Paytail Interview Questions, Process, and Tips for Experienced

Use a HashMap to track characters and their counts, then iterate through the string to find duplicates.

• Create a HashMap to store characters and their counts.

• Iterate through the string and update the counts in the HashMap.

• Iterate through the HashMap and print characters with count > 1 as duplicates.

Test cases for the login page of Facebook

• Verify valid username and password successfully logs in

• Verify error message is displayed for invalid username or password

• Verify 'Forgot password' link redirects to password reset page

• Verify 'Create New Account' link redirects to sign up page

Slicers are visual controls used to filter data in a report, while filters are used to restrict data based on specific criteria.

• Slicers are interactive visual controls that allow users to filter data in a report by selecting from a list of values.

• Filters are used to restrict data based on specific criteria, such as date range, category, or value.

• Slicers are typically used for visual filtering in Power BI reports, while...read more

One drawback of Power BI is the limited customization options for visualizations.

• Limited customization options for visualizations compared to other BI tools

• Difficulty in creating complex custom visualizations

• Limited support for advanced statistical analysis

• Dependency on Microsoft ecosystem for full functionality

Tableau is more user-friendly and better for data visualization, while Power BI is more powerful for data manipulation and integration.

• Tableau is known for its ease of use and intuitive drag-and-drop interface.

• Power BI has more advanced data manipulation capabilities and better integration with Microsoft products.

• Tableau is better for creating visually appealing dashboards and reports, while Power BI is better for comp...read more