dev-cpp-users Mailing List for Dev-C++

Hi Vincent,

semicolon at the end of the "for" it is the only instruction that belongs
to the "for", that is to say, is the only instruction that is executed
within the "for". The instructions that are between { and } form a block,
which is a valid construction in C/C++. so that the instructions between =
{
and } are executed like part of the "for", you must delete the semicolon
at the end of the "for".

 for(i=3D1;i<=3D5;i++)
 {
   theta2 =3D theta2 + 30.0;
   if(theta2 >=3D 90.0);
 }

  what is the intention of this if(theta2 >=3D 90.0); ?
  nothing happend, true or false nothing happend.

 Greetings.

> From: Vincent Ogwuagwu <ovo...@ya...>
> To: dev...@li...
> Subject: [Dev-C++] Looping Problem
>
> Please wrote a program that does a large number of
> calculations within a loop for each value of a real
> number that is used for the loop. However, when I
> compiled and ran the program, it only recognized the
> first value of the loop, while in the actual sense it
> is supposed to calculate for three values of the real
> number. Could someone let me know how to design the
> loop to recognize the other values. The loop is as
> shown below:
>
>
> for(i=3D1;i<=3D5;i++);
>
> {
>
> =93
> =93
> theta2 =3D theta2 + 30.0;
>       if(theta2 >=3D 90.0);
> }
>
> The output (Print) statement is also within the loop.
>
> Thank you.
>
> Vincent.
>
>
> __________________________________________________
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--=20
Carlos Ch=E1vez
AG Software, S.A.
776-8344
267-3007


--=20
Carlos Ch=E1vez
AG Software, S.A.
776-8344
267-3007

Hi Vincent,

semicolon at the end of the "for" it is the only instruction that belongs
to the "for", that is to say, is the only instruction that is executed
within the "for". The instructions that are between { and } form a block,
which is a valid construction in C/C++. so that the instructions between =
{
and } are executed like part of the "for", you must delete the semicolon
at the end of the "for".

 for(i=3D1;i<=3D5;i++)
 {
   theta2 =3D theta2 + 30.0;
   if(theta2 >=3D 90.0);
 }

  what is the intention of this if(theta2 >=3D 90.0); ?
  nothing happend, true or false nothing happend.

 Greetings.

> From: Vincent Ogwuagwu <ovo...@ya...>
> To: dev...@li...
> Subject: [Dev-C++] Looping Problem
>
> Please wrote a program that does a large number of
> calculations within a loop for each value of a real
> number that is used for the loop. However, when I
> compiled and ran the program, it only recognized the
> first value of the loop, while in the actual sense it
> is supposed to calculate for three values of the real
> number. Could someone let me know how to design the
> loop to recognize the other values. The loop is as
> shown below:
>
>
> for(i=3D1;i<=3D5;i++);
>
> {
>
> =93
> =93
> theta2 =3D theta2 + 30.0;
>       if(theta2 >=3D 90.0);
> }
>
> The output (Print) statement is also within the loop.
>
> Thank you.
>
> Vincent.
>
>
> __________________________________________________
> Do you Yahoo!?
> Yahoo! Web Hosting - establish your business online
> http://webhosting.yahoo.com
>


--=20
Carlos Ch=E1vez
AG Software, S.A.
776-8344
267-3007

Thanks Maurice,

I had seen the article before and it is what I want to do.  The author uses GDB
to attach to a process.  Since Dev-C++ is built over GDB it should be able to
do the same thing.  By attaching a running process I can switch back and forth
between java and C++ IDEs.

Does Dev-C++ pass commands to GDB much like a command line?  Or does it call
low level functions directly?  If it is the first one then maybe I could modify
the code to simply pass the "attach <PID>" to GDB.  I don't relish the idea of
building and modifying a large program for such a small change but I might do
it when I had some free time.  If it means learning a large complex interface
than I will just use VC++.

If anyone knows the answer to these questions I would appreciate any info.

Thanks,
Kevin

>
>
> Here is an article on debugging a GNU DLL called from a java program :-
> 
> http://www-106.ibm.com/developerworks/java/library/j-jnidebug/
> 
> 
> You can simply specify you exe in "execute->parameters" menu option in
> Dev-C++ and compile DLL in debug and set a breakpoint
> inside it. Should work ... in theory.
> 
> 
> Maurice
> 
--- Kevin Lahey <kla...@ya...> wrote:
> Hello,
> 
> I want to attach a dll to a running process so I can debug the dll.  Can the
> latest release do this?  My understanding is that the debugger is built over
> GDB which can certainly do it.
> 
> Thank you,
> Kevin
> 
> __________________________________________________
> Do you Yahoo!?
> Yahoo! Web Hosting - establish your business online
> http://webhosting.yahoo.com
> 

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I think it's because you are painting within the WM_PAINT message.

WM_PAINT is triggered when something needs repainting, a window moving, 
screen updates whatever - and if you are drawing within that message you 
trigger another, another etc.

Remember to use BeginPaint and EndPaint function calls to sandwich your 
drawing code.

I hope this helps, I'm a bit rusty with Windows.



