10.3.3 Can you answer these questions?

10.3.3.1 Bind a key to show autocompletion

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=296930

I've searched for a feature which is usually available in most IDEs where you are able to de-activate autocomplete and by pressing a key, usually Tab, the autocompletion pops up and you can either ... 
[notebooks] [user-interface] [interface] [autocomplete] [predictive-interface]
 

asked by José Ferreira https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=87452 Score of 1

10.3.3.2 Why is SequencePosition or SequenceCases so slow on large lists?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=296884

I observed that SequencePosition or Sequence Cases on a list of around 60'000 digits is so slow that I had to sort out to string pattern matching. 
Is this normal behavior or should Wolfram have a look ... 
[list-manipulation] [pattern-matching] [string-manipulation]
                                                                                  

                                                                                  
 

asked by markilux https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=54550 Score of 1

10.3.3.3 Why does WhenEvent not work with DiscontinuitySignature and the Brent location method?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=296864

Why is it not possible to use  "LocationMethod" -> "Brent"  to locate an event when the action is ... 
[numerical-integration] [event-detection] [version-13.3]
 

asked by Escall https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=96312 Score of 1