where (A,B) in select(A, B) in mysql
precompile angular js template to speed up application startup
create tsa (timestamping) certificate with openssl - add a extendedKeyUsage in a certificate
Spark-submit master url and SparkSession master url in the main class, what is difference?

Quentin answers

precompile angular js template to speed up application startup
Does Apache Spark SQL support MERGE clause?
How to access Annotation defined on case class field at Runtime