Top "Key" questions

Initializing a dictionary in python with a key value and no corresponding values

I was wondering if there was a way to initialize a dictionary in python with keys but no corresponding values …

python dictionary initialization key

python JSON only get keys in first level

I have a very long and complicated json object but I only want to get the items/keys in the …

python json python-2.7 iterator key

Java AES and using my own Key

I want to encrypt a string using AES with my own key. But I'm having trouble with the bit length …

java key aes

PHP Multidimensional Array Searching (Find key by specific value)

I have this multidimensional array. I need to search it and return only the key that matches the value of …

php search multidimensional-array key

How to find keys of a hash?

I know in javascript Objects double as hashes but i have been unable to find a built in function to …

javascript object key

Which characters are valid/invalid in a JSON key name?

Are there any forbidden characters in key names, for JavaScript objects or JSON strings? Or characters that need to be …

javascript json object key

Sort rows in data.table in decreasing order on string key `order(-x,v)` gives error on data.table 1.9.4 or earlier

Let's say I have the following data.table in R: library(data.table) DT = data.table(x=rep(c("b","…

r string sorting data.table key

php - push array into array - key issue

i am trying to push multiple arrays into 1 big array, resulting in a 2 lvl array. I got this set of …

php arrays key push

How do I make a composite key with SQL Server Management Studio?

How do I make a composite key with SQL Server Management Studio? I want two INT columns to form the …

sql sql-server tsql ssms key

get all keys set in memcached

How can I get all the keys set in my memcached instance(s)? I tried googling, but didn't find much …

get memcached key telnet