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

Need more here.  Explain a little more of what you are trying to do and what 
you did to this point.
Verne


> when i try to open a new project, there aren't any options available in the 
> basic file, although the multimedia and others have options. how come?
>
>
>
>
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when i try to open a new project, there aren't any options available in the 
basic file, although the multimedia and others have options. how come?

I believe that if somebody had, they would have answered by now.

-----Original Message-----
From: dev...@li...
[mailto:dev...@li...]On Behalf Of Guillermo
Gutierrez
Sent: Monday, May 02, 2005 8:48 AM
To: dev...@li...
Subject: RE: [Dev-C++] SHFILEOPSTRUCT - WIN32 API


Has anyone ever used this WIN32 Shell API struct?
-----Original Message-----
From: dev...@li...
[mailto:dev...@li...]On Behalf Of Guillermo
Gutierrez
Sent: Friday, April 29, 2005 4:53 AM
To: dev...@li...
Subject: [Dev-C++] SHFILEOPSTRUCT - WIN32 API


Has anyone ever used the Shell object struct SHFILEOPSTRUCT for any shell
operations (copy, delete, move) for files in windows?
I am having trouble getting it to work with copying multiple files that are
named individually instead of just using a wild card (*.*) to select all
files.
I would really appreciate any help and suggestions incase anyone has done
something similar through another method? 
Guillermo Gutierrez 
Market Scan Information Systems 
Software Q.A. Supervisor 
(818) 575-2000 x2427 
ggu...@ma... 
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Has anyone ever used this WIN32 Shell API struct?

-----Original Message-----
From: dev...@li... =
[mailto:dev...@li...]On Behalf Of Guillermo =
Gutierrez
Sent: Friday, April 29, 2005 4:53 AM
To: dev...@li...
Subject: [Dev-C++] SHFILEOPSTRUCT - WIN32 API



Has anyone ever used the Shell object struct SHFILEOPSTRUCT for any =
shell operations (copy, delete, move) for files in windows?

I am having trouble getting it to work with copying multiple files that =
are named individually instead of just using a wild card (*.*) to select =
all files.

I would really appreciate any help and suggestions incase anyone has =
done something similar through another method?=20

Guillermo Gutierrez=20
Market Scan Information Systems=20
Software Q.A. Supervisor=20
(818) 575-2000 x2427=20
ggu...@ma...=20

As you notice, it isn't so common to use only string literals, so most
often, dynamic memory is used.

It is a bad idea to create an array where some items are dynamically
allocated followed by a string-copy, and some entries are assignments of
pointers to string literals. The problem will be how to - in a portable
way - know which entries that requires release of dynamic memory.

However, the string literal method do have it's uses. Think for example
keywords for a computer language. All the keywords are know before, and to
speed up operation, the compiler may convert from a list of keywords to a
heavily optimized construct to maximize search time - for example a
perfect hash, where no keyword bin collides with any other keyword bin.

/Per W

On Mon, 2 May 2005, Rafael Charnovscki wrote:

> Per Westermark wrote:
> >
> > However, the above two alternatives may not be combined into:
> >   array[1] = malloc(strlen(sentence)+1);
> >   array[1] = "sentence";
> > since the second assign will loose the reference to the memory previously
> > allocated.
> >
> Per,
> Thank you for remind us that!
> Do you think it's safe using array[n]="string_literal" inside
> functions?
>
> <snip>
> void foo (char *array[]){
>   array[0]="string_literal_1";
>   ...
>   array[n]="string_literal_n";
> }
> </snip>
>
> IMHO, for C code I'd use dynamic allocation with strings, since
> it's not very common having only string literals. I mean, you don't
> know exactly what you'll have, so you'll have to allocate memory.
>
> Regards,
> Rafael
>
>
> --
> No virus found in this outgoing message.
> Checked by AVG Anti-Virus.
> Version: 7.0.308 / Virus Database: 266.11.0 - Release Date: 29/04/05
>

Per Westermark wrote:
> 
> However, the above two alternatives may not be combined into:
>   array[1] = malloc(strlen(sentence)+1);
>   array[1] = "sentence";
> since the second assign will loose the reference to the memory previously
> allocated.
> 
Per,
Thank you for remind us that!
Do you think it's safe using array[n]="string_literal" inside
functions?

<snip>
void foo (char *array[]){
  array[0]="string_literal_1";
  ...
  array[n]="string_literal_n";
}
</snip>

IMHO, for C code I'd use dynamic allocation with strings, since
it's not very common having only string literals. I mean, you don't
know exactly what you'll have, so you'll have to allocate memory.

Regards,
Rafael


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Checked by AVG Anti-Virus.
Version: 7.0.308 / Virus Database: 266.11.0 - Release Date: 29/04/05

Noorez,

Just a suggestion to your algorithm in
order to not use an "if/else" statement.

 <snip>
 const double numerator = 4;
 double PI = 4;  // short, signed or unsigned invalid for PI.
 // The only modifier you can use is "long" with "double"
 // bool add = false;
 short int sign = 1; //set a variable to act as a sign
 cout << "Running..." << endl;
 for(double i = 3; i < 999999999; i+=2){
       sign *= -1; //switches the "sign" on each iteration
       PI += ((numerator/i)*sign);
 }
 </snip>

Regards,
Rafael Charnovscki

"Alfred P. Reaud" wrote:
> 
> Hi Noorez,
> 
> Is there such a thing as an unsigned double?  IMHO, floats and doubles
> ...................
> int main(int argc, char *argv[])
> {
>   const double numerator = 4;
>   double PI = 4;  // short, signed or unsigned invalid for PI.
>   bool add = false;
>   cout << "Running..." << endl;
>   for(double i = 3; i < 999999999; i+=2)
>   {
>     if( add )
>     {
>       PI += numerator/i;
>       add = false;
>     }
>     else
>     {
>       PI -= numerator/i;
>       add = true;
>     }
>   }
>   cout << setprecision(15) << PI << endl << endl;
>   system("PAUSE");
>   return EXIT_SUCCESS;
> }


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