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You can look at the filename extensions and make assumptions about the content. For example, .exe , .obj and .dll files are expected to contain binary data, and .txt , .ini and .bat are expected to contain text. However, nothing is guaranteed as anyone can create a file with any extension but put their own content inside it. You can examine the content for leading text identifiers (see my tip[^] for further information), CR/LF sequences etc, but again, there is no guarantee that the complete file content will be in the format you assume.
Programming is work, it isn't finger painting. Luc Pattyn
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Thank you I'll look at it
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If you only want to check the filename extension, you can use the _findfirst and _findnext functions or the FindFirstFile and FindNextFile APIs.
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My machine is 64 bit. I have installed visual studio 2005, which by default installed in Program Files(x86). When i start visual studio I am not getting the option of win64 in the configuration manager. Please help me how can I get the option, do I need to reinstall it. I installed it 2 times but still the win64 option not coming. Please help. Thanks Sujan
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Hi,
Did you actually install the 64 bit compiler? I am fairly certain that VS2005 does not install the 64 bit compiler in the 'default' installation. You will need to manually choose the 64 bit compiler during the installation.
Best Wishes,
-David Delaune
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Randor is right. VS2005 does not install the 64-bit C++ compiler by default.
So reinstall VS and this time select custom install and check on the 64-bit compiler in components listed.
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you can add x64 support with a 'repair' or 'modify' (forget what they call it these days). no need to install from scratch.
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except for the Express versions AFAIK, they don't offer any choice and always build for "AnyCPU" (unless you start hacking the project files).
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Hello!
I am woring on an MFC app that previews a html page... it works with CHtmlView which uses Internet Explorer.
Is there a way I could preview using FireFox or any installed browsers? Some sort of ActiveX control...
I would like to stay within the app... and trap events (like form submission and ajax)
Any pointers welcome!
Jerry
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Oh you good man! Thank you!
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Hi!
When I'm running a program, it crashes into the "dbgdel.cpp" file, at hte following line:
<pre lang="c++">_ASSERTE(_BLOCK_TYPE_IS_VALID(pHead->nBlockUse));</pre>
The Call stack contains the following:
winRTSimpleApp.exe!operator delete(void * pUserData=0x01ae5064) Line 52 + 0x51 bytes C++
winRTSimpleApp.exe!Entity::`scalar deleting destructor'() + 0x3c bytes C++
winRTSimpleApp.exe!Entity::OnDelete(VariantList * pVList=0x06ac0af0) Line 156 + 0x2b bytes C++
winRTSimpleApp.exe!boost::_mfi::mf1<void,Entity,VariantList *>::operator()(Entity * p=0x01ae5064, VariantList * a1=0x06ac0af0) Line 162 + 0x10 bytes C++
winRTSimpleApp.exe!boost::_bi::list2<boost::_bi::value<Entity *>,boost::arg<1> >::operator()<boost::_mfi::mf1<void,Entity,VariantList *>,boost::_bi::list1<VariantList * &> >(boost::_bi::type<void> __formal={...}, boost::_mfi::mf1<void,Entity,VariantList *> & f={...}, boost::_bi::list1<VariantList * &> & a={...}, boost::_bi::type<void> __formal={...}) Line 293 C++
winRTSimpleApp.exe!boost::_bi::bind_t<void,boost::_mfi::mf1<void,Entity,VariantList *>,boost::_bi::list2<boost::_bi::value<Entity *>,boost::arg<1> > >::operator()<VariantList *>(VariantList * & a1=0x06ac0af0) Line 33 C++
winRTSimpleApp.exe!boost::detail::function::void_function_obj_invoker1<boost::_bi::bind_t<void,boost::_mfi::mf1<void,Entity,VariantList *>,boost::_bi::list2<boost::_bi::value<Entity *>,boost::arg<1> > >,void,VariantList *>::invoke(boost::detail::function::function_buffer & function_obj_ptr={...}, VariantList * a0=0x06ac0af0) Line 153 C++
winRTSimpleApp.exe!boost::function1<void,VariantList *>::operator()(VariantList * a0=0x06ac0af0) Line 989 + 0x17 bytes C++
winRTSimpleApp.exe!boost::signals::detail::call_bound1<void>::caller<VariantList *,boost::function<void __cdecl(VariantList *)> >::operator()<boost::signals::detail::connection_slot_pair>(const boost::signals::detail::connection_slot_pair & slot={...}) Line 120 C++
winRTSimpleApp.exe!boost::signals::detail::slot_call_iterator<boost::signals::detail::call_bound1<void>::caller<VariantList *,boost::function<void __cdecl(VariantList *)> >,boost::signals::detail::named_slot_map_iterator>::dereference() Line 61 + 0x1b bytes C++
winRTSimpleApp.exe!boost::iterator_core_access::dereference<boost::signals::detail::slot_call_iterator<boost::signals::detail::call_bound1<void>::caller<VariantList *,boost::function<void __cdecl(VariantList *)> >,boost::signals::detail::named_slot_map_iterator> >(const boost::signals::detail::slot_call_iterator<boost::signals::detail::call_bound1<void>::caller<VariantList *,boost::function<void __cdecl(VariantList *)> >,boost::signals::detail::named_slot_map_iterator> & f={...}) Line 517 C++
winRTSimpleApp.exe!boost::iterator_facade<boost::signals::detail::slot_call_iterator<boost::signals::detail::call_bound1<void>::caller<VariantList *,boost::function<void __cdecl(VariantList *)> >,boost::signals::detail::named_slot_map_iterator>,boost::signals::detail::unusable,boost::single_pass_traversal_tag,boost::signals::detail::unusable const &,int>::operator*() Line 634 + 0xe bytes C++
