C / C++ / MFC Discussion Boards

Re: HELP!! Include files need each other!

Blake Miller12-Apr-06 4:29

12-Apr-06 4:29

Go to the project settings, I think it is under a 'Link' tab, and find a checkbox labeled 'ignore default libraries' or something similar to that, and check it.
Then try your build again.

People that start writing code immediately are programmers (or hackers), people that ask questions first are Software Engineers - Graham Shanks

Re: HELP!! Include files need each other!

Lord Kixdemp13-Apr-06 16:21

Lord Kixdemp

13-Apr-06 16:21

Dang, now I get MORE errors:

server error LNK2001: unresolved external symbol "class SockHnd network" (?network@@3VSockHnd@@A)<br />
server error LNK2019: unresolved external symbol "class SockHnd network" (?network@@3VSockHnd@@A) referenced in function "public: bool __thiscall SockHnd::Start(int,int)" (?Start@SockHnd@@QAE_NHH@Z)<br />
server error LNK2001: unresolved external symbol "class std::basic_ostream<char,struct std::char_traits<char> > std::cout" (?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A)<br />
server error LNK2001: unresolved external symbol "class std::basic_ostream<char,struct std::char_traits<char> > std::cout" (?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A)<br />
server error LNK2019: unresolved external symbol __RTC_CheckEsp referenced in function _SDL_main<br />
server error LNK2019: unresolved external symbol __RTC_CheckEsp referenced in function "public: bool __thiscall SockHnd::Start(int,int)" (?Start@SockHnd@@QAE_NHH@Z)<br />
server error LNK2001: unresolved external symbol __RTC_Shutdown<br />
server error LNK2001: unresolved external symbol __RTC_Shutdown<br />
server error LNK2001: unresolved external symbol __RTC_InitBase<br />
server error LNK2001: unresolved external symbol __RTC_InitBase<br />
server error LNK2019: unresolved external symbol ___CxxFrameHandler referenced in function __ehhandler$?put@?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV12@D@Z<br />
server error LNK2001: unresolved external symbol ___CxxFrameHandler<br />
server error LNK2019: unresolved external symbol @_RTC_CheckStackVars@8 referenced in function __catch$?put@?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV12@D@Z$0<br />
server error LNK2019: unresolved external symbol @_RTC_CheckStackVars@8 referenced in function "public: void __thiscall SockHnd::FindConnections(void)" (?FindConnections@SockHnd@@QAEXXZ)<br />
server error LNK2019: unresolved external symbol __except_list referenced in function "public: class std::basic_ostream<char,struct std::char_traits<char> > & __thiscall std::basic_ostream<char,struct std::char_traits<char> >::put(char)" (?put@?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV12@D@Z)<br />
server error LNK2019: unresolved external symbol __except_list referenced in function "public: void __thiscall SockHnd::FindConnections(void)" (?FindConnections@SockHnd@@QAEXXZ)<br />
server error LNK2019: unresolved external symbol "public: void __thiscall std::ios_base::clear(int,bool)" (?clear@ios_base@std@@QAEXH_N@Z) referenced in function "public: void __thiscall std::basic_ios<char,struct std::char_traits<char> >::clear(int,bool)" (?clear@?$basic_ios@DU?$char_traits@D@std@@@std@@QAEXH_N@Z)<br />
server error LNK2001: unresolved external symbol "public: void __thiscall std::ios_base::clear(int,bool)" (?clear@ios_base@std@@QAEXH_N@Z)<br />
server error LNK2019: unresolved external symbol "bool __cdecl std::uncaught_exception(void)" (?uncaught_exception@std@@YA_NXZ) referenced in function "public: __thiscall std::basic_ostream<char,struct std::char_traits<char> >::sentry::~sentry(void)" (??1sentry@?$basic_ostream@DU?$char_traits@D@std@@@std@@QAE@XZ)<br />
