Useful tips for everyday
How do you store results of a query in a variable in a shell script? Linux: Store SQL Query Result in a Variable in Shell…
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,…
What is column mux in memory? For that reason you need a column decoder to select the row that you want to access. If your…
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…
How to program ATtiny MCUs by using ISP headers? There are two common methods for interfacing with ISP programming headers: 1 Using pogo pins 2…
What does buffer do in programming? In computer science, a data buffer (or just buffer) is a region of a physical memory storage used to…
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…
Does ARP use IP? ARP forces all receiving hosts to compare their IP addresses with the IP address of the ARP request. So if host…