destructor

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How can a delete[] operation crash while the destructor succeeds? (in C++)

I have a class Foo, which has a (simple) destructor. Some other class contains an array of Foo objects (called foolist), in the destructor of that class, I do:[详细]

2023-03-31 15:13 分类：问答
What happens during initialization of a class?

Here is the code which confuses me: #include <iostream> using namespace std; class B { public: B() {[详细]

2023-03-31 08:10 分类：问答
How to handle object destruction in error case vs. non-error case

I have a program that is responsible for reading data, formatting it and creating records, and outputting records to files. The important classes for this discussion are:[详细]

2023-03-30 15:22 分类：问答
destructor works before . How?

#include<iostream> using namespace std; class test { int a; public: test() { a=0; } test operator ++(int)[详细]

2023-03-29 23:45 分类：问答
Is memory released when a destructor is called or when `delete` is called?

Assume you have an 开发者_C百科object of class Fool. class Fool { int a,b,c; double* array ; //... ~Fool()[详细]

2023-03-29 19:03 分类：问答
Qt destructor call for closed widget

There is application that handles text commands. I have a Qt widget that is closed with some close * command. Qt::WA_DeleteOnClose attribute is set for that widget, it receives closeEvent, but destruc[详细]

2023-03-28 12:14 分类：问答
Are destructors run when calling exit()? [duplicate]

This question already has answers here: Closed 11 years ago. Possible Duplicate: Will exit() or an exception prevent an end-of-scope destructor from being called?[详细]

2023-03-27 19:01 分类：问答
Are moved-from objects required to be destructed?

If I move-construct a from b, is it still necessary to destruct b, or can I get away without doing so?[详细]

2023-03-25 17:52 分类：问答
Calling member variable's virtual function within destructor causes seg fault

I\'m having a very odd problem that I\'m hoping someone has come across. class Letter { public: Letter() virtual ~Letter()[详细]

2023-03-25 11:07 分类：问答
Load viewstate on pageload, save on Page Unload (from baseclass) - c# Asp.net

Pardon me for asking a mundane newbie question but I seem to be stuck in a class life-cycle limbo. So I have my page[详细]

2023-03-23 19:46 分类：问答