Useful tips for everyday
How do I view previous commands in vim? Entering colon : then ctrl+p shows your previous command, i.e., moving backward through your vim command history.…
Can I use a 12V relay in a 24V system? The switch on a 12V relay will take 24V no problem as it is just…
How does a CPU use electricity? When you first press the power button, the computer sends a signal to the computer power supply, which converts…
Why are some letters on my keyboard not working? When the keys on a keyboard don’t work, it’s usually due to mechanical failure. If this…
What does marking a conversation as spam do? When you mark a message as spam or phishing, it’s moved from your Inbox to your Spam…
What is System init script? But what is System V? Init is the program on Unix and Linux systems which spawns all other processes. It…
How to change the default behavior of Bash? Change the behavior of Bash where the default operation differs from the POSIX standard to match the…
What is the current version of MySQL? The MySQL Cluster product uses version 7. The decision was made to jump to version 8 as the…
What is the leading classification system for mental disorders? Today, the two most widely established systems of psychiatric classification are the Diagnostic and Statistical Manuel…
What GPU does a 2010 iMac have? Genuine Graphics Video Card Replacement for Apple iMac Mid-2010 Core i5 A1312 27-Inch MC511LL/A MC511 Desktop PC, ATI…