Convert the string to ASCII(HEX) - C# Discussion Boards

Programm3r15-Apr-08 4:10

15-Apr-08 4:10

Thanks for the response Luc, well I'm rewriting a application into C# from C++ .... so that is the only reason I was asking.

Thanks again

Regards,

The only programmers that are better that C programmers are those who code in 1's and 0's Green Alien | [Alien]

Programm3r
My Blog: ^_^

Re: Is this correct

papadimitriou15-Apr-08 4:19

papadimitriou

15-Apr-08 4:19

the structs are value types and classes are reference types.

f(yf) = yf

Re: struct array in C#

leppie15-Apr-08 4:23

leppie

15-Apr-08 4:23

You are looking for FixedBufferAttribute[^]

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Broadcasting Issue

Shouvik Das15-Apr-08 2:31

Shouvik Das

15-Apr-08 2:31

Hi,

We, in our office use a remote Matlab License server running FlexLM license manager. Since we have very few floating licenses we end up asking to release the license from the fellow engineers many times a day.This creates confusion as we are not knowing who is actually using the license.
To automate this I plan to make a simple application wherein I'll monitor the connection to that particular matlab server and see which user has actually hooked up a license if a socket to that server:port becomes alive. Then I would start broadcasting to the rest of the users that this user is using the License.
This can be achieved my making a service that would feed a frontend application with the broadcast details which would let people actually know who is using the license. It is a simple License viewer.
Since I don't have administrative access to the license server (it is organization wide server) so I just can monitor connections from my system or from a group of users who actually install the service I am planning to make.

My only concern now is since I am to use broadcast mode for letting others know I have hooked up a license I would be in trouble with network bandwidth.

Does anybody have a better architecture to prevent the broadcast and use some other tricky method.

There are only two kinds of people who are really fascinating-people who know absolutely everything, and people who know absolutely nothing.
Oscar Wilde (1854-1900)
Regards...
Shouvik

Re: Broadcasting Issue

Dave Kreskowiak15-Apr-08 4:21

Dave Kreskowiak

15-Apr-08 4:21

Just curious. What's the cost of a couple new licenses versus the cost of you developing this application and supporting it for the same amount of time as you'll use the licenses??

You'd have to have some kind of central server that each client application would have to connect to. This server would probably keep track of the license use and notify the clients directly instead of broadcasting. So that's TWO applications you have to write, not one.

A guide to posting questions on CodeProject[^]

Dave Kreskowiak
Microsoft MVP
Visual Developer - Visual Basic
2006, 2007, 2008

Re: Broadcasting Issue

Shouvik Das15-Apr-08 4:27

Shouvik Das

15-Apr-08 4:27

Well just to answer your First Question 4 Floating licenses of Matlab with only Simulink and Stateflow costs you around 8,200,000 INR which is equivalent to 206,861.4 US$. Hence a small application would be always better than procuring few more license.

Moreover getting approval for license and all needs a huge cycle time, against which developing an application would always be better

There are only two kinds of people who are really fascinating-people who know absolutely everything, and people who know absolutely nothing.
Oscar Wilde (1854-1900)
Regards...
Shouvik

Re: Broadcasting Issue

leppie15-Apr-08 6:09

leppie

15-Apr-08 6:09

Shouvik Das wrote:
equivalent to 206,861.4 US$

Matlab programmers must be cheap then Poke tongue | ;-P

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Convert the string to ASCII(HEX)

merh15-Apr-08 2:21

merh

15-Apr-08 2:21

Hi,
I need help how I can convert the string below to ASCII(HEX)
for (int i = 0; i<=5; i++)
{
int counter = 0x0 + i;
string destinationAdress += (char)s[counter];
...
}

Thanks in advaced
merh

Re: Convert the string to ASCII(HEX)

Luc Pattyn15-Apr-08 4:06

Luc Pattyn

15-Apr-08 4:06

merh wrote:
for (int i = 0; i<=5; i++)
{
int counter = 0x0 + i;
string destinationAdress += (char)s[counter];
...
}

What is all this?

0x0 is exactly the same as 0
o+i is exactly the same as i
you did not tell what s is
if s is a string, then s[counter] is a char and does not need a (char) cast
if s is an array of ints (just a guess), then you want some conversion from int to char. do you?

I think you better explain a bit more what it is you are after.

Smile | :)

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Re: Convert the string to ASCII(HEX)

merh15-Apr-08 21:17

merh

15-Apr-08 21:17

thanks I have found the solution. Explanation "s" is a byte array and 0x0 is the first element

int counter = 0x0 + i;
string Number = s[counter].ToString();
int number = int.Parse(Number);
destinationAdress += number.ToString("x2");

Re: Convert the string to ASCII(HEX)

Luc Pattyn16-Apr-08 0:23

Luc Pattyn

16-Apr-08 0:23

Hi,

your code has too many ToString/Parse calls. To convert a byte to an int, you don't need
these!

byte[] s = ...;
string destinationAdress = "";
for (int i = 0; i<6; i++) {
    byte b = s[i];
    destinationAdress += b.ToString("x2");
}

Luc Pattyn [Forum Guidelines] [My Articles]

Copy Process Console to clipboard

dwrst15-Apr-08 2:01

dwrst

15-Apr-08 2:01

hello,

im running process from my gui in C#, its console application and id like to copy its output in seconds interval into clipboard. how can i send keys to that process to do something like i do manual (click on console menu - Edit - Select all - press ENTER). im trying this way because for specific reason RedirectStandardOutput and using stream doesnt work like it should (its copying just 80 characters width from console).

thank you

Re: Copy Process Console to clipboard

J a a n s15-Apr-08 3:02

J a a n s

15-Apr-08 3:02

Hope the following links help you...

