Useful tips for everyday
What is a macOS service? One of the little-known time-saving features of Mac OS X is services—hidden, single-feature commands that you can access from a…
What is Fibonacci Square? A tiling with squares whose side lengths are successive Fibonacci numbers: 1, 1, 2, 3, 5, 8, 13 and 21. Is…
Can SSH be spoofed? No, this is not possible. Depending on the key exchange mechanism in use, there are (slightly) different mechanisms for proving the…
What is Coinex TOTP? Google Authenticator is a TOTP authenticator. Its verification code is based on natural variables such as time, historical length, physical objects…
How do you pause a Quicktime screen recording on a Mac? The key steps: Click on Quicktime in the dock to make it active. press…
How to understand Bayesian prior and posterior distributions? Gather data. Update your prior distribution with the data using Bayes’ theorem to obtain a posterior distribution.…
Where is pivot table insert? Insert a PivotTable in Excel for the web Select a table or range of data in your sheet, and then…
Is the API limit on outbound or inbound? The API call limit includes inbound calls only. Outbound calls (i.e. callouts) are only governed by the…
What is N Queen problem in Python? The N Queen is the problem of placing N chess queens on an N×N chessboard so that no…
What is calendar widget? Rather than having to track down an app shortcut to launch a calendar tools, a widget can be used to show…