Programming :: Output The Display In C++?
Feb 8, 2010
i am having problem with displaying my text. my text file is displayed in such a way and is called test.......
Code:
Sam Worthington ... Jake SullyasZoe Saldana ... NeytiriasSigourney Weaver ... Dr. Grace AugustineasStephen Lang ... Colonel Miles QuaritchasJoel Moore ... Norm Spellman (as Joel David Moore)asGiovanni Ribisi ... Parker SelfridgeasMichelle Rodriguez ... Trudy ChaconasLaz Alonso ... Tsu'teyasWes Studi ... EytukanasCCH Pounder ... MoatasDileep Rao ... Dr. Max PatelasMatt Gerald ... Corporal Lyle WainfleetasSean Anthony Moran ... Private FikeasJason Whyte ... Cryo Vault Med TechasScott Lawrence ... Venture Star Crew Chiefmore
What i am trying to do is for the program to read "as" and then from there start a new line... thus the expected output is...
Code:
Sam Worthington ... Jake Sully
Zoe Saldana ... Neytiri
Sigourney Weaver ... Dr. Grace Augustine
[code]....
I keep getting the error saying ...
Code:
editmain.cpp.98:error: initializer fails to determine size of 'str'
what does this mean, and how can i be able to format my file in the way i want?
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Mar 28, 2011
I am running a scan via nmap (nmap -sP) and the out put looks similar to this:
Nmap scan report for x.y.z.com (10.x.x.x)
Nmap scan report for 10.x.x.x
If it can resolve the hostname it does, if not it just spits out the IP. I would like to know the best syntax to use with cut, or awk, so that the only output is either the IP or IP - HOSTNAME.
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Jan 14, 2011
I am trying to run a java .class file by double-clicking it. So far my attempts at running it have been successful, but I don't' know how to keep the display open to see what the output is.
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Jan 12, 2011
I have two computers both running Ubuntu 10.04. I use my laptop to ssh to the other computer. If I start for instance firefox via ssh from my laptop to have the browser showing up on the screen attached to the computer I ssh to? The computer i ssh to is better in handling graphics so I want to connect it to the TV and use my laptop as remote-control.
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Feb 8, 2011
I am trying to use awk command in perl. Below is my awk comamnd which works alone.
awk '{Easttot=Easttot+$1} END {print Easttot}' MessagesProcessedEAST2Cnts.dat
I would like to use this awk's output in shell script. I am using system command like below to get the out put. But it is not working.
$Output = system("awk '{Easttot=Easttot+$1} END {print Easttot}' MessagesProcessedEAST2Cnts.dat'");
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Feb 6, 2011
I am using a 64-bit Slackware 13.1 distro (I chose 64 by mistake, to be honest, as I know there's less trouble with a 32-bit distro) and I have some problems with my consoles (in text mode). After changing the runlevel in ininittab to graphic mode (4), I can't enter any of my consoles. Actually, only ctrl+alt F1 shows some output, regarding the graphic mode (I'm currently using KDE4, the default for slackware 13.1) and F6 is the only normal consoles I have access to. However, if I log out and log in (with another user, maybe) there's no output anywhere (not on F1, neither on F6).
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Apr 26, 2010
I have an sony vaio laptop and the screen is pretty small so i have connect to tv with a HDMI cable but opensuse doesnt show on the tv. How do i output either the same screen or an extended desktop ?
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Jul 27, 2010
I use 'grep -Ri "mypattern" .' to search for all files in the current directory recursively that contain "mypattern". But this command returns every single occurence, so that if a given file has several occurences of the pattern, the screen fills up pretty quick. More than likely, there's a way to restrict the output so that it only displays each file once, no matter how many occurences it contains, but I couldn't find how to do it.
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Feb 4, 2011
Though I have little experience in the past, i just can't get to work what i have in mind.i want to display part of an output stream.
cat sample.xml
<packet or="recv" ljid="d.sample@test.local/" ts="20110204T15:02:55"><message from='j.sample2@test.local/' to='d.sample@test.local' type='chat' xml:lang='en' id='sd61'>
[code]...
