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thanks for information.
So what i use?Plz help me
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This[^] is where i found that you should avoid using it, just to show you i didn't make that up. Otherwise, i don't know what else there is, i guess you should ask Microsoft (look around MSDN), or you could try using Oracle Database 10g client[^], i think it is an ODBC "interface" of somesort...
> The problem with computers is that they do what you tell them to do and not what you want them to do. <
> Sometimes you just have to hate coding to do it well. <
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Your database's name is
Database name ?
in such a case, possibly you've to replace
MsmVc wrote: CString udata="use 'databasename'";
with
CString udata="use 'Database name'";
If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler.
-- Alfonso the Wise, 13th Century King of Castile.
This is going on my arrogant assumptions. You may have a superb reason why I'm completely wrong.
-- Iain Clarke
[My articles]
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i always use like this
CString udata="use 'Database name'";
But still i have problem same.
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uhm,
I think: the USE keyword (in t-sql) follow by YourDBName (YourDBName without quote) like this
USE YourBDName
or
USE [YourBDName]
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Thank
But i test both case there is no effect in out put.Still same problem here.
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Did you put USE YourDBName query and select query in same connection session ?
WHEN and WHERE did you use SELECT DB_NAME() AS DataBaseName ?
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See as in first post first i make connection then i use
CString tr="USE tes";
Qry1=spSQLServer->ExecuteWithResults((_bstr_t)tr);
this code.
After that i use
SELECT DB_NAME() AS DataBaseName
If i am wrong then pls help me
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hi,
i want to know that,how to delete a particuler file using a path in vc++
i knew that DeleteFile() ,resolve it...but i have a piece of code ..will show below..can u give me the solution ..
i stored the path in Dir,
Dir = "d:\testapp\abc.exe"
now delete a file:
deletefile(Dir);//if i take path like this then this function will delete it. //("d:\\testapp\\abc.exe")
now i want to delete this file using single slash("\") inside path..
anybody know???
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Hi kamalilam,
kamalilam wrote: now i want to delete this file using single slash("\") inside path..
As per C++ Character Constants[^], \ has special meaning in strings.
So - "d:\\testapp\\abc.exe" is really "d:\testapp\abc.exe".
Best Regards,
Jijo.
_____________________________________________________
http://weseetips.com[ ^] Visual C++ tips and tricks. Updated daily.
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Is there a application that can export Line Drawings, into POINT = {4,5,10,12...} struct arrays.. to be used with API calls like Polyline(...)
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You may use, for instance, a Windows Metafile [^].
If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler.
-- Alfonso the Wise, 13th Century King of Castile.
This is going on my arrogant assumptions. You may have a superb reason why I'm completely wrong.
-- Iain Clarke
[My articles]
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Well i was thinking of more of a drawing tool, or somewhat that could convert it into POINT locations instead? so you could use Polyline, to draw out the item.. Microsoft example uses
POINT aptHexagon[7] = {50,2, 93,25, 93,75, 50,98, 7,75, 7,25, 50,2};
but the Hexagon is way too big, editing it manualy takes alot of time to make it smaller because you would have to recompile to see if lines match up
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I'm hosting Windows Media Player in an application and can't figure out how to detect when a clip is done playing. Unfortunately, the EndOfStream event isn't implemented. I ran across the idea to use the MediaChange event, but I can't see how that's helpful since it's called multiple times and not very accurately.
Does anyone have a working solution?
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To answer my own question, it appears that PlayStateChange event passes a value of 8 when the media is done.
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I'm using mutexes to control access to shared data areas between the primary thread and the secondary threads. Is it possible for a thread to miss a mutex event?
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It seems there is no chance that a mutex's signaled state is undetected by a waiting thread.
MSDN - "When the mutex's state is signaled, one waiting thread is granted ownership, the mutex's state changes to nonsignaled, and the wait function returns. Only one thread can own a mutex at any given time."
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What happens if the waiting thread isn't waiting? It could be in the middle of processing some other mutex event.
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A thread would 'miss' this event, if it is not waiting on the mutex. If it is waiting on the mutex, then the wait function will return, indicating the mutex was acquired (unless something really weird happens, like the mutex was destroyed, in which case too the waiting thread will know what exactly happened).
“Follow your bliss.” – Joseph Campbell
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This is what I was thinking. Therefore, special retry logic would be required to help insure that the buffer getting turned over to the main thread does get processed -sooner or later.
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My question has something to do with C/C++ and Visual Studio. I have an MFC project in VS2005 with lots of .h and .cpp files. The program has problems so I run it in debug mode to try to find out what the problems are. For one situation it showed the following message:
Unhandled exception at 0x00761001 in XPT.exe: 0xC0000005: Access violation reading location 0x00000044.
As I clicked the Break button, VS2005 breaks at a line in a source file in my project. The problem is it is on a line irrelavent to the error. It is on a comment line outside any function. The function following that comment block does not seem to have anything to do with that error.
This happened many times in different situations, breaking on comment lines that give me no clue.
This only happened when breaking happened on a third party source file. In my project, this is the sqlite3.c file from SQLite.
I have done a lot such as deleting all the files that are not critical to the project and relaunching the project. (Files such as .ncb, .suo, user-specific options file, etc)
Any idea how to cure that? Any settings, etc. I am running out of ideas. Thanks!
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You IntelliSense is screwed. Try deleting .ncb and .opt files from your project directory and then you may see the code line which point to your exception code.
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I just did this:
1. Deleted the .ncb file
2. Deleted the .suo file
3. Deleted the folder "DebugUnicode" (this is the folder for my DebugUnicode build of this project which contains all the intermediate files such as .obj files, and the final .exe file for this project.)
4. Deleted the user options file (.user)
After those, the only files I have in the project are
The .sln file
The .rc file
The .vcproj file
The .h files
The .cpp files
and the two files from sqlite.org: sqlite3.h and sqlite3.c
However, after relaunching VS2005 and the project, it still breaks on that comment line!
Any other suggestions? Thanks!
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