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Comparing file contents is slow, so you only want to do it when you have to. You can go through the drives and build a hash table of files and their sizes. Different sizes mean no duplicates.
For the files that have the same size, the next step is to look at contents (I'm assuming you also want to detect duplicate contents stored under different names, or with different times.) You could store check sums with the files, as Luc suggested, but check sums could be wrong for similar files. They can be used for avoiding comparing file contents: If the check sums are different, the files are different. But if they're the same, you have to look at the contents for confirmation.
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| i have a digital persona reader on my laptop and i wanted to test for finger print reading integration in my custom application. how can i do this? Wamuti: Any man can be an island, but islands to need water around them!
Edmund Burke: No one could make a greater mistake than he who did nothing because he could do only a little.
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You might need to contact the hardware manufacturer for some documentation. There are samples available on the internet if you do a search, but they may not work with your fingerprint reader drivers.Me, I'm dishonest. And a dishonest man you can always trust to be dishonest.
Honestly. It's the honest ones you want to watch out for...
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i intend to use the speech library but the poblem is i didn't manage to include this library in my project (using SpeechLib didn't work)
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Please post your code.
We don't know what library you are using, what error message you are getting (assuming it's not just responding at all).Antoine de Saint-Exupery: Perfection is achieved, not when there is nothing more to add, but when there is nothing left to take away.
modified on Sunday, February 14, 2010 4:30 PM
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what i want to do is to create a voicespeech that will "say" a message that i have already written.. so what i'm doing is that i'm including "using SpeechLib;" and then when i want to choose "SpVoice" method it won't show up .. so i couldn't use it.. that's the problem
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OK, lets try the obvious stuff first:
1. Have you added the Assembly to the project (as per the first picture on the answer here http://social.msdn.microsoft.com/Forums/en/vbpowerpacks/thread/87c15a18-dd30-4ebd-9775-3777c3225168[^]
2. Sometimes [often] the intellisense on Visual Studio goes wrong. Have you tried restarting.
If you've tried 1 & 2 you'll need to post some code so we can see what might have happened.Antoine de Saint-Exupery: Perfection is achieved, not when there is nothing more to add, but when there is nothing left to take away.
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Hello guys ..... I have developed my own POS System using C# which supports POS Printer and Normal printers ... But this days in our country the Government came with a new POS Printer which is called BNC Printer. I think what makes this printer different from others is that it has a network connection with the government which sends every transaction to their Database. But my POS System is not unable to print using this printer. Even the Printer doesn't have a driver ... So any body who has an idea on how to work on this Printer, Please help me??? ... Other wise my System will be out of use a little bit latter ... Please help me .. Thank you.
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CoderForEver wrote: the Government came with a new POS Printer
CoderForEver wrote: the Printer doesn't have a driver
So noboby can use the printer till the government fixes the problem!?
 Luc Pattyn [Forum Guidelines] [Why QA sucks] [My Articles]
I only read code that is properly formatted, adding PRE tags is the easiest way to obtain that. All Toronto weekends should be extremely wet until we get it automated in regular forums, not just QA.
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There are some software companies whose POS System works on this new printer!!! ... So there must be some dll file or a code which helps to print !!! any clue??
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sure, just look at how they do it. Maybe the printer works with an existing driver. Maybe there is a driver you don't know about. And maybe there is sufficient documentation and some company did create a driver, so you can go and negotiate with them.
Whatever it is, enforcing the use of a specific printer and not providing a solution to the driver situation makes no sense.
Luc Pattyn [Forum Guidelines] [Why QA sucks] [My Articles]
I only read code that is properly formatted, adding PRE tags is the easiest way to obtain that. All Toronto weekends should be extremely wet until we get it automated in regular forums, not just QA.
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Luc Pattyn wrote: Whatever it is, enforcing the use of a specific printer and not providing a solution to the driver situation makes no sense.
For us. But for the gouverment everythink makes sence. We just can't rise to their level
of imbecillity 
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Since this is a business , no body is not willing to give what they got!!! It is like find the dll file from some where else then write a code by your self..... @ least if we got any file,documentation or dll file .. I will probalby do the rest of work my self ... But do u think that I cant get any documentation online??
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CoderForEver wrote: But do u think that I cant get any documentation online??
Did you try searching?txtspeak is the realm of 9 year old children, not developers. Christian Graus
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Of course i was searching ... But got noting ....
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CoderForEver wrote: Of course i was searching ... But got noting ....
And what does that tell you?txtspeak is the realm of 9 year old children, not developers. Christian Graus
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CoderForEver wrote: do u think that I cant get any documentation online?
How could I possibly know, you did not even mention the manufacturer nor exact model?
 Luc Pattyn [Forum Guidelines] [Why QA sucks] [My Articles]
I only read code that is properly formatted, adding PRE tags is the easiest way to obtain that. All Toronto weekends should be extremely wet until we get it automated in regular forums, not just QA.
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U must b kidding ... am tlking abt a printer
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and how is this printer connected?
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until now wat i've in mind is zat .... it is a cash register printer by its self ... so zat u can work on it alone with out using computer ... but we wanted 2 use z cash register's printer .... until now wat i heard is that it has no driver ... but there are other companies who wrote the code .... so if u have any clue please helpp me .. thnx
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That sounds like an interesting challenge ...
Question: This device is a cash register, as seen very often in shops?
If so, some of them have a RS232 interface for communication (loading PLU´s, sales info ...) and also a communication software (I had to deals with such a device 15 years ago, so my knowledge is definitly NOT on the state of the art) for transferring data to/from the device.
If not, I have no more ideas.
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what u r saying is right .... am talking about transfering data from/to the cash register .... but z printer has no driver ... but if i got the interface ... can i transfer my datas????
thnx a lot
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| Hi. Is it possible to have a windows application running without having to be installed first? i want to make a keygen that generates keys on different client machines and it beats ligoc to install it first. Please assist, i have a deployment tommorrow. Wamuti: Any man can be an island, but islands to need water around them!
Edmund Burke: No one could make a greater mistake than he who did nothing because he could do only a little.
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Hi,
AFAIK a lot of applications can work on each PC without an explicit installation. I do it all the time.
It depends on the EXE's dependencies; if you don't need external DLL files (other than the ones you may ship with the EXE and put in the same folder), if you don't need a .NET Framework (or are absolutely sure it is already present), then copying a folder is all that is required. You may need to take care of folder access rights, but that is about it.
Luc Pattyn [Forum Guidelines] [Why QA sucks] [My Articles]
I only read code that is properly formatted, adding PRE tags is the easiest way to obtain that. All Toronto weekends should be extremely wet until we get it automated in regular forums, not just QA.
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