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c++ Programming Glossary: clearwhat is the difference between const int*, const int * const, int const * http://stackoverflow.com/questions/1143262/what-is-the-difference-between-const-int-const-int-const-int-const to a const pointer to an int ... And to make sure we are clear on the meaning of const const int foo int const bar note you..
Why aren't my include guards preventing recursive inclusion and multiple symbol definitions? http://stackoverflow.com/questions/14909997/why-arent-my-include-guards-preventing-recursive-inclusion-and-multiple-symbol they fail to solve. However I could not find a really clear extensive answer which addresses the two most frequent problems..
How come a non-const reference cannot bind to a temporary object? http://stackoverflow.com/questions/1565600/how-come-a-non-const-reference-cannot-bind-to-a-temporary-object x getx .ref OK g getx error g getx .ref OK return 0 It is clear that the lifetime of the object cannot be the cause because.. to an object is not prohibited by C Standard. It is clear that the temporary object is not constant in the sample above.. . This is just a guess however. 2 I stated the purpose clearly you are not allowed to modify temporaries because it just..
In what cases do I use malloc vs new? http://stackoverflow.com/questions/184537/in-what-cases-do-i-use-malloc-vs-new that was created with the new operator but I'm not clear on when I should use malloc free and when I should use new delete..
Variable length arrays in C++? http://stackoverflow.com/questions/1887097/variable-length-arrays-in-c memory. EDIT Looking at the discussion at comp.std.c it's clear that this question is pretty controversial with some very heavyweight..
How to parse a string to an int in C++? http://stackoverflow.com/questions/194465/how-to-parse-a-string-to-an-int-in-c of parsing a string given as char into an int Robust and clear error handling is a plus instead of returning zero . c parsing..
How do I flush the cin buffer? http://stackoverflow.com/questions/257091/how-do-i-flush-the-cin-buffer do I flush the cin buffer How do I clear the cin buffer in C c cin io buffering share improve this.. a single line . Also You probably want to do a std cin.clear before this too to reset the stream state. share improve this..
How do you set, clear and toggle a single bit in C/C++? http://stackoverflow.com/questions/47981/how-do-you-set-clear-and-toggle-a-single-bit-in-c-c do you set clear and toggle a single bit in C C How to set clear and toggle.. you set clear and toggle a single bit in C C How to set clear and toggle a bit in C C c c bit manipulation embedded share.. set bit x . Clearing a bit Use the bitwise AND operator to clear a bit. number ~ 1 x That will clear bit x . You must invert..
Why can templates only be implemented in the header file? http://stackoverflow.com/questions/495021/why-can-templates-only-be-implemented-in-the-header-file able to use Foo with int or float If my explanation isn't clear enough you can have a look at the C FaqLite on this subject..
What are the barriers to understanding pointers and what can be done to overcome them? http://stackoverflow.com/questions/5727/what-are-the-barriers-to-understanding-pointers-and-what-can-be-done-to-overcome on reuse the paper for a new address if you so wish or clear it to forget the address to the house that no longer exists... as an exercise for the reader and then I free it. Lastly I clear the address from my variable. Memory layout h v before free.. begin h THouse.Create 'My house' ... h.Free ... forgot to clear h here h.OpenFrontDoor will most likely fail Using h after the..
http://stackoverflow.com/questions/6438086/iterator-invalidation-rules of objects within that container. 23.1 11 Note 2 It's not clear in C 2003 whether end iterators are subject to the above rules..
Why should `new` be used as little as possible? http://stackoverflow.com/questions/6500313/why-should-new-be-used-as-little-as-possible Line mString new std string foo_bar Line ~Line mString clear should not be neccessary delete mString Is actually a lot more..
How should I write ISO C++ Standard conformant custom new and delete operators? http://stackoverflow.com/questions/7194127/how-should-i-write-iso-c-standard-conformant-custom-new-and-delete-operators An opportune moment for an code sample to make things clear #include iostream #include cstdlib function to call if operator..
Where are static variables stored (in C/C++)? http://stackoverflow.com/questions/93039/where-are-static-variables-stored-in-c-c translation unit. But where is the storage allocated To be clear the assumption is that you have a toolchain that would output..
