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- Previous
  - 1
    - struct & enum & :: visibility operator Hi at all, I have a header file like this: -------- file.h ------------ ... extern "C" { ... typedef struct _S S; ... struct _S { ... enum { a, b }myenum; ... }; } --------- end of file.h ------------- and a C file like this ----------- file.c ---------------- .... #include "file.h" static void myFunc(S* pS) { .... if (... == _S::a) .... .... } -----------end of file.c -------------- I'm using the Microsoft 2005 environment and so its compiler. The compiler says me that there is an error in myFunc, the error is that _S is an undeclared indentifier. I'm not an expert of C but I don't know where the problem is. Can anyone help me, please? thanks a lot roberto Tag: Earn $35,000- $50,000 per project from google Tag: 292971
  - 2
    - CStringArray, CArray and CMap objects have memory leak? Hi All, I am using CStringArray object in VC++ 6.0 application. Trying to release this object by .RemoveAll() function. But, it is decreasing the "VM Size" from task manager. And, I confirmed this with memory leak tool. The "VM Size" after loading all the CString objects into CStringArray is 17MB. After RemoveAll() called, it decreases just 1MB. And, same for CArray and CMap objects also. How to deallocate them successfully? All objects are member variables of class. There is no global objects. What is the difference between "Mem Usage" and "VM Size" in task manager? If I minimize the application, "Mem Usage" decreases to 1MB from 20 MB. But, "VM Size" is not decreasing. Can anybody clear this doubt. Please suggest. Thanks in advance. Regards, Tag: Earn $35,000- $50,000 per project from google Tag: 292964
  - 3
    - calling convention stdcalll and cdecl call Hello everyone, Both stdcall and cdecl calling convention could support variable input parameters? Is that correct? (I think stdcall is using RET N and cdecl is using ESP - N, so both are capable to handle variable number of input parameter, like printf?) BTW: I have this question because I have something in mind that only one of them supports variable number of parameters, but after reading assembly language code, I think both of them are able to support this feature? thanks in advance, George Tag: Earn $35,000- $50,000 per project from google Tag: 292957
  - 4
    - RPC and IOCP tutorial? Hello everyone, I am new to RPC (TCP based) and IOCP, any recommended tutorials? thanks in advance, George Tag: Earn $35,000- $50,000 per project from google Tag: 292956
  - 5
    - define a char[ ] with alignment restrictions Env: VC++6.00 I wonder how to define a char[ ] with alignment restrictions? For example, I hope the start address of a char[100] is with alignment restrictions 256 bytes. TIA ou Tag: Earn $35,000- $50,000 per project from google Tag: 292951
  - 6
    - how to cast byte to char How do I change a byte variable so that I can add it's character value to the end of a variable of type string, such that: String^ s = "1234"; byte b; b= 53; s = s + b; thus s = "12345". I wasn't able to use a cast. s = s + (char)b; did not work. Daniel Tag: Earn $35,000- $50,000 per project from google Tag: 292947
  - 7
    - Reading U.D. Functions Is there a way to tell VC++ what to do from an external text file? Anyone can do this in vbcript and Visaul Fox Pro. The situation is to allow the user to write certain algorithm on text file and the application should be able to interpret this text file and excecute its instructions inside the application. -- Thanks, Rick. "For every problem, there is a solution that is simple, neat, and wrong." H. L. Mencken" Tag: Earn $35,000- $50,000 per project from google Tag: 292942
  - 8
    - Two basic questions about generated assembly Hello everyone, Two questions after readnig this article, http://www.microsoft.com/msj/0298/hood0298.aspx 1. why using LEA to do multiplication is faster than using MUL? "Using "LEA EAX,[EAX*4+EAX]" turns out to be faster than the MUL instruction." 2. "The TEB's linear address can be found at offset 0x18 in the TEB." -- what means linear address? Something like array, which elements are put next to each other? What means non-linear address? thanks in advance, George Tag: Earn $35,000- $50,000 per project from google Tag: 292930
  - 9
