Last line of a datatable asp.net
I have a problem when I’m trying to a loop in a DataTable that a dataset contains.
indexing
How to insert zero in an array at that index, which is exceeding the size of that array?
I want to insert zero at certain locations in an array, but the index position of the location exceeds the size of the array
Finding the index of an item in a list
Given a list ["foo", "bar", "baz"] and an item in the list "bar", how do I get its index 1?
How to convert index of a pandas dataframe into a column
This seems rather obvious, but I can’t seem to figure out how to convert an index of data frame to a column?
How to remove an element from a list by index
How do I remove an element from a list by index?
How do I get the last element of a list?
How do I get the last element of a list?
What is the difference between using squared brackets or dot to access a column?
In both the bellow cases:
using an numpy array as indices of the 2nd dim of another array?
For example, I have two numpy arrays, A = np.array( [[0,1], [2,3], [4,5]]) B = np.array( [[1], [0], [1]], dtype='int') and I want to extract one element from each row of A, and that element is indexed by B, so I want the following results: C = np.array( [[1], [2], [5]]) I tried A[:, B.ravel()], … Read more
Access multiple elements of list knowing their index
I need to choose some elements from the given list, knowing their index. Let say I would like to create a new list, which contains element with index 1, 2, 5, from given list [-2, 1, 5, 3, 8, 5, 6]. What I did is: