Useful tips for everyday
Are cryptographic hashes secure? A cryptographic hash function has provable security against collision attacks if finding collisions is provably polynomial-time reducible from problem P which…
What is token manipulation error? Fix “Authentication Token Manipulation Error” When Changing User Password In Ubuntu. The reason why passwd failed is that filesystem was…
Is there a formula for Fibonacci sequence? It is: an = [Phin – (phi)n] / Sqrt[5]. phi = (1 – Sqrt[5]) / 2 is an…
Why do I keep getting a call from Mexico? If you receive a collect phone call from someone in Mexico, it may be part of…
Which is the best command to copy files? In above command, -r option will copy the files and directory recursively. While copying a directory using…
How do I make an object available for reporting in Salesforce? Classic View: From Set-up, find the Build section (along the left-hand panel) Expand the…
Why is my mouse tilted? The cursor was originally an arrow pointing up. So, when Xerox and its research and development unit, Palo Alto Research…
How to make SSH receive the password from stdin-stack? Create a command which open a ssh session using SSH_ASKPASS (seek SSH_ASKPASS on man ssh) Keep…
Do magnets affect Raspberry Pi? So in short, outside of a laboratory setting or an MRI machine, no magnet should cause any problems for the…
How do I update iMovie on my MacBook Pro? Update macOS and iMovie Choose Apple menu > App Store, then click Updates. If an…