Useful tips for everyday
Can you do SEO for an app? SEO is a continuous process, it never ends. If you want to track the performance of your app,…
How do I keep my hard drive running? To stop or prevent the Hard Disk from going to sleep, click on the Battery / Power…
How do I telnet a message? Open a Command Prompt window, type telnet , and then press Enter. This command opens the Telnet session. Type…
How do you rebuild a RAID 1 array degraded? Follow these steps to rebuild a RAID volume after replacing a failed hard drive from a…
What is the external user? Definition: An external user is a person outside of an organization who does not directly run its operations and uses…
Does an access point give off WiFi? An access point is a device that creates a wireless local area network, or WLAN, usually in an…
How do I open Safari Preferences menu? 1. Open Safari, and choose Safari > Preferences. Note: If you are viewing Safari in full-screen mode, mouse…
How do you view the diff of a commit? To see the diff for a particular COMMIT hash, where COMMIT is the hash of the…
What are different types of RFID? Each RFID type can be either active (powered), passive (un-powered) or semi-passive (battery-assisted). Low-frequency (LF) RFID tags: 30 KHz…
Is covariance matrix is better than correlation matrix? The values from PCA while using the correlation matrix are closer to each other and more uniform…