Top "Map" questions

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

How do I calculate the distance between two points of latitude and longitude?

i have latitude and longitude of particular place and i want to calculate the distance so how can i calculate …

iphone math map coordinates latitude-longitude
push back for the map container

we got this map : std::map <int, int> values; would this function be the same as the push_…

c++ map vector containers push-back
How to put black borders in heatmap in R

Hi I created a heatmap in R using "heatmap.plus" which is shown in the link http://i.stack.imgur.…

r map heat
Creating a continuous heat map in R

I have a series of x and y coordinates that each have a distance attached to them. I would like …

r map ggplot2 continuous heat
gnuplot heat map color range

I have some X Y Z data in a file and I'm using gnuplot to display it. I am creating …

map gnuplot heat
How do I easily convert from one collection type to another during a filter, map, flatMap in Scala?

Suppose I have a List[Int], and I want to call toString on each element, and get back the result …

scala collections map filter implicit-conversion
Convert java Map to custom key=value string

I have TreeMap<String,String> which I need to convert to URI-like string and then back to Map. …

java map guava apache-commons
Java: What is a good data structure for storing a coordinate map for an infinite game world?

I am used to coding in PHP but I am not really proficient with Java and this has been a …

java map tile coordinate
Remap or Map function in Javascript

Of late, most of my programming experience has been in Processing, and more recently I have been wanting to branch …

javascript map processing remap
Compile-time map and inverse map values

Can someone recommend a more elegant way to achieve these compile-time constants? template <int> struct Map; template <&…

c++ templates map meta inverse