Useful tips for everyday
Can we use distinct and count together? Yes, you can use COUNT() and DISTINCT together to display the count of only distinct rows. SELECT COUNT(DISTINCT…
Who follows early adopters? Innovators are the first 2.5 percent of a group to adopt a new idea. The next 13.5 percent to adopt an…
Is there a way to Rename multiple files at once? If you want to rename all the files in the folder, press Ctrl+A to highlight…
How much training data is needed for random forest? The number of trees defines how often the training data (under different conditions, some data left…
What is a lynch Bell number? Lynch-Bell Number is a number N if its digits are all distinct and N is divisible by each of…
What are the conditions for a hypothesis test of the mean? The data must be reasonably random. The sample must be less than 10% of…
Which of the following figures can be formed by intersecting a plane and a cube? The intersection of a cube and a plane can be…
What does intermittent mean on windshield wipers? Most wipers have a low and a high speed, as well as an intermittent setting. When the wipers…
How do you make a semi circle in Photoshop? Draw a circle using the Ellipse Tool + Shift. Press Alt and use the Rectangle Tool…
How do I connect to WiFi after SSID is disabled? Select Unnamed Network then click Connect. NOTE: Your wireless network name (SSID) will show up…