Useful tips for everyday
Why pip install module not found? This is caused by the fact that the version of Python you’re running your script with is not configured…
What can you do with Android source code? The Android Open Source Project maintains Android software, and develops new versions. Because it’s open source, this…
How to manage hierarchical or parent-child SQL queries? To make things fast you could use indexed view, they always works well, even with large amount…
How to convert JavaScript buttons to lightning friendly alternatives? Click Refresh Buttons. Select Convert to recreate detected JavaScript buttons or Convert and Deploy to recreate…
What is reactive load? : a load which is carried by an alternating current generating station or system in which the current and voltage are…
Why does SQL Server update statement not work? Once I execute the statement, it shows 2 rows updated, but the data in the table is…
How do I create an ERD database? Below points show how to go about creating an ER diagram. Identify all the entities in the system.…
Can you change the default view of a field? We can also change the default view of the field to a different view to display…
How are data retrieved using views? The tables you use as sources for columns and rows in a view are the base tables. A SELECT…
How do I get the first letter of a string? Method 1: Using String. The charAt() method accepts a parameter as an index of the…