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Jan 24, 2010
I have a Dell Latitude D610, and am running a 2.6.21.7 kernel. If I close the screen on the laptop, the display output switches to the external VGA output. When I open the screen, the display output does NOT switch back. This occurs when running X and when in command line mode. Is there any way to get the output to automatically switch back when I open the screen?
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Jun 16, 2011
Is it possible to get WGET to only show download progress e.g. download bar, opposed to all of the connection info, as it does look a little ugly on the client side, is this possible to do?
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Feb 3, 2010
I am beginner in ubuntu. I wish to run the programs that will display a picture which use the ffmpeg, sdl and lame. When I type gcc -o exercise exercise1.c 'sdl-config --cflags --libs' to compile the program it give this such of error :gcc: sdl-config --cflags --libs: No such file or directory. I have installed the gcc packages, SDL, FFMPEG, LAME but still cannot display the output. What should I do with the gcc packages?
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Oct 7, 2010
I have a file that contains "ls -la" output. I would like to display only the filenames, none of the other information before it such as permissions, ownership, size, and date.Would the cut command be the best way to hit this, or should I use Vim or sed?
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Jul 29, 2010
My script is not diaplying output as it contains awk while iterating over the array. My script is as follows:
shortcodes=( "56882" "58585" "58888" "57575" "57677" );
for shortcode in ${shortcodes[@]}
do
echo "`awk -F"|" '/ShortCode=tel:$shortcode/ { arr[substr($2,1,4)]++ } END { for( no in arr) { print no , arr[no] } }'
[code]....
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Dec 3, 2009
The display under vlc is strangely colored in blue, or red missing. Anyway the balance isn't correct. I tried every output module but no one is correct. I am running 11.2/kde.
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Apr 23, 2010
Consider a situation in which you want to display only specific lines of contents from a file or of a command's output. Yes, we have head and tail commands. But, how to view all the lines of a file except the last one or vise versa when we don't know the count of lines in advance?
Consider this output:
Code:
[root@localhost ~]# ps au | grep bash
root 6316 0.0 0.0 4672 1440 tty1 Ss+ Apr22 0:02 -bash
root 20847 0.2 0.0 4672 1432 pts/0 Ss Apr23 0:12 -bash
root 21167 0.0 0.0 3920 660 pts/0 S+ 01:00 0:00 grep bash
Here, I don't want the last line (in italic) to be included in the result since the last line is due to "grep bash" in the devised command "ps au | grep bash". Well, we can rewrite the devised command:
Quote:
"ps au | grep bash | head -n 2"
But, again, here we are specifying the count of lines to be included. But, in the presented problem we don't know any count in advance!
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Jan 11, 2011
I'm testing HTML5 for the first time, using Firefox (beta) 4.0b8 and SeaMonkey (beta) 2.1b1, and its ignoring some CSS. Specifically, I have problems with the <details> tag. (It is nested in a paragraph...I am using it to provide an in-paragraph definition in hopes it can be toggled.)
Firefox only partly supports <details>. It's not supposed to show anything except the content of <summary>, unless you click on <summary>'s content. Instead, it puts a line break before the content of <details>, splitting the paragraph in two peices (which looks silly), without the "closed/open" functionality.
So I tried using "display:inline" in my CSS, but that gets ignored. Just for fun, I also tried "display:hidden" (also ignored) and "display:none" (obeyed).
SeaMonkey doesn't doesn't do anything special with the content of <display>...but it also ignores the same CSS as Firefox.
The only thing I can do to support semantic design is apply "font-style:italic" to all <details> elements.
Granted, you might ask, "why bother using <details> at all. then?" Well, I would like to have <details> for the browsers that support it, with the "font-style:italic" to degrade the page nicely for those that don't (such as for SeaMonkey).
Does anyone know why "display:inline" and "display:hidden" get ignored?
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Feb 22, 2011
The video projector I have to use this week projects an image too large for its screen and spills over on every side.
Fixing the physical setup is not possible or at least unlikely for the moment: the only solution is to carefully resize and position windows so that they display in the visible part of the screen - using full-screen mode is out.
Is there a way around this via software, using xrandr for example?
