Useful tips for everyday
How do I add pictures to all my contacts? How to Add a Picture to an Android Phone Contact Locate and display the contact’s information.…
Why does my charger randomly stop charging my phone? All charging components need to be plugged in securely. Try to switch to a different outlet…
Why is my iPhone taking black and white photos? Your iPhone has changed to black and white because “Grayscale”, an Accessibility setting that was introduced…
What information can be obtained from IMEI? An IMEI stands for International Mobile Equipment Identity. Think of it as your phone’s fingerprint — it’s a…
What is Dunn index in clustering? The Dunn index (DI) (introduced by J. C. Dunn in 1974) is a metric for evaluating clustering algorithms. For…
Which is defined as the ratio of two chi-square Variates? the ratio of two independent chi-squared variates has a beta-prime distribution (also sometimes called a…
What is a categorical question? Categorical questions are an aggregate of questions that often have an accompanying list of category members (or response alternatives). Categorical…
What is linear dependence in regression? Recall from linear algebra that linearly dependent vectors are a set of vectors which can be expressed as a…
What is Excel features of Excel? The Top 10 Excel Features Conditional Formatting. Utility: 100 | Difficulty: 3 | Learn in 180 mins. PivotTables. Utility:…
What is the special argument for Emacs invocation? Emacs visits the specified files while it starts up. The last file specified on the command line…