Useful tips for everyday
Why are logarithmic pots used for volume rather than linear pots? Logarithmic potentiometers are used as volume controls in audio equipment because the response of…
How to block unwanted bots from your website with.htaccess? Note that your .htaccess file can contain block rules for both user agents and IP address.…
What is used to combine data? Use the CONCATENATE function to combine two or multiple cells. To do this, right click the cell and select…
When did Facebook allow you to like comments? June 2010 The ability to like users’ comments was added in June 2010, and the ability to…
Did the Concorde have retractable landing gear? Concorde is equipped with a hydraulically operated retractable tricycle landing gear layout, with a nose gear consisting of…
Can a cracked windshield break while driving? The short answer is yes, a cracked windshield can shatter. This doesn’t mean it’s safe to drive with…
How many samples are required to apply the central limit theorem to estimate the sample mean? It depends on the shape of the variable’s distribution…
What is the output voltage of the circuit? The output voltage equals the input voltage scaled by a ratio of resistors: the bottom resistor divided…
What are Perl scripts? Perl is a family of script programming languages that are similar in syntax to the C language, including Perl 5 and…
How do you query a column by? BY is a reserved word used by QUERY like “order BY C”. So when referencing the column BY…