Questions tagged [keywords]
The keywords tag has no summary.
26 questions
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3
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Why are constants declared with `let`?
A few weeks ago, I went on Udemy course on Swift, the instructor mentioned that constants are called let in Swift because it's standard in OOP (JavaScript uses it for example).
I know this may seem ...
1
vote
1
answer
190
views
Why does java use an @functionalInterface annotation, instead of a modifier?
What were the motivations for java to use the @FunctionalInterface annotation, instead of creating a new FunctionalInterface modifier?
@FunctionalInterface
public interface MyFunction {
TypeB ...
- 123
9
votes
1
answer
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C# design to force the virtual method to be called from the override, or something similar
We can do something like this:
// in base class
protected virtual void Init(){
//do stuff that all objects need to do
}
//in derived class
protected override void Init(){
base.Init(); // if ...
- 2,092
1
vote
0
answers
54
views
Can Attribute and Property, Method and Function be used inter-changeably in Software world?
Some pairs like these:
Method and Function
Attribute and Property
Argument and Parmameter
etc.
I use all the three pairs interchangeably when I speak to a peer. Do they have a very critical ...
1
vote
2
answers
392
views
Was including a keyword for events a mistake in C#?
C# has events built in with a keyword. So if you want to declare an event, you write:
public event MyEventHandler SomethingHappened;
It is convenient, as it does allow you to add multiple event ...
- 7,672
3
votes
1
answer
94
views
What approaches can I take to figure out the "relevancy" of certain terms in a string?
I'm not even sure "relevancy" is the most accurate word, so I'll just describe the problem:
I'm building an app that needs to somehow parse product descriptions from a popular website (let's just say ...
- 323
-6
votes
6
answers
382
views
What would be generally accepted shorter version of `const`? [closed]
Now that we have const implemented javascript we can use it to declare variables. But unlike let or var it is 5-character long and I believe it is a big deal actually. Something that even slightly ...
- 2,464
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3
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Is there a common "class=>clazz" equivalent for "interface?
In most languages I've used it's common practice to replace the reserved word class with clazz when you have a variable that refers to a class. This has become a sort of de facto convention, to the ...
- 218
5
votes
2
answers
291
views
Why was the static keyword used here?
In standard C, you have a few options for declaring a function that accepts a pointer to a chunk of data:
void style_1(int * arr);
void style_2(int arr[]);
void style_3(int arr[10]);
void style_4(...
- 861
4
votes
3
answers
654
views
Can Lisp keywords be protected?
Why aren't lisp keywords protected?
For example,
(define a 3)
(define define +) #makes define useless
(define a 1) #outputs 4, instead of assigning 1 to a.
Is this flexibility so important?
Or even ...
- 670
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2
answers
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Now that not all method declarations in a Java Interface are public abstract, should the methods be declared with these modifiers?
Starting with Java 8, default methods were introduced into interfaces. Effectively, this means that not all methods in an interface are abstract.
Starting with Java 9 (maybe), private methods will be ...
- 169
18
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4
answers
4k
views
Why does C# have both out and ref?
C# has the out and ref keywords. Why are these two required?
Disclaimer: I don't have deep knowledge of C#.
- 207
32
votes
1
answer
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Why does C++ not have a "pure" keyword for virtual functions?
I have always wondered why we code
virtual void MyFunction() = 0;
and not
pure virtual void MyFunction();
Is there a reference for the basis of this decision?
- 4,308
3
votes
3
answers
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Why does an interface extend an interface instead of implementing it?
In Java suppose that I have interface A:
public interface A {
// foo
}
I also have interface B:
public interface B extends A {
// foo + bar
}
Why does interface B extend interface A and ...
- 859
1
vote
1
answer
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Why VB local variables can be 'static', not 'shared'?
In Visual Basic .NET, I can see different keyword for the same(?) concept:
• methods Shared
• properties Shared
• class-level variables Shared
BUT
• local variables ...
- 672