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A quick visit with Mr Debug would have shown the OP as well! 
Bad command or file name. Bad, bad command! Sit! Stay! Staaaay...
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I changed this loop for (prog.u = 1; prog.u < 6; prog.u++) to for (prog.u = 0; prog.u < 5; prog.u++) now I have this error: imageshack.com/a/img923/8677/WIBoHG.png
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And the message is telling you exactly what is wrong.
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And what error is that?
It's less work for you to copy and paste the actual text, than to post a screen shot on a dodgy image site that I'm not planning on visiting...
Bad command or file name. Bad, bad command! Sit! Stay! Staaaay...
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Error is: Attempted to divide by zero.
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Well, the error message pretty much explains itself.
Mathematics does not allow you to divide by zero, so you should probably make sure your application doesn't try to do that, wouldn't you say?
The fun bit is finding out why your application is trying at all. And - again - that's where you and Mr Debugger get to be good friends, because he's the one that tells you how the divisor came to be zero: which is pretty much essential to preventing it in future.
Seriously, get used to the debugger - it's a powerful, flexible tool that most developers spend a considerable amount of time with. It's a lot more fun - and a lot quicker - to find the information than it is to ask here. Especially as most of the time we have to say "use the debugger to get information" anyway!
Bad command or file name. Bad, bad command! Sit! Stay! Staaaay...
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When I changed all loops to start from 0 to n-1,those that start with other number than 0 I set to start from value reduced by 1 to n-1 I still get error: Index was outside the bounds of the array
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And? What did the debugger show you?
Bad command or file name. Bad, bad command! Sit! Stay! Staaaay...
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I fixed that error but when I start program and input target value and values I get wrong expression.
When I type 100 for target number and numbers 5,8,9,4,20,50 for making expression I get:
5150-(' + w + ')+5355+5150
Instead of:
(6-1)*4*5
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At the risk of repeating myself:
Quote: And? What did the debugger show you?
Bad command or file name. Bad, bad command! Sit! Stay! Staaaay...
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OK. Sit down and listen up.
Your'e trying to get everyone here to debug your code for you. That's not going to happen.
The debugger is there to debug YOU, to give you a tool to understands how your code works, what it's really doing, to increase your understanding.
USE IT.
The problem with the code you have is that you didn't write it and have no idea how it's supposed to work. This is where the debugger is an indispensable tool, to better your understanding of how the code works.
We can't do that for you.
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The amount of time and effort he's putting into avoiding work ... 
Bad command or file name. Bad, bad command! Sit! Stay! Staaaay...
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OriginalGriff wrote: visit with Mr Debug would have shown the OP
Why bother when you can be a help vampire?
Speed of sound - 1100 ft/sec
Speed of light - 186,000 mi/sec
Speed of stupid - instantaneous.
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Maybe we need a special badge for 'em
Bad command or file name. Bad, bad command! Sit! Stay! Staaaay...
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OriginalGriff wrote: special badge
Good idea....Bob with vampire fangs.
Speed of sound - 1100 ft/sec
Speed of light - 186,000 mi/sec
Speed of stupid - instantaneous.
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Couldn't find a vampire; will this do?
🦇
🦇 Bat Emoji[^]
"These people looked deep within my soul and assigned me a number based on the order in which I joined."
- Homer
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if (!uzet[l]) s--; -----Index was outside the bounds of the array--------
This error message tells you that your code try to access an element rgat do not exist in the array uzet because uzet us too small.
With the debugger, check the size of uzet.
Patrice
“Everything should be made as simple as possible, but no simpler.” Albert Einstein
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ppolymorphe wrote: rgat
Missed by that much
Never underestimate the power of human stupidity
RAH
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Hi, does someone know how to gain exclusive control of a human interface device input stream in c#? I have a keyboard and a magnetic stripe card reader and I don't want the card reader to write outside of my application and the keyboard to write inside.
Thanks
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Neither of these devices write anywhere. Applications that need input data can read from them. And it is up to the user of the system to decide which input device he/she wishes to read from.
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Ok, but if I open a text editor and the card reader sends its output to windows whith a text editor focused, it writes also in the text editor.
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No it does not. The text editor reads from the input stream or device and receives whatever data is available from that device. The actual transfer of the data is handled by Windows responding to a device signalling that it has data available.
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So is this magnetic card reader pretending to be a keyboard? I know barcode scanners etc. sometimes do.
If so, I think it'll be difficult as pretty much any application accepts keyboard input. There probably is a way to discern between the two, but I don't know how.
As an alternative, is there a driver which hooks it up to a virtual COM port or something?
Regards,
Rob Philpott.
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how to randomly the Question from Databse Without repetion
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By using one of the Random methods.
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