Useful tips for everyday
What is the purpose of the Page Up and Page Down keys? The Page Up and Page Down keys (sometimes abbreviated as PgUp and PgDn)…
How do you use the Lagrange multiplier method? Method of Lagrange Multipliers Solve the following system of equations. ∇f(x,y,z)=λ∇g(x,y,z)g(x,y,z)=k. Plug in all solutions, (x,y,z) (…
How does a digital clock tell time? To represent the time, most digital clocks use a seven-segment LED, VFD, or LCD for each of four…
Can you have more than one friends list on Facebook? You can add friends to multiple lists, so, while you might want one overarching ‘work’…
How do I pass multiple DataProvider in TestNG? Similar to TestNG Parameters, DataProviders are a means to pass data to test scripts in TestNG. Using…
How do I transfer files using BitTorrent? How do I transfer files from my download folder? Click on the “folder” icon below for the torrent…
What is the difference between datetime and datetime? DATE: It is used for values with a date part but no time part. DATETIME: It is…
What is mean absolute error used for? The MAE measures the average magnitude of the errors in a set of forecasts, without considering their direction.…
How do I login as root using ssh? Enable root login over SSH: As root, edit the sshd_config file in /etc/ssh/sshd_config : nano /etc/ssh/sshd_config. Add…
How do I hide my mouse in QuickTime screen recording? Select the screen recording on the timeline. Click on the cursor tab in the properties…