Useful tips for everyday
When do you change the environment variable in Linux? The environment variable created in this way disappears after you exit the current shell session. Set…
How much free space do I have Ubuntu? To check the free disk space and disk capacity with System Monitor: Open the System Monitor application…
How do you standardize a ratio? Add all the age- and sex- specific expected deaths to get the expected number of deaths for the whole…
Should delete buttons be red? When designers use red for delete buttons, the color naturally gives users pause due to its connotations. Both deletion of…
How do you collect sensitive data? Best practice for handling sensitive data Keep respondents informed. It’s always important to let your survey respondents know what…
How do I stop Mac mail from downloading old messages? For Mac Mail, you want to go to Mail Preferences, Accounts, Mailbox Behaviors, and then…
Which is the best H bridge inverter circuit? In this post we discuss the method for making a simple transformerless H-Bridge Inverter Circuit Using IC…
How do you find the center of mass of a box? The center of mass can be calculated by taking the masses you are trying…
Can an environment variable be a list? You can use any one of the following command to display and list the shell environment variables and…
What is the most popular digital mode in ham radio? Overview FT8 – In 2018 it is by far the most popular digital mode for…