server error LNK2019: unresolved external symbol "bool __cdecl std::uncaught_exception(void)" (?uncaught_exception@std@@YA_NXZ) referenced in function __catch$??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV01@J@Z$0<br />
server error LNK2019: unresolved external symbol _strlen referenced in function "public: static unsigned int __cdecl std::char_traits<char>::length(char const *)" (?length@?$char_traits@D@std@@SAIPBD@Z)<br />
server error LNK2001: unresolved external symbol _strlen<br />
server error LNK2019: unresolved external symbol "void * __cdecl operator new[](unsigned int)" (??_U@YAPAXI@Z) referenced in function "public: bool __thiscall SockHnd::Start(int,int)" (?Start@SockHnd@@QAE_NHH@Z)<br />
server error LNK2019: unresolved external symbol __RTC_UninitUse referenced in function "public: int __thiscall SockHnd::UserThread(struct Player)" (?UserThread@SockHnd@@QAEHUPlayer@@@Z)<br />
server error LNK2019: unresolved external symbol _free referenced in function "void __cdecl std::_DebugHeapDelete<class std::locale::facet>(class std::locale::facet *)" (??$_DebugHeapDelete@Vfacet@locale@std@@@std@@YAXPAVfacet@locale@0@@Z)<br />
server error LNK2001: unresolved external symbol "public: __thiscall exception::exception(class exception const &)" (??0exception@@QAE@ABV0@@Z)<br />
server error LNK2001: unresolved external symbol "public: __thiscall bad_cast::bad_cast(class bad_cast const &)" (??0bad_cast@@QAE@ABV0@@Z)<br />
server error LNK2001: unresolved external symbol "const type_info::`vftable'" (??_7type_info@@6B@)<br />
server error LNK2001: unresolved external symbol "public: virtual __thiscall bad_cast::~bad_cast(void)" (??1bad_cast@@UAE@XZ)<br />
server error LNK2019: unresolved external symbol "public: void __thiscall std::locale::facet::_Register(void)" (?_Register@facet@locale@std@@QAEXXZ) referenced in function "class std::num_put<char,class std::ostreambuf_iterator<char,struct std::char_traits<char> > > const & __cdecl std::use_facet<class std::num_put<char,class std::ostreambuf_iterator<char,struct std::char_traits<char> > > >(class std::locale const &)" (??$use_facet@V?$num_put@DV?$ostreambuf_iterator@DU?$char_traits@D@std@@@std@@@std@@@std@@YAABV?$num_put@DV?$ostreambuf_iterator@DU?$char_traits@D@std@@@std@@@0@ABVlocale@0@@Z)<br />
server error LNK2019: unresolved external symbol "public: __thiscall bad_cast::bad_cast(char const *)" (??0bad_cast@@QAE@PBD@Z) referenced in function "class std::num_put<char,class std::ostreambuf_iterator<char,struct std::char_traits<char> > > const & __cdecl std::use_facet<class std::num_put<char,class std::ostreambuf_iterator<char,struct std::char_traits<char> > > >(class std::locale const &)" (??$use_facet@V?$num_put@DV?$ostreambuf_iterator@DU?$char_traits@D@std@@@std@@@std@@@std@@YAABV?$num_put@DV?$ostreambuf_iterator@DU?$char_traits@D@std@@@std@@@0@ABVlocale@0@@Z)<br />
server error LNK2019: unresolved external symbol "public: class std::locale::facet const * __thiscall std::locale::_Getfacet(unsigned int)const " (?_Getfacet@locale@std@@QBEPBVfacet@12@I@Z) referenced in function "class std::num_put<char,class std::ostreambuf_iterator<char,struct std::char_traits<char> > > const & __cdecl std::use_facet<class std::num_put<char,class std::ostreambuf_iterator<char,struct std::char_traits<char> > > >(class std::locale const &)" (??$use_facet@V?$num_put@DV?$ostreambuf_iterator@DU?$char_traits@D@std@@@std@@@std@@@std@@YAABV?$num_put@DV?$ostreambuf_iterator@DU?$char_traits@D@std@@@std@@@0@ABVlocale@0@@Z)<br />
