Useful tips for everyday
How to keep environment variables when using sudo..? -E, –preserve-env Indicates to the security policy that the user wishes to preserve their existing environment variables.…
How do I get iTunes to recognize my Apple TV? Just say “OK” Navigate to the Apple TV tab iTunes preferences, and simply click the…
How to train an agent to beat grid world? The agent is only allowed actions of moving in up, down, left, right directions by 1…
Why is my printer only printing in magenta? This could be due to low ink levels, a clogged print nozzle, or some other hardware issue.…
Should fact table have foreign keys? The fact table also has a primary (composite) key that is a combination of these four foreign keys. As…
What do you say when confirming a order? This is a place where personalization will become even more important. Provide the order number. Summarize the…
What are the important factors to be considered in design of an interactive systems? What Makes a “Good” Interaction Design? Design must be Goal-Driven. One…
How are UID and Gid numbers used in Unix? The Unix-systems use UID and GID numbers to map usernames and groupnames to numbers. For both…
How do you find the LCM and HCF of a rational number? I was reading a text book and came across the following approach to…
What does a high Kalman gain mean? The Kalman filter produces an estimate of the state of the system as an average of the system’s…