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Questions - unsafe

How can I convert this code using GDI Bitmap pointers from C# to VB.NET?

I need help to convert my code from C# to VB.NET. I'm stuck on these lines: byte* ptr = (byte*)(void*)bitmapData.Scan0; byte* ptr2 = (byte*)(void*)bitmapData2.Scan0; Here is my full code.
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kokosik 1221

c#

vb.net

pointers

translate

unsafe

Votes: 0

Answers: 0

Rust, std::cell::Cell - get immutable reference to inner data

Looking through the documentation for std::cell::Cell, I don't see anywhere how I can retrieve a non-mutable reference to inner data. There is only the get_mut method: https://doc.rust-lang.org/std/ce...
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Jakub Padło

pointers

variables

rust

reference

unsafe

Votes: 0

Answers: 2

Latest Answer

First of, if you have a &mut T, you can trivially get a &T out of it. So you can use get_mut to get &T. But to get a &mut T from a Cell<T> you need that cell to be mutable, as ge...
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mcarton

Best way to extract strings from binary data in golang using unsafe

I have an application which loads a byte array of several gigabytes. I dont have control of the binary format. The program spends most of its time converting sections of the array into strings, doing ...
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Jay

go

unsafe

Votes: 0

Answers: 1

Latest Answer

Use the following function to convert a byte slice to a string without allocation: func btos(p []byte) string { return *(*string)(unsafe.Pointer(&p)) } The function takes advantage of the fac...
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user12258482

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