|
Because the ASCII value of Ctrl-I is 9, which is the Tab character.
Dave Kreskowiak
Microsoft MVP - Visual Basic
|
|
|
|
|
Thanks Dave,
Everyone is a genius at least once a year - Pramod
|
|
|
|
|
I recently released a shareware application, and have protected my software with one-way encryption algorythms that allow me to generate cyptographically secure keys which my registered users enter into their application to unlock it. Everything works fine, and it is more than secure enough for my needs.
However, the keys I generate are quite lengthy... like this:
// BEGIN KEY
0wneCg7KCAfJXofTWk2l8opXv3xfCubmRnE5LdsJW3TP0I9WCILizvw2mN5qnugVsp/guotw5XdR2za7ofP761BhdHJpY2sgV2F5Z2hwd2F1Z2hAY29tY2FzdC5uZXRHYXVnZUdsb3cgVG9vbA==
// END KEY
* Note: don't bother trying to use this one (it won't work)
And what I'd really like is a key that looks more like this:
MVE-452-KJ3-2VE
Anyone point me in the right direction?
Stick
|
|
|
|
|
Well, assuming the keys are equally random along their full length, you could use a pre determined portion of the actual key, such as every third character or something.
Christian Graus - Microsoft MVP - C++
Metal Musings - Rex and my new metal blog
|
|
|
|
|
An interesting idea. Only downside I see with this is that several keys could result in the same key in the end. Although this is probably not that big a deal.
|
|
|
|
|
As soon as you make your key smaller, you make it less unique, there's not much you can do to avoid that.
Christian Graus - Microsoft MVP - C++
Metal Musings - Rex and my new metal blog
|
|
|
|
|
I have created a small Socket server that I wanted to host in a server. I dont know how to host it. Can I host it in a shared hosting or do I need a dedicated hosting. and also what is the hosting requirement. I hjave created the application is .net 2.0
Vikram
|
|
|
|
|
Hi All,
I want to save time from excel file to access database.
excelsheet contain value 3.5 as time,this value I want to store into database datetime field as time.
I don't know it is possible or not.
If anyone know something please share with me.
Thanks,
Nagraj
|
|
|
|
|
Anything is possible.
First, you need to convert that 3.5 into a time such as 3:30, if that is what that means.
Second, save it into a database as a datetime.
Third, your done!
The only way to speed up a Macintosh computer is at 9.8 m/sec/sec.
|
|
|
|
|
Hello,
I have an array of, say 40, elements, and I want all the elements to contain 255 when the array is initialized, is there a way to do it?
(like in C++, we did
int array[40] = {255};
)
- A programmer's national anthem; "AAAAAHHHHH!!!!"
|
|
|
|
|
AFAIK there's no such shortcut, so you have to explicitly assign this value to each element:
int[] array = new int[13];
for (int i = 0; i < array.Length; i++)
array[i] = 255;
"Programming today is a race between software engineers striving to build bigger and better idiot-proof programs, and the Universe trying to produce bigger and better idiots. So far, the Universe is winning." - Rick Cook www.troschuetz.de
|
|
|
|
|
Hi
I'm not sure if I should post here but I'm using C# so I guess it goes here.
Anyways, I'm making a windows application that will access an FTP server over ssl.
I've already enabled SSL on the server and created a certificate.
I've also authenticated this certificate so that the FTP server recognizes it.
I've also added the certificate to my code, and it identifies that the FTPWebRequest request
has added it by the 'request.ClientCertificates.Count'.
Unfortunately, when I run my program, I get this error:
The remote certificate is invalid according to the validation procedure.
Can anyone please help me?:
Here's a snippet of my code:
X509Certificate certificate = new X509Certificate(@"C:\Program Files\Code-Crafters\Ability FTP Server\certs\Sync Testing Certificate.crt");
FtpWebRequest request = (FtpWebRequest)WebRequest.Create(_uploadURI);
request.EnableSsl = true;
request.Method = WebRequestMethods.Ftp.UploadFile;
request.UsePassive = false;
request.Credentials = new NetworkCredential(_username, _password);
request.ClientCertificates.Add(certificate);
Console.WriteLine("Number of Certificates: {0}", request.ClientCertificates.Count);
try
{
StreamReader sourceStream = new StreamReader(_filepath);
byte[] fileContents = Encoding.UTF8.GetBytes(sourceStream.ReadToEnd());
sourceStream.Close();
request.ContentLength = fileContents.Length;
Stream requestStream = request.GetRequestStream();<font color=red>
requestStream.Write(fileContents, 0, fileContents.Length);
requestStream.Close();
FtpWebResponse response = (FtpWebResponse)request.GetResponse();
Console.WriteLine("Upload File Complete, status {0}", response.StatusDescription);
}
catch (WebException e)
{
FtpWebResponse res = (FtpWebResponse)e.Response;
string error = res.StatusDescription;
Console.WriteLine(error.ToString());
}
-- modified at 23:37 Friday 4th August, 2006
Still learning...
|
|
|
|
|
I'm trying to build a stock market game  this game uses the thread too much but the problem is whenever i close the game the game stays in the memory and i can't run again unless i close it manually from the task manager .
