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Other 2021-11-12 19:50:17
create dropdown in spreadsheet
1. Open a spreadsheet in Google Sheets. 2. Select the cell or cells where you want to create a drop-down list. 1. Click Data and then Data validation. 2. Next to "Criteria," choose an option: 3. List from a range: Choose the cells that will be... Add solution -
Python 2021-09-21 03:34:02
expand pandas dataframe into separate rows
def explode(df, lst_cols, fill_value='', preserve_index=False): # make sure `lst_cols` is list-alike if (lst_cols is not None and len(lst_cols) > 0 and not isinstance(lst_cols, (list, tuple, np.ndarray, pd.Series))): lst... Add solution -
Java 2021-09-04 00:51:02
leetcode 46 problem permutation in java
public ArrayList<ArrayList<Integer>> permute(int[] num) { ArrayList<ArrayList<Integer>> result = new ArrayList<ArrayList<Integer>>(); //start from an empty list result.add(new ArrayList<Integer>()); &nbs... Add solution