All Questions
Tagged with programming-languagesdesign-patterns
18 questions
2votes
2answers
209views
Why do some languages decouple operations from data type?
This is a pretty difficult question to frame. But I'll try my best. In some languages, data types are decoupled from the operations they can perform, while in other languages like JavaScript they are ...
- 147
2votes
2answers
496views
How to avoid generating verbose code when compiling from a higher level language to a lower one?
I apologize in advance for the vague title. I didn't want to make it overly verbose, so allow me to explain more in-depth below: I've currently been developing a strong, statically typed language ...
- 2,840
5votes
1answer
305views
In more canonical OO Python situations, what is the rule of thumb for default access modifiers?
Generally speaking in canonical OOP situations, the rule of thumb is to write your classes with the least access as necessary. i.e. only make public only what is necessary, make protected only what is ...
3votes
4answers
2kviews
Design Pattern for Indirectly Connecting Two Classes
Admittedly, this is a homework problem but I have tried to figure it out on my own. Just want to make sure I get it correct. So far, the only design pattern I believe to be correct would be the ...
- 153
20votes
2answers
5kviews
How are generics implemented in a modern compiler?
What I mean here is how do we go from some template T add(T a, T b) ... into the generated code? I've thought of a few ways to achieve this, we store the generic function in an AST as Function_Node ...
- 383
-4votes
4answers
535views
Why aren't named switch statements a language feature? [closed]
I could imagine the below code being somewhat useful. Is there a reason this pattern hasn't made it into programming languages? To be clear the string was just what I chose as an example you could ...
- 169
1vote
2answers
571views
How do you guard against hidden overflows
consider the following: (i+j)/2 i and j are both 32 bit integers and the result should also be. But in the little equation, there's a hidden overflow, i+j could become larger then a 32 bit integer ...
- 13.3k
-1votes
1answer
201views
All programming functions always return to the If or If/Else statement? [closed]
After learning, coding, and coding even more than ever now, I have noticed a trend in a lot of programming which I do. The trend is that the majority of my functions are if{} or if{} else{} statements ...
- 129
1vote
1answer
154views
Optimizing mindmaps by finding the least amount of redundancy
When using mindmaps, you order them based on how you think it fits best. So for instance (tab means subtree) requirements dinner food forks spoons breakfast food forks this ...
- 51
66votes
6answers
24kviews
Is an event loop just a for/while loop with optimized polling?
I'm trying to understand what an event loop is. Often the explanation is that in an event loop, you do something until you're notified that an event has occurred. You then handle the event and ...
1vote
9answers
1kviews
Finally block for methods - is it a bad idea?
The finally block for a try-catch structure is well known, and gives a really easy and elegant way to deal with some must-be-done code. Therefore, I can see no reason why It shouldn't be good for ...
- 121
3votes
3answers
356views
MVC seems to create dependencies that just "don't feel right"
I might be misunderstanding MVC, so forgive me if that is the case. This is my program structure (Java/Swing): I have a JTable (View) that is pointed to by a custom linked list (Model). When the user ...
- 1,311
13votes
1answer
2kviews
So, "Are Design Patterns Missing Language Features"? [closed]
I saw, here on Programmers, the answer to this question: How does thinking on design patterns and OOP practices change in dynamic and weakly-typed languages? There I found a link to an article with an ...
5votes
2answers
3kviews
Design patterns and multiple programming languages
I am referring here to the design patterns found in the GOF book. First, how I see it, there are a few peculiarities to design pattern and knowing multiple languages, for example in Java you really ...
12votes
8answers
2kviews
Why aren't design patterns added to the languages constructs?
Recently I was talking with a colleague who mentioned that his company was working on adding the MVC design pattern as a PHP extension. He explained that they wrote C code for adding Controllers, ...
- 6,663
