Useful tips for everyday
What does maybe mean in Haskell? data Maybe a = Just a | Nothing deriving (Eq, Ord) It allows the programmer to specify something may…
Is tax charged on shipping? California: For the most part, shipping charges are exempt if the sale is exempt, but if the sale is taxable,…
What is host header poisoning? Host header attacks may be used for web cache poisoning and attacks such as password reset poisoning. Web cache poisoning…
Which is the latest release of PostgreSQL 9.6? E.17. Release 9.6.6 This release contains a variety of fixes from 9.6.5. For information about new features…
Is Java HashMap get thread-safe? HashMap is non-synchronized. It is not thread-safe and can’t be shared between many threads without proper synchronization code whereas Hashtable…
What does held constant mean? Definition: This commonly-used phrase stands for ‘all other things being unchanged or constant’. It is used in economics to rule…
What is a heuristic violation? 1. Occurs when one of the recognized usability principles (the “heuristics”) is not complied with during typical user tasks. What…
How do I count the number of peaks in a column of data in Excel? The following formula can help you to count a number…
What is other volume in Mac storage? Other volumes in container means the last three volumes: Preboot, Recovery, VM in APFS container. Other volumes cannot…
How do I fix text on a path in Illustrator? Switch to the Type Tool, select the text, and enter the new text. Select Type…