Description Polars allows concatentation of List typed columns with pl.concat_list. It would be useful to also allow concatenation of Array typed columns. Eg: df = pl.DataFrame([ pl.Series('x', [[0, 1], None, [2, 3]], dtype=pl.Array(pl.I...
30. Substring with Concatenation of All Words # 题目 # You are given a string, s, and a list of words, words, that are all of the same length. Find all starting indices of substring(s) in s that is a concatenation of each word in words exactly once and
“Unable to enlist in the transaction” with Oracle linked server from MS SQL Server [<Name of Missing Index, sysname,>] in non clustered index [Execute SQL Task] Error: The value type (__ComObject) can only be converted to variables of type Object. [ODBC Driver Manager] Data source nam...
Suppose now that we are happy with what we've done so far, but then we realize that our web application needs to let users click on each fruit name in our "FruitList" string to jump to the fancy "Show Fruit" page, passing the corresponding FruitID as a URL parameter. This of course...