winRTSimpleApp.exe!boost::detail::postfix_increment_proxy<boost::signals::detail::slot_call_iterator<boost::signals::detail::call_bound1<void>::caller<VariantList *,boost::function<void __cdecl(VariantList *)> >,boost::signals::detail::named_slot_map_iterator> >::postfix_increment_proxy<boost::signals::detail::slot_call_iterator<boost::signals::detail::call_bound1<void>::caller<VariantList *,boost::function<void __cdecl(VariantList *)> >,boost::signals::detail::named_slot_map_iterator> >(const boost::signals::detail::slot_call_iterator<boost::signals::detail::call_bound1<void>::caller<VariantList *,boost::function<void __cdecl(VariantList *)> >,boost::signals::detail::named_slot_map_iterator> & x={...}) Line 145 + 0x2b bytes C++
winRTSimpleApp.exe!boost::operator++<boost::signals::detail::slot_call_iterator<boost::signals::detail::call_bound1<void>::caller<VariantList *,boost::function<void __cdecl(VariantList *)> >,boost::signals::detail::named_slot_map_iterator>,boost::signals::detail::unusable,boost::single_pass_traversal_tag,boost::signals::detail::unusable const &,int>(boost::iterator_facade<boost::signals::detail::slot_call_iterator<boost::signals::detail::call_bound1<void>::caller<VariantList *,boost::function<void __cdecl(VariantList *)> >,boost::signals::detail::named_slot_map_iterator>,boost::signals::detail::unusable,boost::single_pass_traversal_tag,boost::signals::detail::unusable const &,int> & i={...}, int __formal=0) Line 734 C++
winRTSimpleApp.exe!boost::last_value<void>::operator()<boost::signals::detail::slot_call_iterator<boost::signals::detail::call_bound1<void>::caller<VariantList *,boost::function<void __cdecl(VariantList *)> >,boost::signals::detail::named_slot_map_iterator> >(boost::signals::detail::slot_call_iterator<boost::signals::detail::call_bound1<void>::caller<VariantList *,boost::function<void __cdecl(VariantList *)> >,boost::signals::detail::named_slot_map_iterator> first={...}, boost::signals::detail::slot_call_iterator<boost::signals::detail::call_bound1<void>::caller<VariantList *,boost::function<void __cdecl(VariantList *)> >,boost::signals::detail::named_slot_map_iterator> last={...}) Line 49 + 0x12 bytes C++
winRTSimpleApp.exe!boost::signal1<void,VariantList *,boost::last_value<void>,int,std::less<int>,boost::function<void __cdecl(VariantList *)> >::operator()(VariantList * a1=0x06ac0af0) Line 354 + 0xbb bytes C++
winRTSimpleApp.exe!MessageManager::Deliver(Message * m=0x06ac0a78) Line 253 C++
winRTSimpleApp.exe!MessageManager::Update() Line 286 C++
winRTSimpleApp.exe!BaseApp::Update() Line 181 C++
winRTSimpleApp.exe!App::Update() Line 235 C++
winRTSimpleApp.exe!WinMain(HINSTANCE__ * hInstance=0x00400000, HINSTANCE__ * hPrevInstance=0x00000000, char * lpCmdLine=0x002837c5, int nCmdShow=1) Line 1019 + 0x20 bytes C++
winRTSimpleApp.exe!__tmainCRTStartup() Line 263 + 0x2c bytes C
winRTSimpleApp.exe!WinMainCRTStartup() Line 182 C
kernel32.dll!7506ed6c()
[Frames below may be incorrect and/or missing, no symbols loaded for kernel32.dll]
ntdll.dll!76f9377b()
ntdll.dll!76f9374e()
How to solve this Exception?
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By debugging the program, setting a break-point on this line and examining the var pHead->nBlockUse
Failing that, it's hard to say without seeing some actual code. Though from your stack trace it's happening during the action of delete, which has been called from a destructor.
Oh, & I see the editor munched all of your angle brackets too.
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The assertion is about pHead->nBlockUse being an invalid Block. May be it's null?
Did you check the values of pHead & nBlockUse.
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Or it's been deleted already...
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In my function, Im assignning one Global CString to varaible declared in header file.But it shows unhandled exception error.
My code
CString sReceiceStr = _T("");
void CChatServerDlg::AddMsg( userinfo *udata, CString sIP)
{
sReceiceStr.Format("%s : %s : %s : %s : %s",udata->cSessionID ,udata->cTraineeName, udata->cPassword, udata->cClientServerMsg, udata->cInsName);
sTempassign = sReceiceStr;
It shows error in the above line. It shows error in CStringData GetData() function
Kindly help me.
Anu
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Runtime exception or compile error?
You could try to use the _T macro for the format string - _T("%s : %s : %s : %s : %s")
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Run Time error only.
But when i cahnge the calling method og AddMsg,no error is coming.
May be it smy mistake.Now its working.
Anu
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have you check the string formation of variable after string.format ? try using watch
"Opinions are neither right nor wrong. I cannot change your opinion. I can, however, change what influences your opinion." - David Crow Never mind - my own stupidity is the source of every "problem" - Mixture
cheers,
Alok Gupta
VC Forum Q&A :- I/ IV
Support CRY- Child Relief and You
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Is udata non-NULL ? Have you stepped into Format() to see what throws the exception?
"One man's wage rise is another man's price increase." - Harold Wilson
"Fireproof doesn't mean the fire will never come. It means when the fire comes that you will be able to withstand it." - Michael Simmons
"Show me a community that obeys the Ten Commandments and I'll show you a less crowded prison system." - Anonymous
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cann't ?
the method?
just like xaml in wp7
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XAML is XML.
If you want to do it without using XAML and WPF, then you will need to write a lot of code to translate XML contents into UI elements.
My advice is not to try it because it will become overwhelming.
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