server error LNK2019: unresolved external symbol __CxxThrowException@8 referenced in function "class std::num_put<char,class std::ostreambuf_iterator<char,struct std::char_traits<char> > > const & __cdecl std::use_facet<class std::num_put<char,class std::ostreambuf_iterator<char,struct std::char_traits<char> > > >(class std::locale const &)" (??$use_facet@V?$num_put@DV?$ostreambuf_iterator@DU?$char_traits@D@std@@@std@@@std@@@std@@YAABV?$num_put@DV?$ostreambuf_iterator@DU?$char_traits@D@std@@@std@@@0@ABVlocale@0@@Z)<br />
server error LNK2001: unresolved external symbol "private: static int std::locale::id::_Id_cnt" (?_Id_cnt@id@locale@std@@0HA)<br />
server error LNK2019: unresolved external symbol "void __cdecl operator delete(void *,struct std::_DebugHeapTag_t const &,char *,int)" (??3@YAXPAXABU_DebugHeapTag_t@std@@PADH@Z) referenced in function __unwindfunclet$?_Getcat@?$num_put@DV?$ostreambuf_iterator@DU?$char_traits@D@std@@@std@@@std@@SAIPAPBVfacet@locale@2@@Z$0<br />
server error LNK2019: unresolved external symbol "void * __cdecl operator new(unsigned int,struct std::_DebugHeapTag_t const &,char *,int)" (??2@YAPAXIABU_DebugHeapTag_t@std@@PADH@Z) referenced in function "public: static unsigned int __cdecl std::num_put<char,class std::ostreambuf_iterator<char,struct std::char_traits<char> > >::_Getcat(class std::locale::facet const * *)" (?_Getcat@?$num_put@DV?$ostreambuf_iterator@DU?$char_traits@D@std@@@std@@@std@@SAIPAPBVfacet@locale@2@@Z)<br />
server error LNK2001: unresolved external symbol "struct std::_DebugHeapTag_t const std::_DebugHeapTag" (?_DebugHeapTag@std@@3U_DebugHeapTag_t@1@B)<br />
server error LNK2019: unresolved external symbol "public: __thiscall std::_Locinfo::~_Locinfo(void)" (??1_Locinfo@std@@QAE@XZ) referenced in function "public: __thiscall std::num_put<char,class std::ostreambuf_iterator<char,struct std::char_traits<char> > >::num_put<char,class std::ostreambuf_iterator<char,struct std::char_traits<char> > >(unsigned int)" (??0?$num_put@DV?$ostreambuf_iterator@DU?$char_traits@D@std@@@std@@@std@@QAE@I@Z)<br />
server error LNK2019: unresolved external symbol "public: __thiscall std::_Locinfo::_Locinfo(char const *)" (??0_Locinfo@std@@QAE@PBD@Z) referenced in function "public: __thiscall std::num_put<char,class std::ostreambuf_iterator<char,struct std::char_traits<char> > >::num_put<char,class std::ostreambuf_iterator<char,struct std::char_traits<char> > >(unsigned int)" (??0?$num_put@DV?$ostreambuf_iterator@DU?$char_traits@D@std@@@std@@@std@@QAE@I@Z)<br />
server error LNK2019: unresolved external symbol "void __cdecl operator delete(void *)" (??3@YAXPAX@Z) referenced in function "public: virtual void * __thiscall std::locale::facet::`scalar deleting destructor'(unsigned int)" (??_Gfacet@locale@std@@UAEPAXI@Z)<br />
server error LNK2019: unresolved external symbol _memcpy referenced in function "public: static char * __cdecl std::char_traits<char>::copy(char *,char const *,unsigned int)" (?copy@?$char_traits@D@std@@SAPADPADPBDI@Z)<br />
server error LNK2019: unresolved external symbol _sprintf referenced in function "protected: virtual class std::ostreambuf_iterator<char,struct std::char_traits<char> > __thiscall std::num_put<char,class std::ostreambuf_iterator<char,struct std::char_traits<char> > >::do_put(class std::ostreambuf_iterator<char,struct std::char_traits<char> >,class std::ios_base &,char,long)const " (?do_put@?$num_put@DV?$ostreambuf_iterator@DU?$char_traits@D@std@@@std@@@std@@MBE?AV?$ostreambuf_iterator@DU?$char_traits@D@std@@@2@V32@AAVios_base@2@DJ@Z)<br />
server error LNK2001: unresolved external symbol __fltused<br />
server error LNK2019: unresolved external symbol "public: void __thiscall std::_String_base::_Xran(void)const " (?_Xran@_String_base@std@@QBEXXZ) referenced in function "public: class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > & __thiscall std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> >::assign(class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &,unsigned int,unsigned int)" (?assign@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAEAAV12@ABV12@II@Z)<br />
