Alaya questions

• How could I judge whether the file has been changed since last saving in vim
• Is std::sort the best choice to do in-place sort for a huge array with limited integer value?
• Is there any "standard" way to calculate the numerical gradient?
• Is it possible to redefine the meaning of "word" in vim?
• What does the "Duplicate the top item on the stack" mean in Whitespace language?
• How to use double as the default type for floating numbers in PyTorch
• Why would this search method not be scalable?
• What do I need to do if I want to install a new version of GHC?
• Is it safe to compare to pointer of std::vector to check equality?
• Why can't I use "required" and "disabled" at the same time in radio input field?

Alaya answers