Useful tips for everyday
What characters are allowed in environment variables? Environment variable names used by the utilities in the Shell and Utilities volume of IEEE Std 1003.1-2001 consist…
Should I use Bluetooth or 2.4 GHz? 2.4GHz audio is noticeably better when compared with Bluetooth wireless audio. Often, there’s no pairing involved and it’s…
Does encryption prevent SQL injection? Cryptography is one of the dominant techniques to prevent SQL injection attacks. All the confidential data are encrypted and stored…
How do I install Linux and Windows on the same computer? Dual Boot Windows and Linux: Install Windows first if there’s no operating system installed…
Do CPUs ever make mistakes? Unless your hypothetical computer has an extremely small amount of memory, it is unlikely to work without any mistake for…
Can NSA see https? The NSA calls it Transport Layer Security Inspection (TLSI) or TLS break and inspect. The feature is found in many UTM…
How do I send a link to a file? How do I link to a file or folder? Sign in to the web panel. Hover…
What is the first digit in chmod? From man chmod : A numeric mode is from one to four octal digits (0-7), derived by adding…
What is binary search in C++? Binary Search is a method to find the required element in a sorted array by repeatedly halving the array…
What should my SMTP server be? When an email client or outgoing server is submitting an email to be routed by a proper mail server,…