server error LNK2019: unresolved external symbol _memmove referenced in function "public: static char * __cdecl std::char_traits<char>::move(char *,char const *,unsigned int)" (?move@?$char_traits@D@std@@SAPADPADPBDI@Z)<br />
server error LNK2019: unresolved external symbol "public: void __thiscall std::_String_base::_Xlen(void)const " (?_Xlen@_String_base@std@@QBEXXZ) referenced in function "protected: bool __thiscall std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> >::_Grow(unsigned int,bool)" (?_Grow@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@IAE_NI_N@Z)<br />
server error LNK2019: unresolved external symbol _strcspn referenced in function "private: class std::ostreambuf_iterator<char,struct std::char_traits<char> > __cdecl std::num_put<char,class std::ostreambuf_iterator<char,struct std::char_traits<char> > >::_Fput(class std::ostreambuf_iterator<char,struct std::char_traits<char> >,class std::ios_base &,char,char const *,unsigned int,unsigned int,unsigned int,unsigned int)const " (?_Fput@?$num_put@DV?$ostreambuf_iterator@DU?$char_traits@D@std@@@std@@@std@@ABA?AV?$ostreambuf_iterator@DU?$char_traits@D@std@@@2@V32@AAVios_base@2@DPBDIIII@Z)<br />
server error LNK2019: unresolved external symbol _memchr referenced in function "private: class std::ostreambuf_iterator<char,struct std::char_traits<char> > __cdecl std::num_put<char,class std::ostreambuf_iterator<char,struct std::char_traits<char> > >::_Fput(class std::ostreambuf_iterator<char,struct std::char_traits<char> >,class std::ios_base &,char,char const *,unsigned int,unsigned int,unsigned int,unsigned int)const " (?_Fput@?$num_put@DV?$ostreambuf_iterator@DU?$char_traits@D@std@@@std@@@std@@ABA?AV?$ostreambuf_iterator@DU?$char_traits@D@std@@@2@V32@AAVios_base@2@DPBDIIII@Z)<br />
server error LNK2019: unresolved external symbol _localeconv referenced in function "private: class std::ostreambuf_iterator<char,struct std::char_traits<char> > __cdecl std::num_put<char,class std::ostreambuf_iterator<char,struct std::char_traits<char> > >::_Fput(class std::ostreambuf_iterator<char,struct std::char_traits<char> >,class std::ios_base &,char,char const *,unsigned int,unsigned int,unsigned int,unsigned int)const " (?_Fput@?$num_put@DV?$ostreambuf_iterator@DU?$char_traits@D@std@@@std@@@std@@ABA?AV?$ostreambuf_iterator@DU?$char_traits@D@std@@@2@V32@AAVios_base@2@DPBDIIII@Z)<br />
server error LNK2019: unresolved external symbol _memset referenced in function "public: static char * __cdecl std::char_traits<char>::assign(char *,unsigned int,char)" (?assign@?$char_traits@D@std@@SAPADPADID@Z)<br />
server error LNK2019: unresolved external symbol "void * __cdecl operator new(unsigned int)" (??2@YAPAXI@Z) referenced in function "char * __cdecl std::_Allocate<char>(unsigned int,char *)" (??$_Allocate@D@std@@YAPADIPAD@Z)<br />
server error LNK2019: unresolved external symbol __Getcvt referenced in function "public: struct _Cvtvec __thiscall std::_Locinfo::_Getcvt(void)const " (?_Getcvt@_Locinfo@std@@QBE?AU_Cvtvec@@XZ)<br />
server error LNK2019: unresolved external symbol "void * __cdecl operator new[](unsigned int,struct std::_DebugHeapTag_t const &,char *,int)" (??_U@YAPAXIABU_DebugHeapTag_t@std@@PADH@Z) referenced in function "char * __cdecl std::_Maklocstr<char>(char const *,char *,struct _Cvtvec const &)" (??$_Maklocstr@D@std@@YAPADPBDPADABU_Cvtvec@@@Z)<br />
server error LNK2001: unresolved external symbol _WinMainCRTStartup<br />
server fatal error LNK1120: 43 unresolved externals

