In Scala, when you declare a variable usingval, you create a read-only reference. This means that once assigned, the value cannot be changed. For example: valnumber=10 In this case,numberis a constant with a value of 10. Attempting to reassign it later in the code will lead to a com...
The above output shows the 6th column mean. How can we move the column mean to the front, i.e., make it the first column, while keeping the other columns in their original order? One straightforward solution is to reassign the dataframe with a list of the columns, which can then be ...
thechar*pointer is assigned a value returned from themalloccall, but later in theelseblock, the same pointer is reassigned with a string literal. This means that thec_strvariable points to the location that is not a dynamic memory region; thus, it is not allowed to be passed to thefree...
We cannot reassign this iteration count variable to 0 again once the iteration is done. Thus, theStopIterationerror occurs. Thus, we can say that the iteration count variable can traverse a container only once. Here is thelink to documentationthat talks about iterators in Python. ...