Useful tips for everyday
How BJT can work as a switch? The three terminals of BJT are base, emitter and collector. BJT is either a PNP transistor or NPN…
What is DMZ and port forwarding? A DMZ is a small part of the network that is openly accessible to the public network or the…
What would you test for a signal on an RS-232 with? By looping the transmit and receive pins, you can test serial cable port communication…
What are true about LockerService? LockerService isolates individual Lightning components in their own containers. It restricts access to supported APIs, and prevents non-published framework internals…
What are the negative effects of AC? Staying Too Much in Air Conditioning can Affect your Health: Know How Lethargy. Dehydration. Dry Or Itchy Skin.…
How do I force boot into GRUB? With BIOS, quickly press and hold the Shift key, which will bring up the GNU GRUB menu. (If…
How to increase shared buffer size in PostgreSQL? PostgreSQL allocation for the default shared_buffers is extremely low and we need to increase it to allow…
Does a cyclone increase suction? The cyclone pulls all the large particles and a good % of dust out into a bucket first, so the…
How does a flame ionization detector work? An FID uses a flame to ionize organic compounds containing carbon. Following separation of the sample in the…
How do birds control yaw? If a bird wants to control yaw, it simply adjusts its wingtips such that the drag difference between both creates…