digitalmars.D - D program code

Vincent (25/25) Nov 13 2013 import std.stdio,std.cstream;

Adam D. Ruppe (10/12) Nov 13 2013 din.getc has something in its buffer already (the newline from
Jacob Carlborg (5/12) Nov 13 2013 You need to tell your IDE to not close the console when the application
Dejan Lekic (2/9) Nov 13 2013 Add the following line to the end of your main() function:
Dicebot (6/6) Nov 13 2013 Changing
John Colvin (4/29) Nov 13 2013 I see you've got plenty of answers so I'll just add: please ask

Vincent (3/3) Nov 13 2013 Sorry sir my post is out of place. But thanks anyway next time I
bachmeier (3/36) Nov 13 2013 This wouldn't happen so often if digitalmars.D.learn appeared at

Adam D. Ruppe (2/4) Nov 13 2013 amen, it is so far down that sometimes i forget about it!

Andrei Alexandrescu (3/7) Nov 13 2013 bugzillize and pullrequestize!

Vladimir Panteleev (3/12) Nov 13 2013 Is it better now?

Adam D. Ruppe (3/4) Nov 13 2013 rox!
Andrei Alexandrescu (3/13) Nov 13 2013 Yah. That reminds me - the source tree should be in our github...

Vladimir Panteleev (6/8) Nov 13 2013 What about the kitchen-sink library it currently depends on?

"Vincent" <spawn_rock2000 yahoo.com> writes:

import std.stdio,std.cstream;

void main(string[] args)
{
	int first;
	int second;
	
	write ("First Number     : ");
	readf (" %s", &first);
	
	write ("Second Number    : ");
	readf (" %s", &second);
	
	int result = first + second;
		
	writeln("Result: ", result);
	din.getc();
}

_________________________________

Problem: When I run this code why it is automatically exit when 
it shows the
          result. It allows me to input first numbers and second 
number but when
          it shows the result it will totally exit and I can't see 
the output.

I use D-IDE as my editor and dmd2 as my compiler.

Nov 13 2013

"Adam D. Ruppe" <destructionator gmail.com> writes:

On Wednesday, 13 November 2013 at 14:36:22 UTC, Vincent wrote:
          it shows the result it will totally exit and I can't 
 see the output.

din.getc has something in its buffer already (the newline from 
when you hit enter after readf - it uses the number but left the 
line), so it doesn't have to wait.

Simplest fix is to read two lines at the end:


         writeln("Result: ", result);
         readln(); // skip past the enter left from second number
         readln(); // wait for the user to hit enter again to exit


(I'm using readln instead of din so you can just use std.stdio 
alone)

Nov 13 2013

Jacob Carlborg <doob me.com> writes:

On 2013-11-13 15:36, Vincent wrote:

 Problem: When I run this code why it is automatically exit when it shows
 the
           result. It allows me to input first numbers and second number
 but when
           it shows the result it will totally exit and I can't see the
 output.

 I use D-IDE as my editor and dmd2 as my compiler.

You need to tell your IDE to not close the console when the application 
exists.

-- 
/Jacob Carlborg

Nov 13 2013

"Dejan Lekic" <dejan.lekic gmail.com> writes:

 Problem: When I run this code why it is automatically exit when 
 it shows the
          result. It allows me to input first numbers and second 
 number but when
          it shows the result it will totally exit and I can't 
 see the output.

 I use D-IDE as my editor and dmd2 as my compiler.

Add the following line to the end of your main() function:

stdin.readln();

Nov 13 2013

"Dicebot" <public dicebot.lv> writes:

Changing

readf (" %s", &second);

to

readf (" %s ", &second);

is likely to fix it (untested). There is a "\n" symbol left in 
buffer from last entry (which gets read by `getc`)

Nov 13 2013

"John Colvin" <john.loughran.colvin gmail.com> writes:

On Wednesday, 13 November 2013 at 14:36:22 UTC, Vincent wrote:
 import std.stdio,std.cstream;

 void main(string[] args)
 {
 	int first;
 	int second;
 	
 	write ("First Number     : ");
 	readf (" %s", &first);
 	
 	write ("Second Number    : ");
 	readf (" %s", &second);
 	
 	int result = first + second;
 		
 	writeln("Result: ", result);
 	din.getc();
 }

 _________________________________

 Problem: When I run this code why it is automatically exit when 
 it shows the
          result. It allows me to input first numbers and second 
 number but when
          it shows the result it will totally exit and I can't 
 see the output.

