Useful tips for everyday
How do you solve for significant difference? Subtract the group two mean from the group one mean. Divide each variance by the number of observations…
How do I convert 24 hour datetime to 12 hour datetime in Python? The key to this code is to use the library function time.…
How to automatically delete records in SQL Server after a certain amount of time? You can add a computed column into the table to say…
How do you find the best selling price? To calculate your product selling price, use the formula: Selling price = cost price + profit margin.…
What is CTI in VOIP? “Computer telephony integration (CTI) is technology that allows interactions on a telephone and a computer to be integrated or co-ordinated.…
What is a commitment in game theory? Commitment and threat are important subject matters in game theory. A commitment is a pledge advantageous to the…
What happens when I back up to mysqldump? When you back-up on the same device as the database, this produces unnecessary random IOPS. The dump…
How do I split a column in Linux? You must specify either the -c option to cut by column or -f to cut by fields.…
Does a small sample size skew results? A sample size that is too small will skew the results of an experiment; data collected may be…
Is correlation same as effect size? Correlation refers to the degree to which a pair of variables is linearly related. The effect size quantifies some…