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We have to provide our client with a utility inside our application , which allow him to open a form in design mode , Move / Hide / Undide Fields on it, Change captions and etc. So basicaly we need a Form Editor.
We are using Visual Basic.Net.
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please send me discussion and sample code on bread-first search algorithm in C language. i read some of it but i find it hard to understand. please....
Life Rocks!
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i haav a problem as a beginner in implementing a breadth first search in a graph. hope u can help! can i ask a sample program of this search algorithm particularly in C language? i only started 2 involve to this things actually am not a programmer but i have an interest...god speed..
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I have an old project that I worked on long ago. It's in rather bad shape (the coding isn't exactly stellar...). It's a software app that calculates radiation dose in tissue. It's got an image (.bmp) loading routine and a bunch of classes to do the dose calculations, grid interpolation, etc... and a bunch of other stuff.
Wondering if it's worth releasing as an article somehow. Actually, I suppose it would be less of an article as just the release of a sample large project... 
John Theal
Physicist at Large
Got CAD?
http://www.presenter3d.com[^]
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I would be great to see some articles on how to build IM capabilities into .NET apps, including support for all the major IM networks. I have done quite a bit of research and not found very much.
For a simple intro to the basics read http://www.informit.com/content/articlex.asp?product_id={FD50EC19-E10B-4742-B887-8F7C1F3FBFF5}&element_id={640B0A68-1DCD-4D26-AB7C-DCD7A685B1F4}&st={D06674E4-4033-4F5E-85D4-5D32A6FD7B71}
For a ready-to-roll but expensive solution visit http://www.winfessor.com/portal/DesktopDefault.aspx?tabid=28
If anyone has any ideas or pointers please post them.
Richard Cleaver
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I would love to see the code for a Browser Helper Object / IE Plugin, written in C# that lists each of the files that is downloaded each time you visit a page in Internet Explorer. It would tell you how large each file is (css, js, gif, jpeg, html), and when the file download started and when the download ended, and if the file was cached.
Anyone want to work on this?
Thanks.
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I've written a tutorial on installing dot-net to client machines. Several people asked me for it in the past. I think we already have one here in Code Project, think I came across one but not sure... Anyone? Should I submit it to Code Project?
Norman Fung
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Norman Fung wrote:
I think we already have one here in Code Project
Just search it here... if u feel yours is a different one... post that...
I was born intelligent
Education ruined me!.
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can someone tell me how do i read inputs from a text file?
(im still a beginner in VC++,iv pored through a number of books but none has enlightened me.. )
the input is made of a hexadecimal number on each line, till the end of the file. the hex numbers represent an 8-bit number.
how do i convert the hex number to binary instead, upon reading it?
im aware that each character will be read in ASCII (correct me if im wrong)and stored into an array before the programmer can convert it to hex instead. but i dont know how the coding is like.
if im not mistaken, each input will be placed in a [1x8] array (or matrix). how do i change it into an [8x1] array instead, with the bit-0 placed as the first element of the new [8x1] array?
many thanx..
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Before the screaming horde descends to flame you for using the wrong forum, I'll recommend that you repost your question in the C++ Forum.
In the meantime, check MSDN[^] for definitive information about using VC++. Specifically, check this article[^] about using the ifstream object and its member functions to access text files.
I'm something of a beginner to the language myself, so there may be an easy way to do it I haven't learned yet. But my impression is that, unlike every one of the dozen or more other languages I've used, C++ makes every effort to make reading a simple line of text as miserable and difficult as possible. Best of luck!
Heard in Bullhead City - "You haven't lost your girl -
you've just lost your turn..." [sigh] So true...
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I have to finish my final project "Grid computing" in 3 month. But I don't know where to start and what I have to do  I'm really a newbie in this domaine. Who can help me? Please give me an advice, or just an idea
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What is grid computing? Programming using a grid?
Grtz, Guus
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is grid computing another name for cluster computing?
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for more infor about grid computing, click here www.globus.org
But I don't know where to start 
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They seem to use the idle time of computers on the internet to simulate complex designs and calculate large things. Sounds complex to me, but I am curious how to do such a thing 
So if you find more on the subject and you're willing to share the info here.. Could be a verrrry good article.
"Every rule in a world of bits and bytes can be bend or eventually be broken"
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Hi
Im a Final year student ( doing my bachelors in ComputerScience ).
I need ideas for deciding my final yr proj.
The proj shuld be :
o A Web-based application ( probably in ASP .NET )
o dealing with DataBases
o + your suggestions
o should have some market value
We r a grp of 4 students.