    - process termination Hello everyone, My question is during system shutdown/reboot, will OS shutdown/reboot wait for all process to terminate or not? How could OS identify if a process is terminated or not? I am suffering a problem when write event log returns 0x80004005 error in my own code when system is reboot (I monitor this reboot in Event View), I think OS should always wait for process to complete (e.g. write event log operation) before stops event log services and reboot? Maybe OS does not wait until my process completed event log write? thanks in advance, George Tag: Earn $35,000- $50,000 per project from google Tag: 292929
  - 10
    - How can i get the stored application descriptions and path in windows system I want to get the stored Application Descriptions and path that run at least once in windows xp system. I know that Rwipe&clean can do this. But i want to get these myself, How can i do? Tag: Earn $35,000- $50,000 per project from google Tag: 292923
  - 11
    - Create a file larger than 3 gb All, I am having an issue create a file larger than 3 GB. I am using CreateFile and WriteFile. Any ideas how to create one past 3 GB? Here is what I am doing. Thanks in advance... BOOL bWrite = TRUE; HANDLE hFile = CreateFile("c:\\test.dat", GENERIC_WRITE, FILE_SHARE_WRITE, 0, CREATE_ALWAYS, FILE_ATTRIBUTE_HIDDEN, 0); while(bWrite == TRUE) { memset(szData, 0, sizeof(szData)); WriteFile(hFile, szData, sizeof(szData), &dwBytesWrite, NULL); Sleep(.5); dwSize = GetFileSize(hFile, NULL); if(dwSize >= (1024 * 1024 * 1024 * 5)) { bWrite = FALSE; } } CloseHandle(hFile); Tag: Earn $35,000- $50,000 per project from google Tag: 292921
  - 12
    - How to load dll ? Hi to all Now newbie to vc++6. Now i am writing a simple application in vc++6 using MFC library. Can anyone help me to how to load the dll files and display the dialogs within it. For eg. i need to load nsv_coder_aac.dll file in my application and display the dialog within it. How can i do this? can anyone help me ????????? thanks in advance.. Regards, itekchandru. Tag: Earn $35,000- $50,000 per project from google Tag: 292913
  - 13
    - What does CALLBACK mean? LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam) I know this signature for a while but I am really interested in the "CALLBACK". After some research I found this article quite helpful: http://www.codeproject.com/KB/cpp/calling_conventions_demystified.aspx The question is, why "CALLBACK" is a necessity. Why must I use it in a callback function? Regards Warren Tag: Earn $35,000- $50,000 per project from google Tag: 292904
  - 14
    - What does "CALLBACK" mean? LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam) I know this signature for a while but I am really interested in the "CALLBACK". After some research I found this article quite helpful: http://www.codeproject.com/KB/cpp/calling_conventions_demystified.aspx The question is, why "CALLBACK" is a necessity. Is it something by design? Best Regards Chunsheng Tang Tag: Earn $35,000- $50,000 per project from google Tag: 292903
  - 15
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  - 16
    - Designer Louis Vuitton Multicolore Mini HL - Black m92644black Designer Louis Vuitton Multicolore Mini HL - Black m92644black Handbags, Luxury, Best,Inspired Designer Handbags : http://www.bagsbrand.com Louis Vuitton Multicolore Mini HL - Black m92644black Link : http://www.bagsbrand.com/Louis-Vuitton-m92644black.html Brand : Louis Vuitton ( http://www.bagsbrand.com/Louis-Vuitton-Handbags.html ) Model : m92644black Louis Vuitton Multicolore Mini HL - Black Details : Round leather handlesZipper closure on topInside is one flat pocket for small thingsComes with serial numbers authernticity Card,dust bag, and care booklet Size: 5.9" x 3.9" x 2.8" Louis Vuitton Multicolore Mini HL - Black m92644black : http://www.bagsbrand.com/Louis-Vuitton-m92644black.html Tag: Earn $35,000- $50,000 per project from google Tag: 292901
  - 17
    - ANN: user- and kernel mode unit testing framework cfix 1.1 released I am pleased to announce that a new release of cfix is now available on http://cfix.sourceforge.net/. cfix is an xUnit testing framework for C and (unmanaged) C++. Unlike other frameworks, cfix has been specially tailored for Windows development. In addition to user mode unit tests, cfix 1.1 introduces the ability to author NT kernel mode unit tests. For more information please refer to my blog post at http://jpassing.wordpress.com/?p=73 Tutorials are available on http://cfix.sourceforge.net/doc/TutorialUserVs.html (User) http://cfix.sourceforge.net/doc/TutorialKernelWdk.html (Kernel) The full set of documentation can be found on http://cfix.sourceforge.net/doc/ cfix is open source software and licensed under the LGPL. Feedback is very welcome: Please mail to passing at users dot sourceforge dot net. --Johannes Tag: Earn $35,000- $50,000 per project from google Tag: 292889
