Useful tips for everyday
What is the big problem with maps? The biggest downfall of the AuthaGraph map is that longitude and latitude lines are no longer a tidy…
How do I start my database in exclusive mode? Issue one of the following commands: * STARTUP OPEN dbname PFILE=filename This command starts the instance,…
How much space does audio recording take on iPhone? Every minute of audio recorded through the iPhone’s default voice memo app requires roughly half a…
Can you do a double factorial? The double factorial, symbolized by two exclamation marks (!!), is a quantity defined for all integer s greater than…
Where is PMSM motor used? The permanent-magnet synchronous machine (PMSM) drive is one of best choices for a full range of motion control applications. For…
How do you select the correct fuse for a device? In order to select the right amperage of the fuse, you first need to know…
What is the difference between ls and echo? echo * just echoes the names of the files and directories in the current directory, ls *…
What is the difference between encrypted and not encrypted? Encrypted means any data which is protected by an encryption algorithm. Whereas unencrypted is the opposite…
Why am I all of a sudden using so much data? Your apps might also be updating over cellular data, which can burn through your…
What is a diff brake? : a band brake acting on the difference of two motions or tensions and tending to be self-tightening when the…