Launching a process and displaying its standard output[^]

*jaans

Re: Copy Process Console to clipboard

dwrst15-Apr-08 7:46

dwrst

15-Apr-08 7:46

thank you but thats what i was trying long time but it just didnt work well with my application.

Re: Copy Process Console to clipboard

Luc Pattyn15-Apr-08 4:09

Luc Pattyn

15-Apr-08 4:09

we meet again!
did you ever try with ProcessStartInfo.CreateNoWindow=true?

Smile | :)

Luc Pattyn [Forum Guidelines] [My Articles]

Re: Copy Process Console to clipboard

dwrst15-Apr-08 7:45

dwrst

15-Apr-08 7:45

hello mr. yeah i tried all combinations of that process.startinfo but wasnt successful and i was speaking to one guy that also had this problem and he didnt find solution cause its probably some problem with cygwin applications. so im trying this way. do you know how i could copy it from console? Smile | :)

Re: Copy Process Console to clipboard

Luc Pattyn15-Apr-08 11:03

Luc Pattyn

15-Apr-08 11:03

dwrst wrote:
do you know how i could copy it from console?

No. The only thing I ever did programmatically to a Console is set font colors.

Smile | :)

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Trial version of a Software [modified]

LAYEEQ AHMED KHAN15-Apr-08 1:41

LAYEEQ AHMED KHAN

15-Apr-08 1:41

Hi,
I have one doubt,i have developed one software and now iam going to sell it.before selling that package i want to give a trial version to the customer (for 2 weeks) and after that period that software should expire.how can i do it.

Please any one help me regarding in this matter by giving a piece of code or by giving the hint how to solve this problem

Thanks to All

Confused | :confused:

Thanks

modified on Saturday, April 19, 2008 3:34 AM

Re: Trial version of a Software

Christian Graus15-Apr-08 1:58

Christian Graus

15-Apr-08 1:58

You have to come up with a method to do this. If there was one method that everyone used, we'd all know how to defeat it, too. And, of course, anyone can decompile your app, remove your code and recompile it, anyhow.

One thing I will tell you is, don't rely on the date the app was first installed, the file system seems to mess with that, I've had trouble trying to use it in the past.

Christian Graus

Please read this if you don't understand the answer I've given you

"also I don't think "TranslateOneToTwoBillion OneHundredAndFortySevenMillion FourHundredAndEightyThreeThousand SixHundredAndFortySeven()" is a very good choice for a function name" - SpacixOne ( offering help to someone who really needed it ) ( spaces added for the benefit of people running at < 1280x1024 )

Re: Trial version of a Software

papadimitriou15-Apr-08 4:32

papadimitriou

15-Apr-08 4:32

dont forget to use obsfucator (from v studio tools menu ) to protect code from disassembling

f(yf) = yf

[Message Deleted]

pyde15-Apr-08 1:21

pyde

15-Apr-08 1:21

[Message Deleted]

Re: problem with a modalPopUpExtender

Christian Graus15-Apr-08 1:22

Christian Graus

15-Apr-08 1:22

pyde wrote:
default.aspx

So, you meant to ask in the ASP.NET forum then ?

Read binary files with Progressbar

Ian Uy15-Apr-08 1:18

Ian Uy

15-Apr-08 1:18

Good Day,

When I want to read a file as byte[] in the past, I always use this code:

byte[] Bytes = File.ReadAllBytes(FilePath);

The problem with the above code is it consumes too much memory (I think Laugh | :laugh:

) and I can't inform the user of the progress of the file reading.

Is there a better way of reading binary files in such a way that I can get the progress of the reading?

Thanks! Smile | :)

Re: Read binary files with Progressbar

Christian Graus15-Apr-08 1:20

Christian Graus

15-Apr-08 1:20

Ian Uy wrote:
The problem with the above code is it consumes too much memory

Only if your file is huge

Ian Uy wrote:
I can't inform the user of the progress of the file reading.

True

Ian Uy wrote:
such a way that I can get the progress of the reading?

Do it the old way, open the file, create a byte array and read a section at a time, but you'll need to do it on a thread or use Application.DoEvents for your UI to update during the process.

Re: Read binary files with Progressbar

Ian Uy15-Apr-08 1:26

Ian Uy

15-Apr-08 1:26

Thanks for the reply Mr. Graus.

Christian Graus wrote:
Only if your file is huge

I usually read 500mb to 1gb of data.

Christian Graus wrote:
Do it the old way, open the file, create a byte array and read a section at a time, but you'll need to do it on a thread or use Application.DoEvents for your UI to update during the process.

Yes, I'll be using a Background Worker for this.

But can please point me to an article on how do it the "old way" using buffers, loops and stuff.

Thank you. Smile | :)

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