 I use D-IDE as my editor and dmd2 as my compiler.

I see you've got plenty of answers so I'll just add: please ask 
such questions in digitalmars.D.learn 
http://forum.dlang.org/group/digitalmars.D.learn

Nov 13 2013

"Vincent" <spawn_rock2000 yahoo.com> writes:

Sorry sir my post is out of place. But thanks anyway next time I 
know now where will I post my topic/questions.

Thanks for the help sirs...

Nov 13 2013

"bachmeier" <no spam.com> writes:

On Wednesday, 13 November 2013 at 14:45:52 UTC, John Colvin wrote:
 On Wednesday, 13 November 2013 at 14:36:22 UTC, Vincent wrote:
 import std.stdio,std.cstream;

 void main(string[] args)
 {
 	int first;
 	int second;
 	
 	write ("First Number     : ");
 	readf (" %s", &first);
 	
 	write ("Second Number    : ");
 	readf (" %s", &second);
 	
 	int result = first + second;
 		
 	writeln("Result: ", result);
 	din.getc();
 }

 _________________________________

 Problem: When I run this code why it is automatically exit 
 when it shows the
         result. It allows me to input first numbers and second 
 number but when
         it shows the result it will totally exit and I can't 
 see the output.

 I use D-IDE as my editor and dmd2 as my compiler.

 I see you've got plenty of answers so I'll just add: please ask 
 such questions in digitalmars.D.learn 
 http://forum.dlang.org/group/digitalmars.D.learn

This wouldn't happen so often if digitalmars.D.learn appeared at 
the top of the page.

Nov 13 2013

"Adam D. Ruppe" <destructionator gmail.com> writes:

On Wednesday, 13 November 2013 at 18:39:59 UTC, bachmeier wrote:
 This wouldn't happen so often if digitalmars.D.learn appeared 
 at the top of the page.

amen, it is so far down that sometimes i forget about it!

Nov 13 2013

Andrei Alexandrescu <SeeWebsiteForEmail erdani.org> writes:

On 11/13/13 10:47 AM, Adam D. Ruppe wrote:
 On Wednesday, 13 November 2013 at 18:39:59 UTC, bachmeier wrote:
 This wouldn't happen so often if digitalmars.D.learn appeared at the
 top of the page.

 amen, it is so far down that sometimes i forget about it!

bugzillize and pullrequestize!

Andrei

Nov 13 2013

"Vladimir Panteleev" <vladimir thecybershadow.net> writes:

On Wednesday, 13 November 2013 at 20:33:05 UTC, Andrei 
Alexandrescu wrote:
 On 11/13/13 10:47 AM, Adam D. Ruppe wrote:
 On Wednesday, 13 November 2013 at 18:39:59 UTC, bachmeier 
 wrote:
 This wouldn't happen so often if digitalmars.D.learn appeared 
 at the
 top of the page.

 amen, it is so far down that sometimes i forget about it!

 bugzillize and pullrequestize!

Is it better now?

Nov 13 2013

"Adam D. Ruppe" <destructionator gmail.com> writes:

On Wednesday, 13 November 2013 at 21:15:32 UTC, Vladimir 
Panteleev wrote:
 Is it better now?

rox!

Nov 13 2013

Andrei Alexandrescu <SeeWebsiteForEmail erdani.org> writes:

On 11/13/13 1:15 PM, Vladimir Panteleev wrote:
 On Wednesday, 13 November 2013 at 20:33:05 UTC, Andrei Alexandrescu wrote:
 On 11/13/13 10:47 AM, Adam D. Ruppe wrote:
 On Wednesday, 13 November 2013 at 18:39:59 UTC, bachmeier wrote:
 This wouldn't happen so often if digitalmars.D.learn appeared at the
 top of the page.

 amen, it is so far down that sometimes i forget about it!

 bugzillize and pullrequestize!

 Is it better now?

Yah. That reminds me - the source tree should be in our github...

Andrei

Nov 13 2013

"Vladimir Panteleev" <vladimir thecybershadow.net> writes:

On Wednesday, 13 November 2013 at 21:31:51 UTC, Andrei 
Alexandrescu wrote:
 Yah. That reminds me - the source tree should be in our 
 github...

What about the kitchen-sink library it currently depends on?

What I'd love to do is get going with 
http://wiki.dlang.org/Event_system and port DFeed to it, but I 
have much less free time than I expected...

Nov 13 2013

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