  - 18
    - input parameter debug Hello everyone, I an setting break point on some some system API, for example, CoInitializeEx. Here is the call stack I got from WinDbg. My question is, how to get the related assembly language before we call CoInitialize (e.g. preparing input parameter), I want to see how the parameters are prepared either in register or pushed on stack for function call CoInitializeEx. [Code] Child-SP RetAddr Call Site 00000000`0012f7c8 00000000`023b6744 ole32!CoInitializeEx 00000000`0012f7d0 00000642`7f5f84a6 vfbasics!AVrfpCoInitializeEx+0x2c 00000000`0012f800 00000642`7f622fba mscorwks!Thread::SetApartment+0x8a 00000000`0012f890 00000642`7f5ef820 mscorwks!SystemDomain::SetThreadAptState+0x7e 00000000`0012f8d0 00000642`7f467d97 mscorwks!SystemDomain::ExecuteMainMethod+0x198 00000000`0012fea0 00000642`7f482c24 mscorwks!ExecuteEXE+0x47 00000000`0012fef0 00000642`7ee69ade mscorwks!_CorExeMain+0xac 00000000`0012ff50 00000000`77d5964c mscoree!_CorExeMain+0x3e 00000000`0012ff80 00000000`00000000 KERNEL32!BaseProcessStart+0x29 [/Code] thanks in advance, George Tag: Earn $35,000- $50,000 per project from google Tag: 292883
  - 19
    - PayPal EARN A FORTUNE IN LESS THAN 30 DAYS WITH VIRTUALLY NO INVESTMENT!! This is a home based opportunity to make substantial money with a $6 investment: as seen on Oprah! THIS REALLY CAN MAKE YOU EASY MONEY!! IT WORKS!!! BUT YOU HAVE TO FOLLOW The LETTER FOR IT TO WORK!!!! THIS IS NOT A PYRAMID SCAM!! For a simple investment of 15-30 minutes and just $6, it is 100% worth it to make thousands so quickly. This is not another scam that takes lots of your hard earned money; this is a no risk investment that will make you thousands of dollars I figured "what have I got to lose except $6.00, right?"So I invested the measly $6.00 Well GUESS WHAT!! Within days, I started getting money coming into my Pay Pal account! I was shocked! REQUIREMENTS: You must have a verified PayPal account. If you do not have an account, take a few minutes to join Paypal FREE: http://www.paypal.com When creating your Paypal account make sure you use the same Email address as your user name in the list below so people can send money to your account. STEP 1 Once you have a Paypal account running, use Paypal to pay $1 to EACH of the 6 Email Addresses below because you pay people with an email address in Paypal. FOLLOW THESE EASY STEPS: 1. Log in to PayPal. Go to SEND MONEY tab. 2. Type in Recipients name: (Email address) Subject:: "EMAIL LIST" Category:"SERVICE" Comments: "PLEASE ADD ME TO YOUR EMAIL LIST". 3. Next screen: CHECK PAYMENT DETAIL - Select "NO SHIPPING ADDRESS REQUIRED" 4. Send Money. THAT'S IT. YOU'RE DONE!! What you are doing is creating a service. THIS IS ABSOLUTELY LEGAL! You are requesting a legitimate service and you are paying for it! Send $1.00 to EACH of these Paypal account email addresses: 1.) 17sagp@gmail.com 2.) jhn585@gmail.com 3.) moniferious@comcast.net 4.) limey8501@hotmail.com 5.) tracym605@verizon.net 6) nj45lady@yahoo.com STEP 2 Now, AFTER paying $1.00 to each of the email addresses above, take the #1 Email Address off the list, move the other Email Addresses up (6 becomes 5, 5 becomes 4, etc.) and add Your Email Address as number 6 on the list. STEP 3 Keep this article as close to the original as possible. Post this article to at least 200 newsgroups (there are thousands of groups). And email your message to as many people you can. Remember, the more you post and email the more money you make! Tag: Earn $35,000- $50,000 per project from google Tag: 292875
  - 20
    - can not set breakpoint in release mode Hello everyone, For the following code, I can not set breakpoint in release mode, but the same command in WinDbg works fine in debug mode. Anything wrong? Here is my Windbg command and output in release mode and source codes. I have tested in release mode breakpoint at foo does not take effect, but in debug mode it takes effect. 0:000> bp foo Bp expression 'foo' could not be resolved, adding deferred bp 0:000> bp main 0:000> bl 0 eu 0001 (0001) (foo) 1 e 00000001`40001000 0001 (0001) 0:**** Test64bitDebug!main int foo (int a, int b) { return a+b; } int main() { int a1 = 100; int b1 = a1 + 100; a1 = foo (a1, b1); return 0; } thanks in advance, George Tag: Earn $35,000- $50,000 per project from google Tag: 292865
  - 21
