Useful tips for everyday
How to extract columns by name from a file? Here is an example to extract columns by name from a file test.csv: Not using awk…
Can I mount USB in Linux? To format a USB drive, users generally prefer VFAT or NTFS file systems because they can be easily mounted…
How do I check my PC RSSI? To find out the wireless signal strength using Settings, use these steps: Open Settings. Click on Network &…
Where do I plug in the sensors on my NXT? Sensors can be plugged into any input port numbered 1-4. Any wires except the converter…
How do you change command prompt name? How to Change Computer Name via CMD Open CMD. Press “Start” and type “cmd”, then click “Run as…
How do you represent a signal? An audio signal is created by changes in air pressure, and therefore can be represented by a function of…
How do you keep cell borders in Excel? Select the cells you want to format. Click the down arrow beside the Borders button in the…
How do I split a single row into multiple rows in SQL Server? You can generate the extra row(s) by doing an unpivot using a…
Do you need to test for heteroskedasticity in logistic regression? Logistic regression is designed around this and therefore there is no assumption of equal variance.…
How do I pull data from American Community Survey? Check out data.census.gov, the Census Bureau’s main data dissemination tool. Here, you can access tables and…