Useful tips for everyday
Can you AirDrop a book from iBooks? Go to the ‘My Books’ screen and tap the export icon. Choose a format (it should be ePub…
What is Dev ttyACM0? /dev/ttyACM0 is a USB communication device (CDC) of sub-type “abstract control model” (ACM). That is what the Arduino is. /dev/ttyS0 is…
Is there a way to measure voltage on a Raspberry Pi? The Pi has NO voltage measurement circuitry, this is an on/off trigger and there…
Can you use a mono plug in a stereo jack? Plugging a mono cable into a stereo jack will not work well. If it’s unbalanced…
Why is my storage full when I have no apps? In general, the lack of working space is probably the main cause of having insufficient…
What is it called when you glue boards together? Also sometimes called carpenter’s glue, wood glue is formulated to penetrate wood fibers, making glue joints…
Can a domain have multiple certificate authorities? You can have two certificates issued for the same domain and same server from different providers and it…
What did Equifax do after breach? In September of 2017, Equifax announced a data breach that exposed the personal information of 147 million people. The…
How to search on securely encrypted database fields? It is important that the blind index key be distinct from the encryption key and unknown to…
What are the most searched questions on Google? After 20 years of searches, Google revealed the most searched questions of all time and you won’t…