Category "key"

What is an example of an "order preserving hash function"

I am now learning about hash ordering of file records, there is an issue with "ordered" accessing of the hash key which is being ineffective and thus we are enf

Find most elegant way to return key if condition is set to true

I have a python dictionary slot_a = 'a' slot_b = 'b' # dict which lists all possible conditions con_dict = {"branch_1": slot_a == 'a' and slot_b == 'b',

How to create a unique key for a map

I'm creating a structure where a developer can store a reference to something and retrieve it when needed using a reference key, but not delete the reference. H

Not able to change keys in JavaScipt dictionary

I am a beginner, I want to replace spaces with hyphen from keys of JavaScript dictionary and get the keys back in dictionary eg. In nameVars = {"my name is":"am

GPG not prompting for passphrase

So up until yesterday gpg was working all fine. But today, it doesn't prompt for passphrase, I just get an empty blinking command line. I'm using gpg for signin

Find separate REST API Key & MAP SDK Key for Android - mapmyindia API

On the mapmyindia (map my India) API console, under "Credentials" tab of the Default Project, a default (and single) key is present "REST / Map SDK Key". In the

mysql table relationship with primary and foreign keys

I have created 3 tables: accounts, products, claims. These are the relationships: Accounts: PK - username Products: PK - serial number, FK - username Claims: FK

Buildbot Docker BUILDBOT_CONFIG_URL how to setup with SSH keys?

In the Buildbot Docker tutorial documentation it says: "You will need to change docker-compose.yml the variable BUILDBOT_CONFIG_URL in order to point to your gi

Python dictionary, how can I create a key with a string and the actual key combined?

I hope this is a quite easy question, but for me without a lot of python background I can't find an answer. df = pd.DataFrame( {'Messung': ['10bar','10bar',

Microsoft Key Storage Provider get keys

I am trying to get the details of keys in Microsoft Key Storage Provider. For this I open the storage provider using the below API call: NCryptOpenStorageProvid

Difference between non-prime and non-key attributes in Database

I am a little bit confused between non-prime attribute and non-key attribute I have searched a bit about them and found that non-prime attribute means An attri

I can not ssh to newly created ec2 instance within terraform

I can not ssh to my newly created ec2 instance using terraform Keep getting permission denied (publickey) I generated the key using ssh-keygen -t rsa command Pl

Aerospike vs. SeaweedFS?

Aerospike is a (mostly commercial) distributed key value NoSQL database. SeaweedFS is a (open source) distributed file system that is based on Facebook’s

Renaming several keys in an array/object with Lodash

How can I get from x to y with Lodash? var x = [ {id: 22, location: 'Vienna'}, {id: 13, location: 'London'}, {id: 21, location: 'Paris'} ]; var y

OpenSSH using private key on Windows ("Unprotected private key file" error)

I am attempting to do a simple connection to a SSH server using OpenSSH for Windows using a private key, and am met with this: @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@

Read Key presses in C; ex.: Arrow keys, Enter key

I know how to use events to test when a key is pressed or not, but in C I never found out how to do that. What I want exactly is a "KeyListener" that listens fo

How to sort a list with two keys but one in reverse order?

I was wondering what would be a Pythonic way of sorting a list of tuples by two keys whereby sorting with one (and only one) key would be in a reverse order and