Useful tips for everyday
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…
How do you fix a function overriding? You must use the scope resolution operator, “::” to access the overridden function. Another way to access the…
What is editing and manipulating photographs called? “Photoshop” as a verb The term commonly refers to digital editing of photographs regardless of which software program…
Can I use my iMac 2010 as a monitor? 1 Answer. Yes an iMac will work as a screen for a regular PC, but only…
How do you find the Vout of an op-amp? Vout = Vin+ – IR2 = 0 – (Vin/R1)R2. Therefore Vout = -Vin(R2/R1). Note: The negative…
How do I attach a file in Smtplib? Steps to Send Mail with attachments using SMTP (smtplib) Create MIME. Add sender, receiver address into the…
How do you check if a file exists in Windows? Checking for the existence of a file can be accomplished by using IF EXIST in…
Can you run fsck on a mounted disk? If you try to run fsck on a mounted disk or partition, you will get a warning:…