language-features Archives

Programming, sql

IT Nursery

Is SQL or even TSQL Turing Complete?

This came up at the office today. I have no plans of doing such a thing, but theoretically could you write a compiler ...

May 31, 2022
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How does “this” keyword work within a function?

I just came across an interesting situation in JavaScript. I have a class with a method that defines several objects using object-literal notation. ...

May 22, 2022
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DateTime.Now vs. DateTime.UtcNow

I’ve been wondering what exactly are the principles of how the two properties work. I know the second one is universal and basically ...

May 18, 2022
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What’s the difference between interface and @interface in java?

I haven’t touched Java since using JBuilder in the late 90’s while at University, so I’m a little out of touch – at ...

May 10, 2022
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Are there legitimate uses for JavaScript’s “with” statement?

Alan Storm’s comments in response to my answer regarding the with statement got me thinking. I’ve seldom found a reason to use this ...

May 9, 2022
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JavaScript hashmap equivalent

As made clear in update 3 on this answer, this notation: var hash = {}; hash...

May 8, 2022
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Expression Versus Statement

I’m asking with regards to c#, but I assume its the same in most other languages. Does anyone have a good definition of ...

May 5, 2022
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What does the ‘static’ keyword do in a class?

To be specific, I was trying this code: package hello; public class Hello { Clock clock = new Clock(); public static void main(String ...

May 5, 2022
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Why Doesn’t C# Allow Static Methods to Implement an Interface?

Why was C# designed this way? As I understand it, an interface only describes behaviour, and serves the purpose of describing a contractual ...

May 5, 2022
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