Questions tagged [non-static]

non-static is a term to define a function or field that is bound to some object instance. Without an instance, non static fields cannot be accessed and non static methods cannot be invoked. Unlike static, non-static methods can be overridden (virtual).

525 questions
-2
votes
1 answer

Non-Static Extern variable

I am initializing an extern variable in a herder file and then use it in (.c) file but when i compile my code i get an warning that says: no previous extern declaration for non-static variable. Here is my code: enter code here /*led.h extern int…
-2
votes
1 answer

C# Invoke a non-static method of an instance by string

I have been struggling with a the concept mentioned in the title. I've done a good deal of research and have found some good examples and I have attempted to implement some of them but have reached a road block. I initially had a class that looked…
-2
votes
1 answer

error: non-static method show() cannot be referenced from a static context DatePickerDialog.show();

I am developing a date-picker dialog in my application by using this tutorial (youtube link https://www.youtube.com/watch?v=AdTzD96AhE0), in which I am taking the input from the user by using date-text by applying date-picker dialog, and it is also…
-2
votes
1 answer

How to create non-static methods/class that I can call off of multiple objects/contexts?

So I have a node.js module that I cannot modify that has non-static methods such as .set, .get, .remove, etc. I want to create non-static wrapper methods for these, but want to do it in a way where I can leave the object/context they're being called…
burt7
  • 57
  • 1
  • 5
-2
votes
1 answer

error: invalid use of non-static member function

Issue: I am trying to instantiate a class (say class A) inside another class (say class B) and then call all the member functions of class A inside the class B for the instantiated object. I get the following error message for every call of class A…
Arun Kumar
  • 634
  • 2
  • 12
  • 26
-2
votes
3 answers

I need to reference a variable from a non static class in a non static class constructor. [c#]

I'm trying to make a solar system with natural satellites. Currently I'm drawing a planets relative to a static "Sun" class object, but i wold like to make the class use a position of another planet object and draw relative to that planet. To do…
Major Tom
  • 1
  • 1
-2
votes
1 answer

Non-Static Call - IntelliJ Thinks It's Being Accessed From Static Method

I have read this question, but my issue is different because mine isn't about this error message specifically; I was just using it to realize I had made a different kind of mistake. Please read my answer to my question - if you still feel like this…
-2
votes
1 answer

Posix thread in Qt

I'm getting an error: Invalid use of non-static member function Basically, I need to update the UI in my thread whenever I receive a message: if (pthread_create(&thread, NULL, MainWindow::thread_message, &sock)) { perror("error in creating the…
-2
votes
1 answer

A field initializer cannot reference the non-static field, method, or property

I have the following code into a Form: using System; using System.Diagnostics; using System.Drawing; using System.IO; using System.Media; using System.Reflection; using System.Runtime.InteropServices; using System.Windows.Forms; namespace…
willy wonka
  • 1,440
  • 1
  • 18
  • 31
-2
votes
1 answer

Cannot access non-static method (constructor) from main (tried instantiating)

I've had a thorough search already and I know that you have to instantiate an object first inside the static method main () before you can access its non-static variable or method. However, I believe I have done this so I cannot understand the…
S_777
  • 1
-2
votes
1 answer

how to convert a non-static value to a static value in android

public static final String MyPREFERENCES = "AdmissionsPrefs" ; final SharedPreferences settings = getSharedPreferences(MyPREFERENCES, Context.MODE_PRIVATE); SharedPreferences.Editor editor = settings.edit(); String server =…
-2
votes
1 answer

MouseListener and JPanel Objects

So, I am working on building a calendar. My aim is to make it possible for the user to click on the screen so as to scroll through different months of the year. In main, I created 42 objects of a class named "DateSquare" (which are the different…
-2
votes
1 answer

C++ warning non-static data member initializers

I wrote a C++ program and when I compiled it, I got this warning wherever I call Vector3* center = new Vector3(), actually anywhere I call Vector3() constructor: warning: non-static data member initializers only available with -std=c++11 or…
kalahari
  • 895
  • 5
  • 15
  • 34
-2
votes
1 answer

Non-static method cannot be reference from a static context

I realise that this is a duplicate of other previous threads on this issue, However I have read them and I cannot for the life of me work out how to deal with the issue of 'Non-static method 'getItemAtPosition' cannot be referenced from a static…
James
  • 129
  • 4
  • 18
-2
votes
3 answers

Emergency: "error: non-static variable this cannot be referenced from a static context"

I have 4 hours to complete my exercise but I get multiple "cannot be referenced from a static context" errors. Here are these in full: MainApp.java:281: error: non-static variable this cannot be referenced from a static context …
AnKo
  • 33
  • 1
  • 8