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c++ Programming Glossary: deviceSetting ROI with mouse from a rectangle on a video http://stackoverflow.com/questions/10881397/setting-roi-with-mouse-from-a-rectangle-on-a-video Example2 150 150 Retrieve a single frame from the device and set the ROI IplImage vid_frame cvQueryFrame capture if vid_frame..
Problems with Singleton Pattern http://stackoverflow.com/questions/1392315/problems-with-singleton-pattern you are wasting memory on your user's computer or device. You can run into memory fragmentation if you allocate a huge..
mixing cout and printf for faster output http://stackoverflow.com/questions/1924530/mixing-cout-and-printf-for-faster-output puts are much faster than cout when writing to the NUL device ...but cout keeps up quite nicely when writing to a real file..
Crossplatform iPhone / Android code sharing http://stackoverflow.com/questions/2380258/crossplatform-iphone-android-code-sharing a large chunk of reusable logic that needs to run on each device. Existing iPhone code base porting of C C and Objective C to..
C/C++ function definitions without assembly http://stackoverflow.com/questions/2442966/c-c-function-definitions-without-assembly ve run out of buffer is to flush to the screen or whatever device your file pointer represents we can hope to find the magic incantation.. meets the road an unbuffered actual direct write to an I O device. At least we can hope It is mapped by a macro to _IO_new_do_write..
Which C++ graph library should I use? [closed] http://stackoverflow.com/questions/2751826/which-c-graph-library-should-i-use components I need. I want to achieve the following Network device information is parsed by my application and then it computes.. and then it computes a neighborship table of all devices. This neighborship table should then be visualized. It would..
A call to PInvoke function '[…]' has unbalanced the stack http://stackoverflow.com/questions/2941960/a-call-to-pinvoke-function-has-unbalanced-the-stack TEngine GCreateEngine int width int height int depth int deviceType And here is my function in C# DllImport Engine.dll EntryPoint.. IntPtr CreateEngine int width int height int depth int device When I debug into C I see all arguments just fine so thus I..
how to make screen screenshot with win32 in c++? http://stackoverflow.com/questions/3291167/how-to-make-screen-screenshot-with-win32-in-c winapi screenshot share improve this question get the device context of the screen HDC hScreenDC CreateDC DISPLAY NULL NULL.. screen HDC hScreenDC CreateDC DISPLAY NULL NULL NULL and a device context to put it in HDC hMemoryDC CreateCompatibleDC hScreenDC..
How to get a list of video capture devices (web cameras) on windows? (C++) http://stackoverflow.com/questions/4286223/how-to-get-a-list-of-video-capture-devices-web-cameras-on-windows-c to get a list of video capture devices web cameras on windows C So we have a simple C win32 console.. is to print list of web cameras and other video capture devices that are avaliable. We want to use windows apis as much as.. official msdn sample but I still do not get how to output device list onto screen sorry I am new to C ... some more reserch.....
How to get a list of video capture devices (web cameras) on linux ( ubuntu )? (C/C++) http://stackoverflow.com/questions/4290834/how-to-get-a-list-of-video-capture-devices-web-cameras-on-linux-ubuntu-c to get a list of video capture devices web cameras on linux ubuntu C C So all I need is simple a.. need is simple a list of currently avaliable video capture devices web cameras . I need it in simple C or C console app. By list.. also from this series How to get a list of video capture devices on linux and special details on getting cameras NAMES with..
What is the best way to take screenshots of a Window with C++ in Windows? http://stackoverflow.com/questions/531684/what-is-the-best-way-to-take-screenshots-of-a-window-with-c-in-windows share improve this question You have to get the device context of the window GetWindowDC and copy image BitBlt from..
How to detect reliably Mac OS X, iOS, Linux, Windows in C preprocessor? http://stackoverflow.com/questions/5919996/how-to-detect-reliably-mac-os-x-ios-linux-windows-in-c-preprocessor iOS Simulator #elif TARGET_OS_IPHONE iOS device #elif TARGET_OS_MAC Other kinds of Mac OS #else Unsupported..
Why copying stringstream is not allowed? http://stackoverflow.com/questions/6010864/why-copying-stringstream-is-not-allowed user entered the data only once the keyboard or the input device generated the electric signals only once and they flowed through..
OpenCV 2.3 C++ Visual Studio 2010 http://stackoverflow.com/questions/7011238/opencv-2-3-c-visual-studio-2010 memory for an image IplImage img capture from video device #1 CvCapture capture cvCaptureFromCAM 1 create a window to display..
http://stackoverflow.com/questions/72552/why-does-volatile-exist a spot in memory that say a completely separate process device whatever may write to. I used to work with dual port ram in..
