Top "Map" questions

A dictionary maps keys to values allowing efficient retrieval of values by keys.

Is there a "map:" URI prefix to launch map application? (like mailto: or tel:)

Is there such prefix for launching map application on phones, <a href="map:21st,High Street, London">Toto's …

map uri mailto url-scheme tel
How to access and update a value in a mutable map of map of maps

I've a three-level data structure (indentation and line breaks for readability): scala> import scala.collection.mutable.Map import scala.…

scala map scala-2.8 scala-collections
C4503 warnings? How do i solve/get rid of them?

It's my first time trying out C++ STL. I'm trying to build a multidimensional associative array using map. For example: …

c++ string stl map name-decoration
Change colour scheme for ggplot geom_polygon in R

I'm creating a map using the maps library and ggplot's geom_polygon. I'd simply like to change the default blue, …

r map ggplot2 polygon color-scheme
New-PsDrive Remote copy from DFS share errors: A specified logon session does not exist

So to recap the situation: I am at one computer trying to run powershell using enter-pssession computername, then from the …

powershell map drive
jQuery .each() vs. .map() without return

Is there any difference between .each() and .map() when no value is returned? Is there any benefit in using one …

javascript jquery map each
How to insert a map or vector to generate a json string (jsoncpp)

Hi I would like to do something easy with the lib jsoncpp like this: std::map<int,string> …

c++ json vector map jsoncpp
Java in-memory database-like object

I'm looking at a project that will benefit from an in-memory database-like object. I will have perhaps one or two …

java database map in-memory
C++ Map of string and member function pointer

Hey so I am making a map with string as the key and a member function pointer as the value. …

c++ map member-function-pointers