Useful tips for everyday
Are fonts copyrighted? In the United States, fonts are protectable under copyright law. Typefaces, however, are not. A trademark protects what a typeface is called,…
What is the significance of twisting in twisted pair cable? Twisted pairs are made up of two insulated copper wires that are twisted together. The…
How do I count rows in PDO? Instead, use PDO::query() to issue a SELECT COUNT(*) statement with the same predicates as your intended SELECT statement,…
How to fix websites that require a username and password? Fix login issues on websites that require a username and password Enable cookies for the…
What does ${} mean in shell? 90. $# is a special variable in bash , that expands to the number of arguments (positional parameters) i.e.…
Is there a split function in SQL? SQL Server 2016 introduced a new built-in table-valued function, STRING_SPLIT that splits the provided input string by a…
What should I do if my SIM card is deactivated? Is it possible to reactivate my SIM? Once a SIM card has been deactivated, it’s…
How do you create a histogram in Excel and overlay normal distribution curve? The closer the normal curve is to your histogram, the more likely…
What is long hold touch? A longer touch & hold delay means that you need to keep your finger in the same place for longer…
How to connect nRF24L01 module to Arduino? Now, when we know nRF24L01 module pinout we can now connect it to Arduino or some other board.…