Recent content by pairofstrings

Thanks. I used multiple interfaces to achieve the desired result.

I found the code on ChatGPT: public interface IContainer<out T> { void Add(T item); T Get(); }

I need both covariance and contravariance..

Yes, I did but the search says that it is not possible to have covariance and contravariance in the single interface like this: public interface IContainer<out T> { void Add(T item); T Get(); } If I remove the following statement then it works fine: void Add(T item); But I need both...

Hi. I have the following code: public interface ICovariance<out T> { void Add(T item); T Get(); } How to remove the compile-time error without changing the code of method declaration and by only changing the interface signature? The error is in:void Add(T item); Thanks.

Hi. What is the difference between Inversion of Control in Operating system and IoC in Software Development? Thanks.

How to put a button on the top right corner without using any library? Can you describe hardware (display technology) mechanism with little pseudocode that puts a button right up there?

Hi. Thanks for taking my question. How to make screen display close button on a window? Does it depend on display technology?

Hi. Sorry for not using math words. By saying 2D and 3D graphing system I mean 2D and 3D coordinate system. In GeoGebra when I write random equation: ##x^2y^2z+x^2yz^2+xyz=1## I am getting a blank graph and sometimes like this (vertical axis is y-axis): My question is that, is it possible to...

Hi. If I write any random equation in 2D then the graph undoubtedly shows up on that 2D graphing system. Equation example: ##x^2 y^2 + x^2 y + x y =1## My question is: if I take the same equation: ##x^2 y^2 + x^2 y + x y =1## and if I manipulate the equation by including another variable...

Thanks. So, I need to do Analysis first?

Hi. I have two trigonometric equations whose graphs I am trying to understand. Here are the equations: 1. a sin(x) - b cos(y) = y; a = 2, b = 2 2. a sin(x) + b cos(y) = 1; a = 1, b = 1 My question is why the graphs are the way they are. What should I do to understand them? Can anyone...

Thank you all for the answers. I figured out how to build equations. Thanks for the support!

I understand that 'completing the square' is a technique that solves equations like ##x^2+x-1=0##. There are many equations with higher exponents, and lower exponents, and to solve them there could be techniques that gives me solutions by satisfying those equations. The 'completing the square'...

If there is PEMDAS then all of the following equations are equivalent to each other? ##x^2+x-y=1## ##x+x^2-y=1## ##-y+x^2+x=1## . . .