Useful tips for everyday
What does the shield of a small shielded loop do? A small shielded loop is an antenna with a loop of wire, smaller than 1/10th…
How to limit text entries in a cell? Excel Limit Text Entries 1 Preset all texts that other users can enter in cells, saying preset…
Are USB flash drives secure? The most obvious security risk for USB drives, though, is that they are easily lost or stolen. If the data…
What is N used for in SQL? The “N” prefix stands for National Language in the SQL-92 standard, and is used for representing unicode characters.…
What is eta and eta squared in ANOVA? Eta squared is the proportion of variance associated with one or more main effects, errors or interactions…
How to combine and or condition in bash script? That is: abort, if either more than 1 argument is given OR if the single argument…
What is data hold function? (a) Data Hold: It captures the display reading when pressed. Press the data hold button before removing the test leads…
Is there a way to invert colors on a PDF? Open a PDF file (any file) in Adobe Reader. Go to Edit>Preferences. In the Preferences…
How do you get the best K value in KNN in R? The optimal K value usually found is the square root of N, where…
Can a DDoS crash a server? Distributed Denial of Service: Anatomy and Impact of DDoS Attacks. A distributed denial of service (DDoS) attack is a…