Useful tips for everyday
What is difference between grasp pattern and GoF pattern? GoF are mentioned to Design Patterns. And GRASP are Design Principles. Design Principles are so abstract…
How does STP choose which port to block? All switches that are participating in STP exchange BPDU frames to determine which switch has the lowest…
How do we measure the distance between satellites and Earth? F=GMmr2 . Where G=6.67384m3kg⋅s2 is the gravitational constant, M=5.972⋅1024kg is the mass of the Earth,…
How do I turn on microphone for Skype meeting? Find and click the gear icon from the main Skype windows. Go to Tools –> Audio…
What is a precision rectifier used for? The precision rectifier is a configuration obtained with an operational amplifier in order to have a circuit behave…
What happens when a power grid fails? If the power grid goes down, water and natural gas will fail soon thereafter, so planning is critical.…
What does the tar option file do? The tar command is used to compress a group of files into an archive. The command is also…
What makes a subquery correlated? The subquery is correlated because the number that it produces depends on main. ship_date, a value that the outer SELECT…
How do you calculate power output of gearbox? Gear Reducer Torque = 9550 * Motor power / Rated Power motor’s input revolution*Ratio* gear reducer efficiency.…
What is FBE encryption? Android 7.0 (“Nougat”) introduced File Based Encryption (FBE) with Direct boot support ensuring that a device can boot to home screen…