Top "Key" questions

A unique identifier used to retrieve a paired value.

Submit form on Enter key with javascript

I'm not sure what I am doing wrong here. I want the enter key to work as well as clicking …

javascript forms key submit enter
How to remove duplicates based on a key in Mongodb?

I have a collection in MongoDB where there are around (~3 million records). My sample record would look like, { "_id" = ObjectId("50731…

mongodb optimization duplicates key
How do I manually change the key labels in a legend in ggplot2

I am preparing a plot for publication. I created a stacked box plot to show frequency of patients in each …

r label key ggplot2
How to modify key in a dictionary in C#

How can I change the value of a number of keys in a dictionary. I have the following dictionary : SortedDictionary&…

c# .net dictionary key
Is there any way to use a numeric type as an object key?

It seems that when I use a numeric type as a key name in an object, it always gets converted …

javascript object types key numeric
Easiest way to check for an index or a key in an array?

Using: set -o nounset Having an indexed array like: myArray=( "red" "black" "blue" ) What is the shortest way to check …

arrays bash indexing key
How to remove a lua table entry by its key?

I have a lua table that I use as a hashmap, ie with string keys : local map = { foo = 1, bar = 2 } I …

lua key lua-table
Return first key of associative array in PHP

I'm trying to obtain the first key of an associative array, without creating a temporary variable via array_keys() or …

php arrays key associative-array
Oracle SQL - Add Primary Key to table

I have some columns with no primary key and want to add a primary key column. NAME Age ------------- Peter 45 …

sql oracle key add
Putty won't cache the keys to access a server when run script in hudson

I had a simple automation process to write which needed to copy a few files from linux server to windows …

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