Plz help me.
Thanx in advance.
Bye.
raheela
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Here's an idea - a university Communication/portal system.
Some ideas:
->Access to timetables and lecture notes to students and lecturers (lecturers can update lecture notes)
->Private Messaging, which says when a message has been read
->Lecturers can post messages to a student, group of students or a class or a year (shown like news on students front page)
->Student Union Activities
->Recommended texts and reviews of texts, from both students and lecturers (grouped by module)
->Library catalogue and reservations
Theres probably more you could do, it's also marketable to universities, and possibly even other institutions.
Good luck
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Sounds good...
I was born intelligent
Education ruined me!.
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All,
I've been unable to find a decent article on exception management strategies. I'd like to know what everyone thinks of this idea (this way, if the idea sucks, only a few people ridicule me.  )
Basically, I'm looking for a strategy that meets the following requirements:
Goals
1. Provides an Intelligible message to the user that
a) Explains the problem
b) Provides a list of possible explanations
c) Suggests steps to remedy the issue
d) Can be told what actions are allowable in the wake of an error (continue, quit, retry)
2. Is fully configurable via XML
3. Doesn't clutter your code
4. Provides backward compatibility so if a component developed with this strategy is used by an application that does not use it, the new author does not have to handle things differently.
5. Information must be preserved as the exception is passed up the stack. (more on this later)
High level design considerations
1. My thinking is that exception handling does not need to be very fast, it is more important to be very accurate.
2. Display should be performed at the highest level (usually the display level, but not necessarily), and never anywhere lower. (Displaying an error in a utility function ties the backend code to a display technology and method, reducing it's ability to be reused. It also means that the same error may result in multiple messages to the user).
Tentative Implementation Plan
Currently I'm planning to create an exception factory, and XML files for each assembly. The user might throw an exception thusly:
try<br />
something that breaks<br />
catch ex as exception<br />
throw ExceptionFactory.createException(me, ex, args)<br />
end try
The factory first would check a config file to see if it should use this new exception handling mechanism, or just the built-in .net error handling. If regular handling, then it simply returns the original exception. If enhanced error handling is used, then the factory would use reflection to determine where the exception originated (the 'me' object). Then it will hit that assembly's associated XML file to find the info on this error. In this way, the code can be used for any project w/out change. It also means that the XML file could be used as an appendix of sorts. Finally, storing this info in the XML file means that it doesn't have to be in your source code. The args may be used to pass extra information. For example, if it's a file not found error, it would be helpful to know what the path is of the file that didn't exist is. All of this info is stored in a custom exception class.
When the exception is formed and thrown, it will proceed up the stack. If there is another intermediate function, the factory method is again invoked. However the factory will check to see if it is of the same type as our custom exception. If so, information can be added to the messages, and possible actions can be reduced as necessary.
This brings me to a more detailed explanation on #5. My concern is that creating an error message way down in some utility function may not make any sense at all to a user because they may not understand why that utility function was even called. (Half the time I don't even understand!) Further, a utility function is probably so technical, that no possible error message would make sense anyway. If you're performing an autosave that fails, you want to tell the user that the autosave failed, not that the filestream could not be opened... So basically, care must be taken so that information is ADDED as the exception passes up the chain to get a message like this:
-------------------------------------------------------------------------
Page copy failed <-- GUI level
because <-- added automatically
the data could not be obtained <-- next level down
because <-- added automatically
deserialization failed because <-- added by the function that threw
the file can not be found the exception in the first place
If the file: {0} exists on a network share, please check your connection to the network and try again. If the file is gone, then the data has been lost. You may either continue without this info, or quit.
<<retry>> <<continue>> <<quit>>
--------------------------------------------------------------------------
What I'm looking for is:
1. What do you think of my requirements?
2. Is this the best strategy to go with?
3. Any other general suggestions?
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I was thinking of submitting an article about advanced software protection. The article I saw a long time ago about software protectiong that was entited "Software Protection 2.0" did not include many of the techniques I wanted to discuss.
The article would get into some of the methods that anti-cracking software encryptors/protectors/packers use to protect other applications like shareware ect. I was wondering if this would be an ok type of a post u know it would be getting into lots of the assembly code protectors, and revealing some of there secrets such as protectors like Aspack, HASP, ect use to detect debuggers, confuse disassemblers, stop applications like ProcDump, WinDiasm ect. I was wondering if you thought it would be a good idea or not?
- LiquidKnight
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I was thinking of including my PE File Encryptor I wrote in masm32 :p
- LiquidKnight
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