Useful tips for everyday
What causes spurious retransmission? In TCP, a spurious packet retransmission can be caused by either spurious timeout (STO) or spurious fast retransmit (SFR). The “lost”…
How do you wrap a long line in Unix? When using the -w option fold will break words to wrap lines. To break on spaces…
Can I disable the Mail app on my Mac? You can’t disable Mail, because it’s part of the OS and is required for certain functions.…
What are the data types in a database? Common data types floating point numbers (with decimal points, sometimes called real numbers, or floats), for example:…
What is the likelihood of a data breach? The chance of experiencing a data breach was 29.6 percent in 2019, an increase from 27.9 percent…
How do I add a widget to an existing widget? To begin, here’s how to add an existing widget to your home screen: Touch and…
How to write Arduino data to files on an SD card? The header (column names) is pre-written to the file. float QNH = 1022.67; QNH…
What is a logic chip? A processor or controller chip. “Logic” implies “processing,” in which either a fixed operation is performed, or a set of…
What does Wi-Fi broadcast? Wi-Fi uses radio waves to transmit information between your device and a router via frequencies. Two radio-wave frequencies can be used,…
How do you make a temperature sensor in Tinkercad? It’s perfect for learning, teaching, and prototyping. Step 1: Build the LED Circuit. Step 2: Add…