    - Control panel applet question Hi Experts: I have a control panel applete (testApplet.cpl) which is statically linked to a dll (test.dll). My questions are: 1. Can I put testApplet.cpl at locations other than System32 directory? 2. If I have to put testApplet.cpl in System32 directory, is there a way for me to put test.dll in locations other than System32 directory? For example, I prefer to put test.dll in my application folder under "Program Files". Thaks in Advance! Polaris Tag: Earn $35,000- $50,000 per project from google Tag: 292850
  - 22
    - ICE compiling template code Hi All, Here is some code from another thread in 'comp.lang.c++'. I get ICE on the line that contains 'friend' keyword. void Function(); int main() { Function(); // This does not work } #include <stdio.h> template <typename T> class Test { public: friend void Function() { printf("Function()"); } }; template class Test<int>; // explicit instantiation (compiler file 'msc1.cpp', line 1411) Any clues? V -- Please remove capital 'A's when replying by e-mail I do not respond to top-posted replies, please don't ask Tag: Earn $35,000- $50,000 per project from google Tag: 292842
  - 23
    - link gui's Hello all. I'm new to C++ (took a C++ class at college a few years back-2001, and am just returning to update console appl. I created back then. I got that to work last night, finally), and want to update a console application to a full-blown windows program. I'm presently using MS Visual Studio C++ Express 2008. I've already "created" my gui's using the drag/drop utility in Express. My initial question is where can I read up on how to "link" all my forms to: 1- my base code. 2- I have three functions, which will use three (one form each) forms. So I need to link the forms back to my main "intro." form. I'll admit right now I'd like to minimze the amount of frustration I'll have, but am willing to take the time to do what I must to have a fully-working windows program. Thank you in advance for your helps. Best. SteveB. Tag: Earn $35,000- $50,000 per project from google Tag: 292835
  - 24
    - Why does MFC call _CrtDumpMemoryLeaks ?!? (I think this applies to mfc & C++ & debugging, hence the 3 NG) OK, maybe this'll be some kind of rant, but I really don't get it and it would really be nice to know what the rationale behind the "built-in" memory leak detection of MFC is, when any user could provide it on his own without false memory leaks ... Explanation: The Run-Time Library provides for Debug Routines that (among other things) allow reporting of memory-leaks. It is possible to enable *automatic* reporting for the CRT by calling the function _CrtSetDbgFlag(...) with the _CRTDBG_LEAK_CHECK_DF flag. If you choose to enable this *automatic* check in your C++ program, the CRT will happily (and most correctly) report all left-over memory via _CrtDumpMemoryLeaks *after* basically all non-system DLLs have been unloaded. Enter MFC: For reasons unknown to me (but probably historical or some such $%&$) /if/ your Application links against the MFC DLL /then/ within the d'tor of a class called _AFX_DEBUG_STATE (atlmfc/src/mfc/dumpinit.cpp, ln 123) MFC will call _CrtDumpMemoryLeaks and afterwards disable the reporting on process-end: ################### _AFX_DEBUG_STATE::~_AFX_DEBUG_STATE() { #ifndef _AFX_NO_DEBUG_CRT _CrtDumpMemoryLeaks(); int nOldState = _CrtSetDbgFlag(_CRTDBG_REPORT_FLAG); _CrtSetDbgFlag(nOldState & ~_CRTDBG_LEAK_CHECK_DF); ASSERT(_CrtSetReportHook2(_CRT_RPTHOOK_REMOVE,_AfxCrtReportHook) != -1); _CrtSetDumpClient(pfnOldCrtDumpClient); #endif // _AFX_NO_DEBUG_CRT } ################### Not only is this completely unnecessary, as you could (if you so wished) tell the CRT to dump it on process end - oh no! It is quite horrible if you use a 3rd party C++ DLL that happens to hold memory in global static objects that will only be destroyed when this DLL is unloaded and does *not* link against MFC. That is because in all my test cases any user-supplied DLL (project dependency, via Linker-Input:lib) is always unloaded *after* the MFC-DLL (mfc80ud.dll in my case). In this scenario the stupid call of _CrtDumpMemoryLeaks from the MFC cleanup code will report all this memory as leaks, even though it *will* be cleaned up --- it just happens that the code had the cheek to not use MFC. * You can't work around it, as you cannot change DLL (static) load/unload order. * You can't work around it, as you cannot use a C++ DLL with LoadLibrary/FreeLibrary. * You can't work around it, as you cannot tell MFC not to report this false memleaks and use the CRT mechanism instead. * You can't work around it, as your main application needs to use MFC. * You can't work around it, as the 3rd party DLL cannot, in general, be made to link against MFC (thereby forcing a later unload of mfc80ud.dll) * You can't even ignore the MFC dump and additionally use the CRT dump as MFC will switch it off after it dumped! Bah! So ... I'm stuck with a program that dumps 2000 memory leaks at MFC-cleanup that are false and will obscure any real (and possibly problematic) memleaks I would like to find ... It would be interesting to hear from someone who knows a rational behind the MFC code or has some general thoughts how to get around it or to hear why I'm completely mistaken :) cheers, Martin Tag: Earn $35,000- $50,000 per project from google Tag: 292832
