Contributing

What does enable Mouse Keys mean? Mouse Keys is an accessibility feature that uses the keyboard’s Numeric Keypad as a pointing device. This replaces using…

How do you find the tolerance of a resistor? Tolerance = value of resistor x value of tolerance band = 220 Ω x 10% =…

What is the purpose of using stored procedure in SQL? Stored procedues in SQL allows us to create SQL queries to be stored and executed…

How do I record a test case in Selenium IDE? Click on Tools -> Selenium IDE. Check the red record button is in ‘Record mode’.…

What is SSIM loss? The Structural Similarity Index (SSIM) is a perceptual metric that quantifies image quality degradation* caused by processing such as data compression…

How do I combine multiple presentations into one? To merge multiple slides, do as followings: Step 1: Select slides that you want to merge. Hold…

Can you change frame rate in editing? You can choose any clip playback frame rate. This doesn’t change the original media file but does change…

What are the hypotheses for the test? All analysts use a random population sample to test two different hypotheses: the null hypothesis and the alternative…

How do you show actual pixels in Photoshop? View Actual Pixels (100%) & Fit on Screen – Photoshop Tip The keyboard shortcut to View Actual…

Can you lock a Trello card? With Trello, permissions are board specific. At this time, Trello is not able to offer card specific permissions. This…