Questions tagged [static-access]
in object-oriented programming, access from a static (class) context, as opposed to one from a particular object instance context
37 questions
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Best way to access (grand grand) parent element in gui
I'm creating a multi window gui program, in c++ with Qt Widgets. I do have many custom gui elements, which usually are c++ classes inherited from QWidget or other Qt elements. When foo is the main ...
- 129
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What is the rationale for making certain methods for data types static?
In C#, for instance, there are static methods for telling if a string is null or empty, finding an element in an array, clearing an array, etc. However there's an instance method for replacing ...
- 637
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Usage of objects as services in static functions
The goal within my framework is to provide facades or front-facing functions/APIs so that people can easily interact with my system, as such, in most cases, that goes super well by having static ...
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How to model a Struct with a limited set of values that behaves like an enum?
I have a general organization problem with my code. I'm modeling DNA, and I've created a Nucleobase struct to store the "letter" of the DNA. For ease of use, I would prefer the following functionality ...
- 1,660
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Is singleton use acceptable for static single responsibility?
I have been reading into possible design patterns and have found the use of singletons always referred to as an anti-pattern.
I am currently using a singleton for the sole purpose of gathering ...
- 105
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Why isn't there a static initializer in Python?
The equivalent of
static {
// Code here
}
does not exist in Python by default. The closest thing, while being "Pythonic", seems to be to create a decorator and do the initialization there such as:...
- 1,912
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Should I avoid long method chaining simply to get a variable? [duplicate]
I am working on a game, and I have many instances where I have to do something like this:
Game.getInstance().getEnergyDropManager().getDrops()
Or:
this.dimensionSelector.selectDimension(Game....
- 173
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Java - Is it a bad idea to have fully static classes?
I'm working on a larger solo project and right now, and I have several classes in which I do not see any reason to create an instance of.
My dice class right now, for example, stores all of its data ...
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Why is there no static keyword in Kotlin?
Kotlin is known primarily as a drop-in replacement for Java, but it gets rid of a well-known Java construct: the static keyword. Instead, that class-level functionality is offered mainly by companion ...
- 492
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Static field injection into subclasses
Say that I have a C++ class with some fields with static storage duration, call it class A.
Is there some way to use inheritance to "inject" these static fields into classes which derive from class A?...
- 113
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Why shouldn't a static class have an internal state?
While working on a project, I decided to create a database class to manage my DB connection. I started looking for the best practice to do that, which is usually either a static class or a singleton ...
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Deterministic statics vs inject-able classes
I have in mind several deterministic functions that I'd like to put together, but I'm struggling with the full impllications of doing:
Static class with static methods
Instance of a class that can be ...
- 394
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Abstract classes with static methods in PHP
Pre: I am looking at a quite big PHP project developed by a company which we need to partly interact with while building a new webapp.
The whole application is developed in PHP 5.
Most of the ...
- 527
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Is marking members as static against object-orientated programming? [duplicate]
Me and my co-workers are having a bit of a discussion about one of the code analysis issues thrown by visual studio:
CA1822 Mark members as static The 'this' parameter (or 'Me' in Visual Basic) of '...
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Will this singleton style class work with accessing a session on multiple MVC controllers?
Question background:
I have an e-commerce site I'm developing that requires multiple controller methods to access a single session variable.
The idea:
My idea was to create a singleton style class ...
- 101