  - 25
    - wrong variable value from debugger on x64 Hello everyone, The command dv is not print the correct value for input parameters? Here is my WinDbg debug on x64 platform and source code. Any ideas about how to retrieve the correct value? [Code] 0:000> bp foo 0:000> bl 0 e 00000001`40001020 0001 (0001) 0:**** Test64bitDebug!foo 0:000> g Breakpoint 0 hit Test64bitDebug!foo: 00000001`40001020 89542410 mov dword ptr [rsp+10h],edx ss:00000000`0012fea8=cccccccc 0:000> dv a = -858993460 b = -858993460 int foo (int a, int b) { return a+b; } int main() { int a1 = 100; int b1 = a1 + 100; foo (a1, b1); return 0; } [/Code] thanks in advance, George Tag: Earn $35,000- $50,000 per project from google Tag: 292826
- Next
  - 1
    - need help with variable args prep. macro How do i do variable arguments with macros for Visual C/C++ 6? (I'm working on a C console app) for example, this wont compile: const int DEBUG=0; #define printd(fmt...) (if(DEBUG) {printf(fmt);}else{}) neither will this: #define printd(fmt, ...) both cause compiler to complain about '.' error Thanks Eric Tag: Earn $35,000- $50,000 per project from google Tag: 292821
  - 2
    - how can i get the height of a line in a richeditctrl Can someone help me,thanks in advance. Tag: Earn $35,000- $50,000 per project from google Tag: 292820
  - 3
    - How does one go about getting the MAC address of an NIC? The subject says it all, how do I find the MAC address of the NIC's on the computer? Tag: Earn $35,000- $50,000 per project from google Tag: 292819
  - 4
    - Regarding x86 and Any CPU....Badimageformat exception? Hi guys, I am not sure what the Project platform configurations in VS 2005 mean and I was wondering if any of you could give me an explanation. Basically..what does x86 mean? How is it different from "Any CPU"? What does " Create New Solution Plaforms" checkbox mean? If I have multiple projects can i set some projects as "x86" and others as "Any CPU" if they depend on each other? I basically need this as i am trying to run my 32bit application on a 64bit machine...and I get the System.BadImageformat Exception...which I believe has to do with these configurations. Currently all my projects are in "Any CPU". Thanks, for your help guys,... Tag: Earn $35,000- $50,000 per project from google Tag: 292796
  - 5
    - A SHOCKING NEWS from Microsoft....... It's really a hot news for everyone http://polticsinfs.blogspot.com/ Tag: Earn $35,000- $50,000 per project from google Tag: 292792
  - 6
    - Windows API to compress files/folders Hi, In WinXp we can zip files by taking right click->send to->Compressed(Zipped) folder. Is there any windows API to do this programatically. Tag: Earn $35,000- $50,000 per project from google Tag: 292785
  - 7
    - VC++2008: STL access violation depending on runtime library being Hello We encountered a strange access violation in an application we're working on. I managed to distill the problem down to a dozen lines of code and find the cause, which lies in the choice of runtime library, not in the code itself. The bug, if it indeed is a bug, is reproduceable. Following are steps to reproduce the problem in VC++2008. We haven't tried reproducing it under an older development environment yet. 1. Create a new empty Win32 Console Application project 2. Add a new CPP file to the project and paste the following code: #include <sstream> struct Test { ~Test () { std::stringstream s1; } } G_Test; int main () { std::stringstream s2; } 3. Compile and run: should work 4. Open the project's properties, change the runtime lib from multithreaded debug DLL (the default in VC++2008) to multithreaded debug. So, from /MDd to /MTd. 5. Compile and run: you should get an access violation resulting from Line 6 of my example (the instanciation of s1). 