The file picker should allow the selection of .xlsx files. Once an Excel file is selected, decode it using the Excel.decodeBytes method from the excel package. Extract the headers from the first row ...
.. changelog:::version: 0.2.1 :released: 2017-09-11 General ----- .. current-module:: datatable -[new] Created the CHANGELOG file. -[new] ``sys.getsizeof(DT)`` can now be used to query the size of the ...