Category: Grimaldis’ Last Stand

Great Last Stands Of The 21st Century / Grimaldis' Last Stand / Last Stands / Negative Energy / Situation Reports

09/27/2024

Last Stand

Something dawned on me while watching this, I realized where we were, in relation to the negative, and you’ll want to hear it but let me post what I was watching: For some reason I was comparing the Negative to various parts in the movie and I realized something.. “This” *IS* the Negative. Should we find a way to overcome...

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why c++ run a while(long long>0) in just under a second? on CPU 3.40GHz
02/23/2025 by jimakoskx
Just a noob question. I run the following code on visual studio release mode. And is finishing almost immidiatelly meaning running through long long largeNumber = 9223372036854775807 increasments at so little time. So how that is possible? #include using namespace std; int main() { std::cout > ok; cout 0) { […]
How to get pointer position from PointerRoutedEventArgs en C++/WinRT
02/23/2025 by Vicente Flich
I'm developing an apllication in WinUI 3 and C++, but I'm stuck with a problem, but I think it must be something simple. I try to get the mouse position in the event OnPointerPressed. Here is my code for the handler function: void MyWindow:OnPointerPressed(IInspectable const& sender, PointerRoutedEventArgs const& e) { […]
Catch std::bad_expected_access
02/23/2025 by Graznarak
std::bad_expected_access is a template class that is thrown. I have code that only cares that any instantiation of it is thrown, not which instantiation. Is there a way to catch (or some other mechanism) all instantiations of a template that are thrown?
Segmentation Fault When Calling Class Member [closed]
02/23/2025 by PaperBee
I am receiving a segmentation fault when calling the solve() method from the class mySolver, but I only receive this error when it is called from another class for which it is a member. I believe that solve() has been implemented correctly as I have called it before (not stored […]
Using OpenGL to render a texture in a custom QQuickItem, the texture appears incomplete in the QML window
02/23/2025 by shanw
I want the picture to be fully displayed in the window. I render my own image by inheriting QQuickItem and using OPenGL. As in the QT case https://doc.qt.io/qt-6.5/qtquick-scenegraph-openglunderqml-example.html. I suspect this may have something to do with the vertex coordinates, which cause the texture to be obscured by other elements […]
Perspective Projection Not Working Properly OpenGL C++
02/23/2025 by arudhraChandrasekaran
I am trying to render a 3D cude on the window and observe the perspective projection. In the vertex shader when I dont multiply the projection matrix, the cube gets rendered (but you cant observe the perspective projection). When I multiply the perspective projection matrix the cube seems to be […]
Trouble with understanding std::views::filter -> Lazy Evaluation
02/22/2025 by rmoss3475
auto ResultView { std::views::iota(1,30) | std::views::take(20) | std::views::filter([](int x){ return x%2!=0; }) }; std::cout
Why is this C++ code much slower than Rust?
02/22/2025 by RainingChain
I created two identical programs (one in Rust and one in C++). They are single threaded, and there are no heap allocations. The rust version (cargo run --release) runs in 12 sec. The C++ version (compiled with MSVC /O2 Release or gcc) runs in 17 sec. Profile guided optimization didn't […]
Is using ODBC {CALL} to a SQL Server stored-procedure safe from SQL injection?
02/22/2025 by xwellg
I am responsible for securing an old Windows C++ project. It uses the MFC ODBC CDatabase class to interface with SQL-Server. All DB query and insert operations are done using parameterized stored-procedures, so it seems like good practice. But almost all the DB C++ code prepares statements in this form: […]
when the C++ compiler shall check for template correctness?
02/22/2025 by Adhémar Patamob
The following template code is buggy as std::array has no operator() : template void k(T x) { std::array a { x, x, x }; std::cout

Category: Grimaldis’ Last Stand

Last Stand

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