UNIX/Linux Programming - November 2009 (Page 2)

Ok so the situation is this. For a coursework project I'm creating an application which helps to teach networking and data encapsulation to A-Level computer sci...

[1 reply] : There isn't because you are implementing TCP in user land. connect() ... (by jsmith)

by reachvimalm

Running single binary/process on linux/unix (1,2)

How do I make sure in my linux binary that I run only single instance of it on particular machine and or for particular user? so that if other second one is run...

[20 replies] Last: #include <iostream> #include <signal.h> using namespace std; //v... (by writetonsharma)

by CD4

segmentation fault...

#include<stdio.h> int main(int argc,char *argv ) { FILE *fp; if (argc==3){ fp=fopen(argv ,"w+"); fprintf(fp,"%s\n",argv ); } else { print...

[2 replies] Last: bazzy you are awesome.. you rock man.. what fool of me.. i as trying t... (by CD4)

by herat007

Regarding STL Maps

Hi, I am developing a program where i have a map of very large size where the key value is a string.... I now have a string ....is there a way to directly sear...

[4 replies] Last: Do you have access to TR1 unordered containers? (by PanGalactic)

by chrisname

UNIX errno -> message conversion (1,2)

I just made this, and then I thought it might help some people, so I'm posting it here: /* For errno -> error conversion. An error's index is the correspond...

[24 replies] Last: I know, but I had to look up OJ ... it also means orange juice.And I w... (by DrChill)

by reachvimalm

counting word in a file using shell script

How would you count word in file. remember you can't use grep with wc because it won't count word coming twice in same line.

[12 replies] Last: you have done better than needed. e.g. "white dog may or may not run... (by reachvimalm)

by reachvimalm

any NIO java equivalent in C++

do we have any java nio equivalent class/ implementation in C++?

[1 reply] : No. (by kbw)

by herat007

Issue in reading a binary file

Hi guys i have a problem while reading a binary file... I have written some data in binary format and want to read the data now... but when i print the data its...

[8 replies] Last: exactly...you got it correct. you dont have to do anything for char... (by writetonsharma)

by kibestar

Square-Root fuction

Hi there. Can somewone make me a program that calculates the square root of X without using the math.h header. Why: curiosity on how to do it. thanks in a...

[2 replies] Last: I was going to post something but then I realised he said square root... (by chrisname)

by DrChill

shell command

I am a little new to ubuntu & linux, How do I make a shell command compile my source code I surfed and surfed and surfed but the net has no flies (confusing-ish...

[4 replies] Last: you can use make. if your file is called main.cpp (or main.c) make ... (by bigearsbilly)

by devas

Mix C and C++

Hi, i have a question. Is it possible to write a code that callable both from C and C++? I want to write a logger which put some logs in a specific file a...

[4 replies] Last: Thank you (by devas)

by kevinchkin

Host name to IP Address (vice-versa)

Hi Guys, How can I convert hostname to IP address? localhost ---> 127.0.0.1 Thanks in advance

[1 reply] : Never mind found it. In case someone else is looking for it stri... (by kevinchkin)

by ruchi01

segmentation violation????

Hello I have a problem while executing my code. It gave no error while compiling. The error i get is: *** Break *** segmentation violation (no debugging ...

[7 replies] Last: Segmentation fault occurs whenever your program tries to access INACCE... (by gajawadasatish)

November 2009 Pages: 12

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