unsafe-pointers

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Unsafe Pointer iteration and Bitmap - why is UInt64 faster?

I have been doing some unsafe bitmap operations and have found out that increasing the pointer less times can lead to some big performance improvements. I am not sure why is that so, even though you d[详细]

2023-03-01 00:27 分类：问答
What are these so-called 'disasters' that improper use of pointers can cause? [closed]

As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, references,or expertise, but this question will likely solicit debate, a[详细]

2023-02-01 06:07 分类：问答
How to convert List<Double> to Byte[] in C#

Convertion from Double[] src to Byte[] dst can be efficiently done in C# by fixed pointers: fixed( Double* pSrc = src)[详细]

2023-01-29 11:52 分类：问答
Do classes with uninitialized pointers have undefined behavior?

class someClass { publ开发者_开发技巧ic: int* ptr2Int; }; Is this a valid class (yes it compiles)?Provided one assigns a value to ptr2Int before dereferencing it, is the class guaranteed to work as[详细]

2023-01-10 18:37 分类：问答
Assign a reference of an integer in a class

Is it possible to pass an integer as reference at class initializatio开发者_开发问答n and safe the reference?[详细]

2023-01-05 14:41 分类：问答
system crash after declaring global object of the class

I am very new to c++. I am getting system crash (not compilation error) in doing following: I am declaring global pointer of class.[详细]

2022-12-26 20:34 分类：问答
Fine-grained decorator pattern

I understand the Decorator pattern, in it\'s simplest terms.The idea being that one class wraps another, where a decorator method wishes to run some other code before and/or after calling the same met[详细]

2022-12-17 05:45 分类：问答