raii

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Why use one vs the other: `boost::shared_array` VS `boost::shared_ptr<std::vector>`?

So to deal with large blobs of memory either for an image or similar there are clea开发者_Python百科rly lots of options.[详细]

2023-03-22 14:15 分类：问答
Improper nesting of variable scopes in C++?

I have some code that looks something like this: ComplexObject cpy; { RAIILockObject _(obj->mutex); cpy = obj->org;[详细]

2023-03-22 04:52 分类：问答
Best way to use RAII conditionally

I have a nice resource managing class. For concreteness, lets have it be a File class for managing a FILE* (handling the open and close operations)[详细]

2023-03-14 04:39 分类：问答
Queried class member returns wrong value

I have created a simple RAII class in one of my DLLs (let\'s call it the exporting DLL) which monitors for configuration restore in my application:[详细]

2023-03-13 18:56 分类：问答
Move constructor and const member variables

I like the idea of const member variables especially when I wrap C functions into classes. The constructor takes a resource handle (e.g. a file descriptor) that stays valid during the whole object lif[详细]

2023-03-12 10:30 分类：问答
Scopeguard and parameters by reference

In this article in the Supporting Parameters by Reference section, they point out the probl开发者_运维技巧em with and provide the solution to references.My question is: why don\'t they just declare th[详细]

2023-03-04 20:50 分类：问答
Should I clean up ivar C++ vector...?

If a vector is placed in stack, it will be destructed automatically at the end of its automatic variable scope开发者_如何学C.[详细]

2023-02-20 11:51 分类：问答
longjmp and RAII

So I have a library (not written by me) which unfortunately uses abort() to deal with certain errors. At the application level, these errors are recoverable so I would like to handle them instead of t[详细]

2023-02-18 05:39 分类：问答
Understanding the life time of an object, scope, RAII

In the below code, when I pass an unnamed A variable to the ctor of B, the variable is destructed after the line. According to this answer :[详细]

2023-02-18 01:53 分类：问答
RAII in Python - automatic destruction when leaving a scope

I\'ve been trying to find RAII in Python. Resource Allocation Is Initialization is a pattern in C++ whereby[详细]

2023-02-12 05:06 分类：问答