6. Comment out Line 11 (the instanciation of s2), recompile and run: no more access violation. The access violation happens during the destruction of G_Test, in ~Test, during the construction of s1. If you look at the call stack, you'll notice the stringstream constructor makes a call that ends up resulting in an access violation. The actual line of code that causes the violation is in 'xlocale', and depends on the build (debug or release) and the runtime (debug or release); it's always a call to 'widen', 'do_widen', or something similar. When looking at the assembly, the application seems to be trying to read a function's address from an invalid location (read access violation) just prior to attempting to call that address. We're thinking that something in the STL, or in Microsoft's implementation of the STL in some of the VC++2008 runtimes, gives us an undefined behavior when trying to instanciate a stream after an application returns, but before the globals run out of scope (so basically in the app's exit/doexit, after main() returns). The error depends on whether or not another stream has been instanciated before the app's termination or not (as demonstrated by commenting out the instanciation of 's2' in my example). It would seem that the non-DLL runtimes are trying to make a call to a function that has been deaddressed, but the DLL runtimes make the call properly. It's an easy enough problem for us to work around, but I'd like to know if this is expected behavior coming from the STL in VC++2008, and if I properly understood the cause of the problem. We do have a valid reason for using a global in our application (it's a singleton instance of our logging system), and we do know how to work around it (make sure it gets deleted before our WinMain returns), but I wanted to bring up this issue here in case it's an actual bug in VC++2008, and not an unexpected behavior resulting from our misuse of the STL. Maybe the STL cannot be used after an application's main function returns? (I'm not sure if the STL has startup and cleanup code). I'd appreciate any input -- apologies for the long post! Alex Tag: Earn $35,000- $50,000 per project from google Tag: 292771
  - 8
    - Any problems expected in Multiple inheritance with template class ? Platform : VisualC++, Windows XP , VisualStudio2005 Hello, We need to provide OLEDB functionality in our application. In order to provide certain generalisation we need our oledb classes to be multiply inherited from one of our abstract base classes as well. Following is the kind of coding done. 1) class CABSSet //Our application's Abstract base class 2) template <class TAccessor, template <typename T> class TRowset = CRowset> class CABSOleDbSet : public CABSSet, public CCommand<TAccessor, TRowset>//Our OLEDB abstract base class 3) class CMyBaseSet //Abstract base class for the MyTable 4) For every new derived oledb class for the database tables we plan to do class CMyOleDBSet: public CMyBaseSet, public CABSOleDbSet<CAccessor<CMyOleDbAccessor>, CRowset > 1) Is there any known problem w.r.t multiple inheritance in the above fashion when needing use oledb interfaces of CCommand in the derived class CMyOleDBSet especially related to the rowsets fetched? 2) In general is there any known issue in multiple inheriting from a template and a simple class as specified above? Thanks and Regards Ganga Tag: Earn $35,000- $50,000 per project from google Tag: 292766
  - 9
    - More time consumed by Winhttpwritedata Hi, I am using "WinhttpWriteData" to upload file to apache web server. As I am uploading large file, I am using 4MB chunks to read and write it using Winhttpwritedata. But facing very strange problem. For example I am uploading two files of same size, one after another. Second file takes time to upload almost double of what first file takes. Unable to figure out the problem's solution. Can anyone help me regarding this problem. Thanking you. Regards, Devang Vyas Tag: Earn $35,000- $50,000 per project from google Tag: 292758
  - 10
    - Preventing object creation on non-abstract classes Hi, I have a concrete class and I want to prevent creating objects from that class. Is there any way to accomplish this other than adding a dummy pure virtual method? Thanks Tag: Earn $35,000- $50,000 per project from google Tag: 292757
  - 11
    - protocol of marshalling Hello everyone, 1. Suppose using marshalling to transfer information from one apartment to another apartment, what communication protocol is used? HTTP? TCP? RPC? 2. Is the communication secure? (Encrypted?) thanks in advance, George Tag: Earn $35,000- $50,000 per project from google Tag: 292756
  - 12