Thank you.
Asaad
|
|
|
|
|
I guess you musty mean you are using multiple threads - if so, you need a way to stop those threads when terminating the main program you should either abort those threads, or signal them to stop, and wait for them to reach a thread.join.
A clearer explanation of your problem might help, along with a small sample of the offending code...(read "how to get an answer to your question" at the top).
|
|
|
|
|
Thank you for your reply.
This is the code where i abort the threads
private void Game_Closing(object sender, System.ComponentModel.CancelEventArgs e)
{
try
{
this.tickerThread.Abort();
this.timerThread.Abort();
this.checkPrice.Abort();
}
catch{}
}
but when i close the program it still work in the background . and i must terminate it manully .
should i add some code or what ?
|
|
|
|
|
Are you catching exceptions in your worker threads? If so, how do you handle ThreadAbortException?
A typical pattern might be:
public volatile bool quit;
public void runtickerThread()
{
try
{
while(!quit)
{
DoStuff();
}
}
catch(ThreadAbortException)
{
Thread.ResetAbort;
quit = true;
}
catch(ApplicationException)
{
}
finally
{
}
}
private void Game_Closing(object sender, System.ComponentModel.CancelEventArgs e)
{
try
{
this.quit = true;
this.tickerThread.Abort();
this.tickerTread.Join();
}
catch{}
}
|
|
|
|
|
To the "Code Project" community, I thank you for reading my question.
I am creating a business application (C# windows app) for my parents, and one of my worries is that I need to create some type of method of incrementing the "Order Number" or "Invoice Number" every time a new order is created, regardless if the program is running 24/7 or if the application is closed. ... Basically, I need a method to allow the application to remember what "Order/Invoice Number" it was on and increment it by one every time the application prints a form and saves the number for the next invoice somewhere (either within the program or a clever memory usage, I am not too clever today...).
Right now I am using a disabled and unviewable NumericUpDown control to control the order/invoice number and a label to display it. I think this can work, but I do not know how to have the program automatically save the number and increment it for the next form when it opens up again. I can increment it once, but how to do it every time when a new order is needed?
I hope I am clear...  But please be kind in letting me know if I am not clear or if some type of Dynamic Binding or some advanced feature I don't know about will help me out with this.
Thanks for the help!
- Charles
|
|
|
|
|
How are you storing the orders and invoices? If you are storing them in the database you can easily get the highest number used so far.
Example SQL query:
"select max(OrderNumber) as HighestOrderNumber from Orders"
---
b { font-weight: normal; }
|
|
|
|
|
I'm not worried about the orders themselves for now (I might just use the Print prompt), but I do not know how exactly to store the number... As I read someone else said, I might as well use a database and save the number there... but thanks for the help! I'm going to give this a try. Thanks! 
|
|
|
|
|
By the way... I was wondering if the statement works as it does (except with the given variable names...), and where would I type the code - before I finish developing the oleDbDataProvider (where I develop the table using SQL statements)? I'm storing the invoice number in a MS Access database (that's all I think I need to store at this point)... Is that fine?
I thank you for your continued support.
- Charles
|
|
|
|
|
Is your application connected to a database?
The reason I ask is that using a database will be a lot easier, I would think, than rolling your own, which is the impression I get from what you've written. A database should provide you with an "auto number" which auto increments itself for each new record.
Admittedly, this is an area outside of my expertise, so there's not a lot more I can say. But I would suggest investigating using a database. Heck, if your parents have Access on their computer, you could design a small database for them complete with forms for them to enter order information.
If you want to continue with the C# app and need to keep track of a number, then just save the last invoice number to a file right before the application is closed. When the application is run again, it reads the file and initializes the up/down control.
Anyway, hope some of this helps.
|
|
|
|
|
Is there a more efficient timer than the standard one? I am using on on a 1 second tick, and it's lagging my app badly 
|
|
|
|
|
Depends how you are using it, but it shouldn't cause a noticable lag.
only two letters away from being an asset
|
|
|
|
|
Im using a System.Timers.Timer, which runs when the app loads.
The lag happens on each tick, might it be the code within the tick thats causing the lag rather than the timer? (Its calling a tiny xml feed from a server).
Would the loading of the xml page cause the lag do you think?
|
|
|
|
|
It's definitly not the Timer that's causing the lag. It's got to your Tick code. The lag is probably comming from the time it takes to get the file from the server.
Dave Kreskowiak
Microsoft MVP - Visual Basic
|
|
|
|
General 
News 
Suggestion 
Question 
Bug 
Answer 
Joke 
Praise 
Rant 
Admin 
Submit an article or tip