What does this C code do [Duff's device]? http://stackoverflow.com/questions/1723270/what-does-this-c-code-do-duffs-device
Hooking DirectX EndScene from an injected DLL http://stackoverflow.com/questions/1994676/hooking-directx-endscene-from-an-injected-dll Direct3DCreate9 to get the D3D9 then hooking D3D9 CreateDevice to get the device pointer and then hooking Device EndScene through.. CreateDevice to get the device pointer and then hooking Device EndScene through the virtual table. Downside The DLL cannot.. flag to hook the initial Direct3DCreate9 . Creating a new Device in a new window as soon as the DLL gets injected. Then getting..
Simpler way to create a C++ memorystream from (char*, size_t), without copying the data? http://stackoverflow.com/questions/2079912/simpler-way-to-create-a-c-memorystream-from-char-size-t-without-copying-t char data typedef boost iostreams basic_array_source char Device boost iostreams stream_buffer Device buffer dataPtr sizeof data.. char Device boost iostreams stream_buffer Device buffer dataPtr sizeof data boost archive binary_iarchive archive.. char data typedef boost iostreams basic_array_source char Device boost iostreams stream Device stream dataPtr sizeof data uint16_t..
how to get vendor id and product id of a plugged usb device on windows http://stackoverflow.com/questions/2935184/how-to-get-vendor-id-and-product-id-of-a-plugged-usb-device-on-windows statement displays the result as below qDebug pDetData DevicePath i get the result as 0x4 Whether i have any implementation.. qDebug invalid else qDebug valid handle SP_DEVINFO_DATA DeviceInfoData DeviceInfoData.cbSize sizeof SP_DEVINFO_DATA SP_INTERFACE_DEVICE_DATA.. else qDebug valid handle SP_DEVINFO_DATA DeviceInfoData DeviceInfoData.cbSize sizeof SP_DEVINFO_DATA SP_INTERFACE_DEVICE_DATA..
How to create a boost ssl iostream? http://stackoverflow.com/questions/3668128/how-to-create-a-boost-ssl-iostream just build your own class that implements the appropriate Device contract. In this case that's Sink and the boost iostreams sink..
How to get a list of video capture devices (web cameras) on windows? (C++) http://stackoverflow.com/questions/4286223/how-to-get-a-list-of-video-capture-devices-web-cameras-on-windows-c on topic found this HRESULT OnInitDialog HWND hwnd ChooseDeviceParam pParam HRESULT hr S_OK HWND hList GetDlgItem hwnd IDC_DEVICE_LIST.. 0 i pParam count i WCHAR szFriendlyName NULL hr pParam ppDevices i GetAllocatedString MF_DEVSOURCE_ATTRIBUTE_FRIENDLY_NAME szFriendlyName.. dshow.h #pragma comment lib strmiids HRESULT EnumerateDevices REFGUID category IEnumMoniker ppEnum Create the System Device..
Fastest method of screen capturing http://stackoverflow.com/questions/5069104/fastest-method-of-screen-capturing NULL const char file Pickture.bmp sanity checks. if Device NULL return get the render target surface. HRESULT hr Device.. NULL return get the render target surface. HRESULT hr Device GetRenderTarget 0 pRenderTarget get the current adapter display.. d3ddisplaymode create a destination surface. hr Device CreateOffscreenPlainSurface DisplayMde.Width DisplayMde.Height..
http://stackoverflow.com/questions/6558132/embed-xna-in-winforms The official samples XNA WinForms Series 1 Graphics Device XNA WinForms Series 2 Content Loading share improve this answer..
Using boost::iostreams::tee_device? http://stackoverflow.com/questions/670465/using-boostiostreamstee-device of stream and associates it with an instance of the Device T constructed from the given lists of arguments. The T constructors.. typedef io tee_device std stringstream std stringstream TeeDevice typedef io stream TeeDevice TeeStream std stringstream ss1 ss2.. std stringstream TeeDevice typedef io stream TeeDevice TeeStream std stringstream ss1 ss2 TeeDevice my_tee ss1 ss2..
Getting Started on Driver Development http://stackoverflow.com/questions/876155/getting-started-on-driver-development Here's a blog entry which reviews various books Windows Device Drivers Book Reviews . Don't forget the microsoft documentation..
How can I intercept all key events, including ctrl+alt+del and ctrl+tab? http://stackoverflow.com/questions/886076/how-can-i-intercept-all-key-events-including-ctrlaltdel-and-ctrltab link it in MSDN. I expect that it's Win32 user mode code. Device drivers are a different topic e.g. Getting Started on Driver..
Passing unique_ptr to functions http://stackoverflow.com/questions/9699333/passing-unique-ptr-to-functions code. I have a class which currently has a member variable Device device_ . It uses new to create an instance in some initialization.. of this class call many other functions that take a Device as a parameter. This works well but to modernize my code I thought.. to change the variable to be defined as std unique_ptr Device device_ and remove the explicit call to delete which makes the..
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