UNIX/Linux Programming - C++ Forum

I created TCP server which is up and running and loading the dynamic library and using it 1.if dynamic library cause segmentation fault it is crashing my serv...

[2 replies] Last: if dynamic library cause segmentation fault it is crashing my server ... (by kbw)

by GRex2595

pthread is causing my program to ignore signals

I'm working on a program that is causing an alignment exception when I try to use std::thread. After switching to pthread, I also realized that when the thread...

[2 replies] Last: The mistake was actually that I was using the wrong pin diagram. Appa... (by GRex2595)

by Stewbond

Makefiles and folder structure

I'm having some trouble with my makefile rules. I'm sure that I can make it much simpler than it is but I'm not sure how. My folder structure looks like this...

[no replies]

by Stremik

Walking through heap ( C garbage collection )

Hello. This is my homework for Computer Systems class. So, don't give me the answers but rather hint at possible solutions or highlight my mistakes please. I k...

[1 reply] : 1 way. meta-data in block 10000 should contain meta-data that it is th... (by Konstantin2)

by sbiswas

Shell Programming

Hello, How can I do user input in my following shell command? right now it is working for any fixed value; however, if I want to input value (filename), it i...

[2 replies] Last: cout << "Enter filename and newfilename" << endl; std::string filenam... (by drowsysaturn)

by Bhavith

expected out put is not coming

#include <stdio.h> int a =1 int a; int main() { printf("%d\n",a); // expected 0 but o/p is 1 why ? return 0; } 1

[6 replies] Last: tentative definitions are also covered on cppreference here: http://en... (by Cubbi)

by zxc

I need A help !

#include <stdio.h> #include <unistd.h> #define MAX LINE 80 /* The maximum length command */ int main(void) { char *args[MAX LINE/2 + 1]; /* command line ar...

[no replies]

by jynx678

TCP Server Send List of Files in Directory to Client

I am writing a simple TCP-based iterative server program in which the server accepts a connection from the client and then sends a list of files in it's default...

[1 reply] : How does a server program access this list of files just like any o... (by Cubbi)

by Bhavith

Cross compilation for windows

Hi guys can anybody tell how to cross compile my hello.c/hello.cpp to windows using linux . I google all possible ways every one is telling to use mingw . but...

[5 replies] Last: https://blog.mithis.net/archives/tp/95-xcompiling-cygwin-on-linux-for-... (by Moschops)

by Rijento

Dynamic Cursor Shifting and Outputing

I am attempting to write a length of code to disply several playing cards side by side AFTER the previous one has already been output. This is using a combinati...

[2 replies] Last: I would gladly attempt to learn that library if someone could point me... (by Rijento)

by alexBB

Please explain a statement

I need to understand how a statement works. You can find it at this website: http://www.librow.com/articles/article-10 It is Librow FFT. Here is this code...

[3 replies] Last: It doesn't have to be a const. (by Moschops)

by kind9

Why doesn't g++ use the latest standard by default?

The latest standard is c++14, so why doesn't g++ enable it by default? Is there a reason to not have this enabled in new projects?

[4 replies] Last: It looks like g++ version 6 (should be out in a couple of months) will... (by jlb)

by svarg1990

Compilation fails with "error: 'uint32_t' does not name a type"

Hi, I have a huge program, which uses the boost library as well as the standard c++ libraries, while I compile I get the error, "error: 'uint32_t' does not n...

[2 replies] Last: Include the C++ header <cstdint> and explicitly write out the namespac... (by Peter87)

by TomT

text is visible in compiled script

Hi I only started looking at c++ yesterday.. I've written a simple script that downloads files from different URL's and writes them to the correct locati...

[19 replies] Last: Thanks for the advise on this query. I've used: http://create.stephan... (by TomT)

by moonman239

How do I get the current battery level?

What I'd like to do is just develop a little program that outputs the battery level as a percentage, but I can't find a way to do this without invoking the shel...

[3 replies] Last: OK, error 29 means "illegal seek", meaning seek operations on pipes ar... (by moonman239)

by samalia

How to create a Input Data Template in C++

Hello everyone, I'm planning to put in place a DataBase programmming where Data will be stored in a Excelsheet but, my probleme for now is to know how to...

[3 replies] Last: You can work with CSV files or some other text format that Excel recog... (by kbw)

by honda933

classes program

Hi All, I'm writing my first program with classes, and I'm having a hard time. I'm a bit shaky with functions, and this is probably where a lot of my problem...

[2 replies] Last: By defining a class you just defining a plan or blueprint for new data... (by Calcushtag)

by arsenio

opencv and X11 support

Hello, I wrote an image processing tool based on opencv/C++ which runs on iMac. I would like to access the program remotely from a ubuntu machine and I am ha...

[no replies]

by armanix

Programming help

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[9 replies] Last: I see a couple problems. You're using your variables charge, hour, and... (by kind9)

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UNIX/Linux Programming - March 2016