new-operator

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usages of virtual and new

As far as i see in c#, virtual function are not just for polymorphism, it is also for overriding the hiding method warning by the compiler[详细]

2023-03-22 18:05 分类：问答
2D array of char pointers --> Segmentation fault?

I have to create a 2-Dimensional array of char pointers. The array will store a list of names and surnames - row 0 will hold names and row 1 will hold surnames. This is the code I have written so far[详细]

2023-03-22 08:36 分类：问答
How to cancel an AsyncTask and then to instantiate a new one with a single click?

I have a custom DownloadFiles class which extends AsyncTask. The app launches itself and starts an AsyncTask in background for a default URL. On the UI, I have a number of buttons - each of them onCli[详细]

2023-03-21 21:52 分类：问答
program for comparisons in python

I\'m reall开发者_如何学Cy new to programming (really, really new) and need help with the basics. I\'m trying to write a program with python that will compare the contents of two .txt files, one a refe[详细]

2023-03-21 18:46 分类：问答
How to delete the object that is create inside the local function in c++?

I will explain the scenario using example. void func() { 开发者_StackOverflowCLine* pObj = new CLine();[详细]

2023-03-21 10:52 分类：问答
How does the new operator work in JavaScript?

Probably the least understood part of JavaScript, standing beside the prototype chain. So the question is: how does...[详细]

2023-03-21 04:32 分类：问答
using var i=new Image(); i.src... instead of true ajax for signal only remote commands

how effective is: var i=new Image(); i.src=\'http://secondary.domain.com/command.gif?command=somecmd&rand=\'+....epoch time....;[详细]

2023-03-20 18:08 分类：问答
C# The 'new' keyword on existing objects

I was wondering as to what happens to an object (in C#), once its reference becomes reassigned. Example:[详细]

2023-03-19 20:42 分类：问答
Limit the number of instances with the new keyword

I\'ve been reading a lot of debates about whether the Singleton pattern is good/bad/ugly, and what should be used instead of it.[详细]

2023-03-19 12:15 分类：问答
How could I prohibit use of "new" in certain parts of C++ code?

Is it possible to prevent new from being used at certain points in the code? The legacy code that I am developing with has a requirement that there is no dynamic memory allocation after the bootstrap[详细]

2023-03-18 12:43 分类：问答