# xrandr doesn't have a padding option...xrandr --output VGA1 --mode 1360x768 --left-of LVDS1 --padding 200
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Jan 28, 2010
As i am new to C++ i couldn't figure out how to input a file and make some change on the file and produce a output file. like this problem i have is.
"Program that processes an input file and produces an output file. The input file will contain lines of data, each containing two floating point numbers. The lines of the output file should contain the two numbers read and their average (with a '$' sign and 2 places after the decimal point)."
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Apr 25, 2010
I have a file with something like** The total time for processing is 1245 seconds *when I doawk 'BEGIN{FS="The total time for processing"} {print $2 } ' fileI get correctly on screen 1245 seconds *but when I try to direct this to a file awk 'BEGIN{FS="The total time for processing"} {print $2 } ' file > outputthenoutput is empty ie the 1245 seconds * is not saved in ...Know why?
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May 10, 2010
With the command "tail -300 /var/log/apache2/access.log | less" i can look in the log for the 300 latest visitors. and i wanted to ask if it's possiblle to get that command to run from a php file and if yes how ?
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Apr 6, 2011
Lex's (actually Flex) output contains this:
Code:
#ifdef __cplusplus
extern "C" int yywrap (void );
[code]...
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Jun 8, 2010
I am trying to learn C Programing and I'm having trouble on the output of my script. my script should count the characters in input but it doesn't give me any numbers..
here's my program code:
Code:
#include <stdio.h>
main()
{
double nc;
[code]....
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May 6, 2010
have a file (called it A) contains;
hostname 192.168.23.65
hostname 10.18.13.253
hostname 10.18.16.253
[code]...
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Jun 8, 2009
See the first program below :
Code:
This code when compiled gives the following errors:
1. conflicting types for 'fun' at line no: 9
2. previous declaration of 'fun' was here at line no: 3
Why is this happening?
If i modify the above program as shown in the second program below:
Code:
This code when compiled gives no errors.
Why the difference occurs between the first and second program?
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Feb 25, 2011
is there a way in code to tell SDL to be directed to another desktop? This is so I can full screen debug rather than running in windowed mode. By other desktop I don't mean other machine just another workspace.*
* sorry don't know correct term for this it seems in Debian you have 4 you can select from the low right of the desktop, seems to be called desktop 1-2 in ubuntu.
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Jun 10, 2010
I have a script that generates a bunch of output, including the expansions details provided by: set -v -xI am trying to pipe everything that is displayed to a file, in addition to displaying it on the screen. I've managed to get stderr and stdout into the file, but the expansions are only printed to the screen. Here is what I have so far:sudo -u <user> source my_job.sh |tee my_log.txt 2>&1
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Aug 6, 2010
I am again struggling to make a script work, but hey, it is fun, I am learning new things. I discovered the set -x option which was, for me, like the second coming. Still, what I am not able to do is redirect ALL output to a (log) file, including what is produced by the -x setting. Let's assume a very simple script:
Code: #!/bin/bash
set -x
source="/home/atelier/Bureau/"
ls -la $source and I am running it as . test.sh >> /var/log/test.rmcb.log
The result of ls goes inded into the log file, but the rest still shows on the console where I am running the script: Code: ++ source=/home/atelier/Bureau/
++ ls --color=auto -la /home/atelier/Bureau/ Is there a way to redirect EVERYTHING to the log file ?
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Feb 27, 2011
I need to re-direct the output within an awk script, but not to already known, fixed filenames. The output file names depend on values of the fields. For example (the actual problem is surely more complicated), if, on a given line, the second field is DATA, the third is 1984, I would like to print some information in a file called output_DATA_1984. This could/would change in the following line of the same input file. Such things are pretty easy in bash, put I cannot do it in awk, as I can only find manual references for redirecting output to fixed filenames between double quotes.
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Mar 8, 2011
i'm programming a small widget for a panel and need some information from my system. The command on the shell would be whoami to find out which user i am. This information is needed for my widget to set up the title of the widget, the information of the user will be retrieved out of the /etc/passwd (the code works just fine), but i don't know how i can get the information. One possibility would be to create a child process, call whoami with execlp(). But how can i retrieve the output of that process?
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