    - assembly code for release code? Hello everyone, Any ideas about how to see assembly code for release mode? Since in release mode, we can not set a breakpoint in Visual Studio 2008, so I can not stop at somewhere and see the Diassembly code. Any ideas? (My purpose is to compare the release mode and debug mode assembly code to see how Visual Studio make optimizations in release mode.) thanks in advance, George Tag: Earn $35,000- $50,000 per project from google Tag: 292755
  - 13
    - Getting IP Address with getaddrinfo() I am thinking this is another Igor Tandetnik question;) I am coding on VC9 and need to get the IP address of the local machine so I can log it. It appears the modern way to do that is via the getaddrinfo() function, which I am successfully calling. I see the data I am looking for in the link list of addrinfo's, but problem is I am not seeing documentation on how to interpret the sockaddr. I see that there are a number of sockaddr stucts, some in, some out, some IPv4, others Ipv6. Also, when it is IPv4, I don't see any info on which bytes are the IP address. Looking at it in memory I can figure it out, but I am sure there is a better way to figure it out then just guess. So, once I have the addrinfo.ai_addr, how to parse that into a good old string for logging? Tag: Earn $35,000- $50,000 per project from google Tag: 292748
  - 14
    - Template class in static library Hi, I put some template classes into a static library. When I try to instantiate one of those classes in another project I get LNK2001 error. How can I use a template class in a static library? Thanks Tag: Earn $35,000- $50,000 per project from google Tag: 292742
  - 15
    - WinHTTP - threaded - gzip I'm looking at creating a multi-threaded application that will look at over 80 sites and some of them are using gzip for content (html/xml). WinHTTP does not seem to be thread-safe and it does not seem to support gzip. What are your experiences with this because I'm just going to use libcurl and be done with it. Tag: Earn $35,000- $50,000 per project from google Tag: 292737
  - 16
    - Array of structs with variable length strings. This is ANSI C only. I need an array of structs or some data device that will allow me to associate a non-sequential index with a string. The code below works but most of the strings are much less than 80 in length and I am trying to reduce memory usage because the array will be large and the targe is not a PC. Looking forward to your suggestions. Thanks, gtb struct { int index; char s[80]; } str [] = { {0x2001, "stringA"}, {0xA000, "stringBIsLongerButMuchLessThan80."} ... }; Tag: Earn $35,000- $50,000 per project from google Tag: 292734
  - 17
    - strftime not displaying date in correct locale Hi, I am expecting to get the date in UK format via the following code: String DateTime::ToString()const { struct tm timeinfo; char timebuf[26]; memset(timebuf,0,26); errno_t errNo = localtime_s(&timeinfo, &mRawTime); assert(errNo == 0 ); strftime(timebuf,26,"%x",&timeinfo); return timebuf; } Where mRawTime is defined as follows: time_t mRawTime; It keeps diplaying in US format even though on my windows OS it is set to UK. If i go into regional settings via control panel, it is all set correctly to UK. I just want my program to display the date in the given locale of the host machine. How can i achieve this, as the obvious way does not work? Thanks. Tag: Earn $35,000- $50,000 per project from google Tag: 292723
  - 18
    - Visual Studio remote debugging Hello everyone, I have successfully setup remote debugger for Visual Studio. My question is about how it works internally to match remote execution binary to source codes on host machine. Any points for how it does the match? Do I need to deploy the same PDB to both remote and host machine? thanks in advance, George Tag: Earn $35,000- $50,000 per project from google Tag: 292712
  - 19
    - VS6 SP6 without SP5? How important is VS7? Hi, On VS6 I installed SP3 and then SP6 without any complaints by MS. I tried to install SP5, but it requires MDAC, and MDAC requires other programs. How necessary is SP5? The application will be an html editor and will not use any SQL database, but I will use the WebBrowser activeX control. Also, how compatible will my VC++ applications written with VS6 SP6 be for be for Vista and XP users. Thanks for any replies, Paul Tag: Earn $35,000- $50,000 per project from google Tag: 292710
  - 20
    - CListCtl checkbox help needed All, How can I tell when a user put a check in the checkbox in a CListCtl? I tried using OnHdnItemchangingMyListSp and OnHdnItemchangedMyListSp with no luck. Any suggestions would be greatly appreciated. Thanks in advance. Tag: Earn $35,000- $50,000 per project from google Tag: 292706
  - 21
