Sorted:

What are the roles of Sqoop and Flume in Hadoop?

What is the purpose of “required” in C#?

What is the purpose of the strval function in PHP?

What is the purpose of the “uint” keyword in C#?

What are the applications of the fuser command in Linux?

How to set up a Hadoop cluster

What is the difference between void and int in the C language?

What is the function of LOCATE in MySQL?

What is the method for deleting a temporary table in SQL?

Issue of losing cache when restarting the Redis service?