Useful tips for everyday
What is the hierarchy of a database? A hierarchical database is a data model in which data is stored in the form of records and…
Can you connect to Raspi by SSH only? If both cable and WiFi dongle are plugged – both interfaces are working fine and I’m able…
What coworking means? : being, relating to, or working in a building where multiple tenants (such as entrepreneurs, start-ups, or nonprofits) rent working space (such…
How do you log out as the current user then log back in as root? You can exit at the shell prompt either by typing…
Who has the fastest draw in the west? You wouldn’t want to run into these fast-talking, fast-drawing gunsels at high noon! 1 The Man With…
How do I choose an actuator? Four Steps to Choosing the right Linear Actuator Step 1: Determine the amount of force required. Step 2: Determine…
How are through-hole PCBs manufactured? The thru-hole manufacturing process, as its name suggests, involves drilling holes into the PCB. The board house drills these holes…
What can a malicious URL do? Malicious URL is a link created with the purpose of promoting scams, attacks, and frauds. By clicking on an…
Does pixel 3 Use eSIM? Pixel 3: Phones bought with service from any US or Canadian carriers other than Sprint and Google Fi don’t work…
Why do we use assert? An assertion allows testing the correctness of any assumptions that have been made in the program. Assertion is achieved using…