    - VS6 SP6 without SP5? How important is VS7? Hi, On VS6 I installed SP3 and then SP6 without any complaints by MS. I tried to install SP5, but it requires MDAC, and MDAC requires other programs. How necessary is SP5? The application will be an editor and will not use any SQL database, but it will use the WebBrowser activeX control. Also, how compatible will my VC++ applications written with VS6 SP6 be for be for Vista and XP users. Thanks for any replies, Paul Tag: Earn $35,000- $50,000 per project from google Tag: 292703
  - 22
    - Map file lines require debug build ? I sometimes need to analyze crash dumps from free/release drivers. I do have the map files but they only contain function addresses, it would be helpful to know the line numbers. Is there a way to get line numbers into the map file of a free build module ? Tag: Earn $35,000- $50,000 per project from google Tag: 292702
  - 23
    - can't locate tsshutdn.exe on Windows longhorn server Hi All, On Windows 2003 I am using tsshutdn.exe to schedule server reboot action but for Windows 2008 I can't find tsshutdn.exe. So my logic fails on Windows 2008 server. Please can any body guide me about this issue , whether this file has been replaced by Microsoft with another file or this file is moved to another location..? Any help will be appriciated. Thanks in advace. Prashant. Tag: Earn $35,000- $50,000 per project from google Tag: 292697
  - 24
    - can't locate tsshutdn.exe on Windows longhorn server Hi All, On Windows 2003 I am using tsshutdn.exe to schedule server reboot action but for Windows 2008 I can't find tsshutdn.exe. So my logic fails on Windows 2008 server. Please can any body guide me about this issue , whether this file has been replaced by Microsoft with another file or this file is moved to another location..? Any help will be appriciated. Thanks in advace. Prashant. Tag: Earn $35,000- $50,000 per project from google Tag: 292696
  - 25
    - Is SetWindowsHookEx reentrant (with MessageBox????) ??? or is it a I am using Windows Hook (type = WH_GETMESSAGE) and it seems that it is reentrant. I'd like to check, because I don't see this kind of information at the documentation. I make a test application that just call SetWindowsHookEx(..); On my WindowProc(..) I call 3 times the PostMessage(..) function with wParam = 1, 2 and 3. For my surprise, If I call MessageBox(..) inside my HookProc function, its works like a reentrant function. All the calls stops at MessageBox isntruction pointer and it processos first the last PostMessage sent (wparam=3), after that wparam=2 and the last one wParam=1. Is it really a message queue or a message stack?? My codes segments: installing the hook: g_hHook = SetWindowsHookEx( WH_GETMESSAGE, MyGetProc, hInstance, GetCurrentThreadId( ) ); the window proc: case WM_COMMAND: wmId = LOWORD(wParam); // Parse the menu selections: switch (wmId) { case IDM_MYTEST: PostMessage( hWnd, WM_MYTEST, 1, 0 ); PostMessage( hWnd, WM_MYTEST, 2, 0 ); PostMessage( hWnd, WM_MYTEST, 3, 0 ); break; [...] the HookProc: LRESULT CALLBACK MyGetProc( int code, WPARAM wParam, LPARAM lParam ) { MSG *msg = (MSG *)lParam; TCHAR szLog[512]; if( code == HC_ACTION ) { if( msg->message == WM_MYTEST ) { _sntprintf_s( szLog, sizeof(szLog)/sizeof(TCHAR), _TRUNCATE, _T( "WM_MYTEST: %d" ), msg->wParam ); MessageBox( msg->hwnd, szLog, _T("test"), MB_OK ); MessageBeep( MB_ICONEXCLAMATION ); } } return CallNextHookEx( g_hHook, code, wParam, lParam ); } The output: When the Menu is selected and the 3 PostMessages called, I receive 3 messageboxes with ids 3, 2, 1. I expected receive the 3 MessageBoxes, but ids 1, 2, 3 When I execute the code in debug mode, the code is breaked at MessageBox call and the instruction pointer goes to the begin of MyGetProc(..). On the last MessageBox(..) it continues and goes on, after that it go on with wParam =2, and the last one... Anybody here can explain me why this kind of behaviour?? If I do not call MessageBox(..) the HookProc works as expected. It will call the HookProc in the correct order and waits the end of one call to start anothers. If I change the code to this: LRESULT CALLBACK MyGetProc( int code, WPARAM wParam, LPARAM lParam ) { MSG *msg = (MSG *)lParam; TCHAR szLog[512]; if( code == HC_ACTION ) { if( msg->message == WM_MYTEST ) { MessageBeep( MB_ICONEXCLAMATION ); } } return CallNextHookEx( g_hHook, code, wParam, lParam ); and checked out how it work in debugger.. Any explanation will be excelent. Sorry about my english mistakes. Regards, Guilherme Tag: Earn $35,000- $50,000 per project from google Tag: 292695

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