Useful tips for everyday
Does embedded system always need RTOS? Do most embedded projects still need an real time operating system(RTOS)? It’s a good question,given the speed of today’s…
What is a patchbay used for? What is a patchbay? An audio patchbay connects all of the inputs and outputs of your outboard gear into…
How do you get rid of white spots at home? Turmeric: Age old spice turmeric is a great way to remove stains from your teeth…
Can I use VPN on Ubuntu? Making the VPN work on Ubuntu is simple enough, although you’ll have to go back to the Network Manager…
How to use Arima for time series analysis? Summary 1 Arima is a great tool for time series analysis, and Auto Arima packages make the…
How do I import a CSV file into shell script? Each line of the file is a data record. You can use while shell loop…
How do I use the sudo tee command? tee command reads the standard input and writes it to both the standard output and one or…
Is F-Droid safe to download? F-Droid is a non-profit volunteer project. Although every effort is made to ensure that everything in the repository is safe…
How do I list all repositories in Linux? For Debian systems such as Ubuntu, you could use a command like the one shown below to…
What are the rules for first normal form? The first normal form states that: Every column in the table must be unique. Separate tables must…