function Archives - Page 2 of 11

C#, Programming

IT Nursery

Should functions return null or an empty object?

Locked. This question and its answers are locked because the question is off-topic but has historical significance. It is not currently accepting new ...

May 29, 2022
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javascript, Programming

IT Nursery

How and why does ‘a'[‘toUpperCase’]() in JavaScript work?

JavaScript keeps surprising me and this is another instance. I just came across some code which I did not understood at first. So ...

May 29, 2022
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Programming, r

IT Nursery

“Correct” way to specifiy optional arguments in R functions

I am interested in what is the “correct” way to write functions with optional arguments in R. Over time, I stumbled upon a ...

May 29, 2022
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C#, Programming

IT Nursery

Local function vs Lambda C# 7.0

I am looking at the new implementations in C# 7.0 and I find it interesting that they have implemented local functions but I ...

May 29, 2022
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Programming, Python

IT Nursery

How can I find the number of arguments of a Python function?

How can I find the number of arguments of a Python function? I need to know how many normal arguments it has and ...

May 28, 2022
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Java, Programming

IT Nursery

How to return 2 values from a Java method?

I am trying to return 2 values from a Java method but I get these errors. Here is my code: // Method code ...

May 28, 2022
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function, Programming

IT Nursery

Difference between . and : in Lua

I am confused about the difference between function calls via . and via : > x = {foo = function(a,b) return a end, ...

May 27, 2022
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Programming, Python

IT Nursery

What is the best way to exit a function (which has no return value) in python before the function ends (e.g. a check fails)?

Let’s assume an iteration in which we call a function without a return value. The way I think my program should behave is ...

May 27, 2022
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javascript, Programming

IT Nursery

How to create a jQuery function (a new jQuery method or plugin)?

I know that in JavaScript the syntax is as follows: function myfunction(param){ //some code } Is there a way to declare a function ...

May 27, 2022
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C, Programming

IT Nursery

What do the parentheses around a function name mean?

In one of my project source files, I found this C function definition: int (foo) (int *bar) { return foo (bar); } Note: ...

May 27, 2022
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