>From: "Jorge Abramian" <jab...@ma...>
>Reply-To: <jab...@ma...>
>To: <dev...@li...>
>Subject: [Dev-C++] Resizing windows
>Date: Mon, 17 Mar 2003 06:47:59 -0500
>
>Hi, I am new here and this is my problem:
>
>1) I am developing a simple program to show some formatted data on the 
>screen (ASCII X; Y).
>2) Everything is ok until I resize the screen, then it goes white.
>3) if I trap the WM_PAINT message and set UpdateWindow(), then the screen 
>starts up gray.
>4) I tried to use within WM_PAINT, Beginpaint, Getclientrect, Fillrect, to 
>bring back the whith color of the child window. But it didn't work.
>
>5) the data I need to show is:
>
>if(Number_of_Points!=0)
>             {
>	          for (loop=0; loop<Number_of_Points; loop++)
>	          {
>  		        sprintf (temp,"%6.2f",x[loop]);
>  		        sprintf (temp2,"%6.2f",y[loop]);
>		        TextOut(hdc, 2,line,temp, 6);
>		        TextOut(hdc, 80, line,temp2,6);
>		        paintline+=13;
>  	          }
>             }
>
>
>Any clues? Example codes? tutorials? HELPP!!!!!!!! and then thanks.
>
>je
>
>
>
>
>
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Hi, I am new here and this is my problem:

1) I am developing a simple program to show some formatted data on the screen (ASCII X; Y).
2) Everything is ok until I resize the screen, then it goes white.
3) if I trap the WM_PAINT message and set UpdateWindow(), then the screen starts up gray.
4) I tried to use within WM_PAINT, Beginpaint, Getclientrect, Fillrect, to bring back the whith color of the child window. But it didn't work.

5) the data I need to show is:

if(Number_of_Points!=0)
            {
	          for (loop=0; loop<Number_of_Points; loop++)
	          { 
 		        sprintf (temp,"%6.2f",x[loop]);
 		        sprintf (temp2,"%6.2f",y[loop]);
		        TextOut(hdc, 2,line,temp, 6);
		        TextOut(hdc, 80, line,temp2,6); 
		        paintline+=13;
 	          }
            }


Any clues? Example codes? tutorials? HELPP!!!!!!!! and then thanks.

je

See below

/PWM

On Mon, 17 Mar 2003, Vincent Ogwuagwu wrote:

> Please wrote a program that does a large number of
> calculations within a loop for each value of a real
> number that is used for the loop. However, when I
> compiled and ran the program, it only recognized the
> first value of the loop, while in the actual sense it
> is supposed to calculate for three values of the real
> number. Could someone let me know how to design the
> loop to recognize the other values. The loop is as
> shown below:
>
>
> for(i=3D1;i<=3D5;i++);
Your loop both starts and stops at this single line, because you end it
with the semicolon...

>
> {
>
> =93
> =93
> theta2 =3D theta2 + 30.0;
>       if(theta2 >=3D 90.0);
What use is an if statement without any following action?
Besides, never, never test for equality when working with floating point
numbers. Round-off errors might bite real hard.

if (theta2 > 91.0) do_something();

or

if (theta2 > (90.0 + eps)) do_something();
> }
>
> The output (Print) statement is also within the loop.
>
> Thank you.
>
> Vincent.
>
>
> __________________________________________________
> Do you Yahoo!?
> Yahoo! Web Hosting - establish your business online
> http://webhosting.yahoo.com
>
>
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>

why not just post the error messages and the sections of code they relate 
to?

200kb is a lot for those of us with limited storage space.



>From: "Dany P. Wu" <da...@qu...>
>To: <dev...@li...>
>Subject: [Dev-C++] A question about my first OOP codes
>Date: Mon, 17 Mar 2003 22:33:52 +1200
>
>Hi everyone,
>
>I just got back into my course after being away for a month. I was given
>this silly program to look at and compile at home. It was written in the
>.NET environment but from what I could see it didn't see any reason why
>it wouldn't compile under GNU CPP.
>
>Not knowing the exact etiquette of this list I wasn't going to post the
>200 KB zip file containing the codes. Is it okay if I post that here for
>someone to look at?
>
>Cheers,
>Dany.
>
>
>--
>This mail is a natural product.  The slight variations in
>spelling and grammar enhance its individual character and
>beauty and in no way are to be considered flaws or defects.
>
>
>
>-------------------------------------------------------
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> -----Original Message-----
> From: dev...@li... 
> [mailto:dev...@li...] On Behalf 
> Of anele Ngcobo
> Sent: Monday, March 17, 2003 11:50 AM
> To: dev...@li...
> Subject: [Dev-C++] 'help'
> 
> 
> Hello....
> 
> if youd be do kind as to unsubscribe me,i would highly
> apprecciate that.
> 
> thank you

[ ... ]

> TO UNSUBSCRIBE: http://www.noicys.cjb.net/devcpp/ub.htm



Ioannis Vranos
 
* Programming pages: http://www.noicys.freeurl.com
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Please wrote a program that does a large number of
calculations within a loop for each value of a real
number that is used for the loop. However, when I
compiled and ran the program, it only recognized the
first value of the loop, while in the actual sense it
is supposed to calculate for three values of the real
number. Could someone let me know how to design the
loop to recognize the other values. The loop is as
shown below:


for(i=1;i<=5;i++);

{

“
“
theta2 = theta2 + 30.0;
      if(theta2 >= 90.0);
}

The output (Print) statement is also within the loop.

Thank you.

Vincent.


__________________________________________________
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Yahoo! Web Hosting - establish your business online
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Hi everyone,

I just got back into my course after being away for a month. I was given
this silly program to look at and compile at home. It was written in the
.NET environment but from what I could see it didn't see any reason why
it wouldn't compile under GNU CPP.

Not knowing the exact etiquette of this list I wasn't going to post the
200 KB zip file containing the codes. Is it okay if I post that here for
someone to look at?

Cheers,
Dany.


--
This mail is a natural product.  The slight variations in 
spelling and grammar enhance its individual character and 
beauty and in no way are to be considered flaws or defects.

Hello....

if youd be do kind as to unsubscribe me,i would highly
apprecciate that.

thank you
 
==
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