arrays Archives - IT Nursery

arrays, Programming

IT Nursery

Can PostgreSQL index array columns?

I can’t find a definite answer to this question in the documentation. If a column is an array type, will all the entered ...

June 2, 2022
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arrays, Programming

IT Nursery

Pick a random element from an array

Suppose I have an array and I want to pick one element at random. What would be the simplest way to do this? ...

May 31, 2022
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arrays, Programming

IT Nursery

Convert command line arguments into an array in Bash

How do I convert command-line arguments into a bash script array? I want to take this: ./something.sh arg1 arg2 arg3 and convert it ...

May 30, 2022
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arrays, Programming

IT Nursery

Given an array of numbers, return array of products of all other numbers (no division)

I was asked this question in a job interview, and I’d like to know how others would solve it. I’m most comfortable with ...

May 30, 2022
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arrays, Programming

IT Nursery

Passing arrays as parameters in bash

How can I pass an array as parameter to a bash function? Note: After not finding an answer here on Stack Overflow, I ...

May 30, 2022
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arrays, Programming

IT Nursery

Array versus linked-list

Why would someone want to use a linked-list over an array? Coding a linked-list is, no doubt, a bit more work than using ...

May 29, 2022
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arrays, Programming

IT Nursery

Why do we use arrays instead of other data structures?

As I was programming, I haven’t seen an instance where an array is better for storing information than another form thereof. I had ...

May 28, 2022
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arrays, Programming

IT Nursery

Array.Add vs +=

I’ve found some interesting behaviour in PowerShell Arrays, namely, if I declare an array as: $array = @() And then try to add ...

May 28, 2022
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arrays, Programming

IT Nursery

Is there a reason that Swift array assignment is inconsistent (neither a reference nor a deep copy)?

I’m reading the documentation and I am constantly shaking my head at some of the design decisions of the language. But the thing ...

May 28, 2022
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arrays, Programming

IT Nursery

When to use a linked list over an array/array list?

I use a lot of lists and arrays but I have yet to come across a scenario in which the array list couldn’t ...

May 26, 2022
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