Why is that? Thanks! Wink | ;-)

PS: Sorry for long msg... Blush | :O

Lord Kixdemp
www.SulfurMidis.com
www.SulfurSoft.tk
[ftp://][http://][hotline://]tsfc.ath.cx

-- modified at 22:21 Thursday 13th April, 2006

type conversions

arr.cpp6-Apr-06 11:20

arr.cpp

6-Apr-06 11:20

how to convert from numeric types (such as double, int, long,...) to char[]?
(i want to show the number in a window, so i need to convert it to char)

Re: type conversions

Lord Kixdemp6-Apr-06 13:04

Lord Kixdemp

6-Apr-06 13:04

http://www.cplusplus.com/ref/cstdlib/[^] Wink | ;-)

Lord Kixdemp
www.SulfurMidis.com
www.SulfurSoft.tk
[ftp://][http://][hotline://]tsfc.ath.cx

Re: type conversions

Waldermort6-Apr-06 18:57

Waldermort

6-Apr-06 18:57

Try using some of the numeric conversion functions, for example itoa(), ltoa().

Re: type conversions

normanS6-Apr-06 19:26

normanS

6-Apr-06 19:26

Or you could use the sprintf() function. That's good for getting secific formatting.

Re: type conversions

Hamid_RT6-Apr-06 19:40

Hamid_RT

6-Apr-06 19:40

Hi arr2arr1arr,
maybe it is some helpful to you

http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vclib/html/_crt_data_conversion.asp[^]

Re: type conversions

toxcct6-Apr-06 21:48

toxcct

6-Apr-06 21:48

union {
    double d;
    char[8] c;
} d2c;

Re: type conversions

abbiyr7-Apr-06 5:09

abbiyr

7-Apr-06 5:09

Hi there.

While sprintf works, it is really a C solution. I just wanted to show you a C++ solution for creating a string to display by using streams.

<br />
#include <sstream><br />
<br />
// your numerical data <br />
double num1 = 3.143;<br />
<br />
// an output stream<br />
std::ostringstream outStream;<br />
std::string        outString;<br />
<br />
outStream << "Value of double is : " << num1;<br />
<br />
// if you want a standard c++ string from the stream<br />
outString = outStream.str();<br />
<br />
// VC++ stuff.  Lets write the string to a label (need to create a System::String)<br />
label1->Text = gcnew String(outStream.str().c_str());<br />

Using the ostringstream, you will not have to worry about the size of your char array, or have a ptr to char and do any memory allocation/cleanup. All done for you.

Cheers

screen size

arr.cpp6-Apr-06 10:40

arr.cpp

6-Apr-06 10:40

How could i get the size (height and width) of the screen by calling a windows API function?

Thanks!

Re: screen size

David Crow6-Apr-06 10:44

David Crow

6-Apr-06 10:44

How about GetSystemMetrics(), or GetDeviceCaps()?

"Let us be thankful for the fools. But for them the rest of us could not succeed." - Mark Twain

"There is no death, only a change of worlds." - Native American Proverb

Re: screen size

arr.cpp6-Apr-06 10:56

arr.cpp

6-Apr-06 10:56

Thanks!!

Re: screen size

Graham Bradshaw6-Apr-06 13:02

Graham Bradshaw

6-Apr-06 13:02

If you want to take account of the taskbar, use SystemParametersInfo with SPI_GETWORKAREA. Bear in mind that on a multi-monitor system, each monitor can have a different resolution.

