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Database, Programming

IT Nursery

Surrogate vs. natural/business keys [closed]

Closed. This question is opinion-based. It is not currently accepting answers. Want to improve this question? Update the question so it can be ...

June 3, 2022
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Programming, Python

IT Nursery

How to get a random value from dictionary?

How can I get a random pair from a dict? I’m making a game where you need to guess a capital of a ...

June 2, 2022
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javascript, Programming

IT Nursery

How can I find the keys of an object?

I know in JavaScript, objects double as hashes, but I have been unable to find a built-in function to get the keys: var ...

June 1, 2022
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Programming, shell

IT Nursery

Looking for ALT+LeftArrowKey solution in zsh

I just recently switched from bash to zsh, however I miss my Alt+LeftArrowKey and Alt+RightArrowKey to go back and forth a word at ...

May 31, 2022
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json, Programming

IT Nursery

How to get key names from JSON using jq

curl http://testhost.test.com:8080/application/app/version | jq '.version' | jq '....

May 31, 2022
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javascript, Programming

IT Nursery

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 escaped? To be ...

May 31, 2022
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javascript, Programming

IT Nursery

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/en-US/docs/Web/API/KeyboardEvent/keyCode On W3 school, this fact is ...

May 30, 2022
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Programming, Python

IT Nursery

How can I get dictionary key as variable directly in Python (not by searching from value)?

Sorry for this basic question but my searches on this are not turning up anything other than how to get a dictionary’s key ...

May 27, 2022
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What’s the difference between using INDEX vs KEY in MySQL?

I know how to use INDEX as in the following code. And I know how to use foreign key and primary key. CREATE ...

May 25, 2022
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