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 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…
Will Verizon 3G phones work in 2021? Verizon has delayed its CDMA 3G network shutdown several times but is now firmly committed to shutting the…
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…
How do I pass a review on the App Store? Here’s what you need to take into account. Use Human Interface Guidelines (HIG) for the…
Can a tablet be used as a modem? If you are not connected to a Wi-Fi or local network and want to use the Internet…
How do I turn off KPTI? KPTI can be disabled at boot time from the kernel command line through the nopti or pti=off options. On…