Useful tips for everyday
What is sum of squared errors in K-means? K-means clustering uses the sum of squared errors (SSE) E=k∑i=1∑p∈Ci(p−mi)2 (with k clusters, C the set of…
What is concentration in thermodynamics? In chemical thermodynamics, activity (symbol a) is a measure of the “effective concentration” of a species in a mixture, in…
Is DNSSEC slow? So, DNSSEC will in some cases slow resolution down in two ways: it adds additional data, which means more network traffic, and…
What should I Configure my Cisco 1921 router for? Hi there – I have been asked to configure a new out of the box 1921…
How do I reset my iPhone 6s from my computer? Restore your device to factory settings On a Mac with macOS Catalina or later, open…
Can you build your own Mac Pro? Apple’s Mac Pro starts at $3,000. You don’t need to spend that kind of money to own a…
How is magnetic hysteresis measured? Hysteresis loops can be measured either in a maximum field of 1250 mT, using a vibrating sample magnetometer (VSM), or…
How Noise modifier is used? The Noise Modifier changes the value of one or more stroke/points properties like: location, strength, thickness or UV texture position…
How do I list all jobs running in Unix? Check running process in Unix Open the terminal window on Unix. For remote Unix server use…
What is the difference between file reader and file writer? It is recommended not to use the FileInputStream and FileOutputStream classes if you have to…