Display Different images per monitor directX 10 http://stackoverflow.com/questions/10744788/display-different-images-per-monitor-directx-10 code for int i 0 i screenNumber i clear scene pD3DDevice ClearRenderTargetView pRenderTargetView D3DXCOLOR 0 1 0 0 fill vertex.. courtesy of our per window data container void MultiRender Clear them all for int i 0 i windowsArray.size i WindowDataContainer..
Glew problems, unresolved externals http://stackoverflow.com/questions/11059971/glew-problems-unresolved-externals values and store it screen_height p_height Height value glClear GL_COLOR_BUFFER_BIT GL_DEPTH_BUFFER_BIT Clear both the color.. value glClear GL_COLOR_BUFFER_BIT GL_DEPTH_BUFFER_BIT Clear both the color and the depth buffer so to draw the next frame.. the same routine of glutDisplayFunc void display void glClear GL_COLOR_BUFFER_BIT GL_DEPTH_BUFFER_BIT This clear the background..
OpenGL two different 3d rendering picture control on single MFC dialog not working http://stackoverflow.com/questions/12227586/opengl-two-different-3d-rendering-picture-control-on-single-mfc-dialog-not-work OnTimer UINT nIDEvent switch nIDEvent case 1 Clear color and depth buffer bits glClear GL_COLOR_BUFFER_BIT GL_DEPTH_BUFFER_BIT.. nIDEvent case 1 Clear color and depth buffer bits glClear GL_COLOR_BUFFER_BIT GL_DEPTH_BUFFER_BIT Draw OpenGL scene .. Setup Set color to use when clearing the background. glClearColor 0.0f 0.0f 0.0f 1.0f glClearDepth 1.0f Turn on backface..
How to link opencv in QtCreator and use Qt library http://stackoverflow.com/questions/15881913/how-to-link-opencv-in-qtcreator-and-use-qt-library click and enter a text Debug without quotes . Clear the text from the Search field. 6.5 click configure and keep..
C++ OpenGL window only tracks background http://stackoverflow.com/questions/18477852/c-opengl-window-only-tracks-background namespace std Drawing display routine. void drawScene void Clear screen to background color. glClear GL_COLOR_BUFFER_BIT Set.. void drawScene void Clear screen to background color. glClear GL_COLOR_BUFFER_BIT Set foreground or drawing color. glColor3f.. void setup void Set background or clearing color. glClearColor 1.0 1.0 1.0 0.0 OpenGL window reshape routine. void resize..
OpenGL and GLUT in Eclipse on OS X http://stackoverflow.com/questions/2068693/opengl-and-glut-in-eclipse-on-os-x loop void main_loop_function Z angle static float angle Clear color screen And depth used internally to block obstructed objects.. And depth used internally to block obstructed objects glClear GL_COLOR_BUFFER_BIT GL_DEPTH_BUFFER_BIT Load identity matrix..
Which C++ Standard Library wrapper functions do you use? http://stackoverflow.com/questions/2552839/which-c-standard-library-wrapper-functions-do-you-use useful for things like std stack template class C void Clear C c c C I have a few more but I'm interested in which ones you..
How do I clear a Direct2D render target to fully transparent http://stackoverflow.com/questions/2603276/how-do-i-clear-a-direct2d-render-target-to-fully-transparent . However clearing the window with ID2D1HwndRenderTarget Clear just makes the entire window black so when I draw rectangles.. I draw rectangles on top they look semi black. If I don't Clear and don't draw then the window is invisible as it should be... don't draw then the window is invisible as it should be. Clear is the culprit here however if I don't use it then painting..
What is the best way to do input validation in C++ with cin? http://stackoverflow.com/questions/545907/what-is-the-best-way-to-do-input-validation-in-c-with-cin int main int a do cout nEnter a number cin a if cin.fail Clear the fail state. cin.clear Ignore the rest of the wrong user.. true do cout nEnter a number cin a if cin.fail Clear the fail state. cin.clear Ignore the rest of the wrong user..
how to find memory leak in c++ code/project http://stackoverflow.com/questions/6261201/how-to-find-memory-leak-in-c-code-project char 30 Allocate 30 bytes to house a string. delete str Clear those 30 bytes and make str point nowhere. 2 Reallocate memory..
Does vector::erase() on a vector of object pointers destroy the object itself? http://stackoverflow.com/questions/6353149/does-vectorerase-on-a-vector-of-object-pointers-destroy-the-object-itself myclassVector.end DeleteVector myclass Clear the vector myclassVector.clear std cout n myclassVector.size..
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