Top "Key" questions

A unique identifier used to retrieve a paired value.

Is there a Unicode glyph that looks like a "key" icon?

Unicode has a million icon-like glyphs, but they're not always easy to search by, since I don't always know what …

unicode icons key glyph
KeyboardEvent.keyCode deprecated. What does this mean in practice?

According to MDN, we should most definitely not be using the .keyCode property. It is deprecated: https://developer.mozilla.org/…

javascript key deprecated keycode
Convert .crt file to .cer and .key

I was asked to help converting a certificate for a renewal. I was given the domainname.crt file along with …

ssl key crt cer
Google map signed api key errors in Android

When I switched from my debug map key to my signed map key my maps stop working. I get the …

android google-maps key signed
jq: print key and value for each entry in an object

How do I get jq to take json like this: { "host1": { "ip": "10.1.2.3" }, "host2": { "ip": "10.1.2.2" }, "host3": { "ip": "10.1.18.1" } } and generate this output: …

json object key export-to-csv jq
Surrogate vs. natural/business keys

Here we go again, the old argument still arises... Would we better have a business key as a primary key, …

database database-design primary-key key
switching keys and values in a dictionary in python

Say I have a dictionary like so: my_dict = {2:3, 5:6, 8:9} Is there a way that I can switch the keys and …

python dictionary key
How to add duplicate keys into the Dictionary

I have some lines from text files that i want to add into the Dictionary.I am using Dictionary for …

c# string dictionary key text-files
Python, Press Any Key To Exit

So, as the title says, I want a proper code to close my python script. So far, I've used input(…

python python-2.7 key any
Multi-Column Primary Key in MySQL 5

I'm trying to learn how to use keys and to break the habit of necessarily having SERIAL type IDs for …

mysql key primary-key