Writing stream in MS Word document

saima azeemi6-Apr-06 10:19

saima azeemi

6-Apr-06 10:19

Hi i want to take data from user through textbox or rich editbox and write it into the Microsoft Word file and the other thing is that the data written in file shud be colored and bold.
can anybody help me out

thanx

Saima Javaid

Re: Writing stream in MS Word document

Sheng Jiang 蒋晟6-Apr-06 16:08

Sheng Jiang 蒋晟

6-Apr-06 16:08

you can insert a temp rtf file by using the Range.InsertFile Method.
see also
http://support.microsoft.com/kb/q194906/[^]
http://word.mvps.org/FAQs/MacrosVBA/GetRngToEndOfInsertFile.htm[^]

Regards

Microsoft MVP in Visual C++

http://blog.joycode.com/jiangsheng

Internet/Network Programming

CNewbie6-Apr-06 10:16

CNewbie

6-Apr-06 10:16

I have been putting it off for a month now because i couldnt find a real good place to start studying for this. So i figured I would ask you all here if you recommend some nice places or books to read to work with Internet programming using Windows Sockets or (if you think it is better) any other socket programming.

obviously if at all possible I'd like to study Windows sockets 2, but 1.1 is ok I guess. Remember before you say go read MSDN I am really new to Internet/Network Programming, so something that will guide me is truly the most helpful.

Thanks

Re: Internet/Network Programming

David Crow6-Apr-06 10:46

David Crow

6-Apr-06 10:46

CNewbie wrote:
Remember before you say go read MSDN I am really new to Internet/Network Programming, so something that will guide me is truly the most helpful.

What does being new have to do with (not) reading MSDN? In addition to that, I would suggest Googling for specific topics, and perusing this section of CP.

"Let us be thankful for the fools. But for them the rest of us could not succeed." - Mark Twain

"There is no death, only a change of worlds." - Native American Proverb

Re: Internet/Network Programming

valikac6-Apr-06 11:19

valikac

6-Apr-06 11:19

Learn winsock programming via books. I highly recommend Network Programming for Microsoft Windows Second Edition by Anthony Jones and Jim Ohmund.

Check out my website for software development links.

http://www.dslextreme.com/users/kuphryn/links.html[^]

Kuphryn

Re: Internet/Network Programming

Lord Kixdemp6-Apr-06 13:12

Lord Kixdemp

6-Apr-06 13:12

I don't know if this'll help, but I recommend using SDL_net as the network library... It's cross-platform! Big Grin | :-D

http://www.libsdl.org/projects/SDL_net/[^]

Lord Kixdemp
www.SulfurMidis.com
www.SulfurSoft.tk
[ftp://][http://][hotline://]tsfc.ath.cx

Re: Key code question

EvScott6-Apr-06 9:57

EvScott

6-Apr-06 9:57

Thanks Waldermort for your contribution. I wish to capture keys from the keyboard using system-wide windows hooks. I'm not using MFC but Visual Studio's WIN32 Application and DLL. I don't know how to capture keys such as * . + @ # % & etc. How can I do this?
I'm using the following:
if (((keyvalue>=0x41) && (keyvalue<=0x5A)) || (key==VK_SPACE))
to capture keys a..z and the spc key.
Thanks
Ev Scott

EvScott

Re: Key code question

Waldermort6-Apr-06 10:20

Waldermort

6-Apr-06 10:20

you would have to trap and test the value of your WM_CHAR message. You would normally do this in your message loop and send the chars to your winproc.

Re: Key code question

EvScott6-Apr-06 14:18

EvScott

6-Apr-06 14:18

Sorry, but how would I do this?

EvScott

Who can i Know that my Application Supports Doc/View Architecture?

CodeVarma6-Apr-06 9:10

CodeVarma

6-Apr-06 9:10

Who can i Know that my Application Supports Doc/View Architecture? using which function call ?
Pls help me Sir Big Grin | :-D

Fly Like An Eagle With MIGHTY POWER.

Re: Who can i Know that my Application Supports Doc/View Architecture?

Maximilien6-Apr-06 9:16

Maximilien

6-Apr-06 9:16

if you have the source code, just look at it, otherwise, I'm not certain from an external point of view that it possible ?

Maximilien Lincourt
Your Head A Splode - Strong Bad

Question about typecast

Netvisdom6-Apr-06 8:32

Netvisdom

6-Apr-06 8:32

I am working on some project and can't overcome some errors. I can't understand how typecast is done in C++/C. What if we convert smaller type to bigger - how is it done? And bigger to smaller? Do we just truncate the data to biggest one or... what?
I would be grateful if you could explain that to me.

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