UNIX/Linux Programming - C++ Forum

Visual Studio 2013 Community

Is it worth it to change ide from CODE::BLOCK to Visual Studio 2013 Community? I heard it's hard to learn to use it, but I would like to use the "better" one, ...

[4 replies] Last: I meant Community and I am stupid I mixed Code and Community. (by progleo)

by chfakht

face recognition using opencv 3.0.0

HI all, i'm a beginner in opencv so i'm trying a few examples but a i get some compilation errors :p for the folowing example: http://docs.opencv.org/3.0-be...

[no replies]

by samop

Identifying usb devices and copying form them in C++

Hi, I'm a bit of a newbie in linux c++ although I've been doing winderz programming for years, so forgive this simple question. I want to write a program ...

[no replies]

by GlassHalfAwesome

C++ alternative to C header files

Hey, I've been working on creating a daemon and I've been following these very similar tutorials: http://shahmirj.com/blog/beginners-guide-to-creating-a-daemo...

[2 replies] Last: Good to know, thanks (by GlassHalfAwesome)

by tanveer00

STARTING LINUX PROGRAMMING

Hi, I want to start Linux programming. But I don't know where to start or even what to study. A thorough guideline would be much appreciated! :) Current ski...

[3 replies] Last: Then read kernel code. Too much? Start writing your own. Don't know ho... (by MatthewRock)

by BelleDae

QT OpenCVGLWidget.Cpp

qtImage = QImage((const unsigned char*)(frame.data), frame.cols, frame.rows, frame.step, QImage::Format_RGB888).rgbSwapped(); } else if( frame.channels() ==...

[2 replies] Last: I've figured it out! (by BelleDae)

by Republican31

Send e-Mails Through Gmail SMTP

Hi, I am newish to C++ and working on a system to send an e-Mail. I started from this http://www.cplusplus.com/forum/unices/139097/ and I've tried, but I can...

[no replies]

by Stewbond

Installing/Testing changes to a WM

I'm using vanilla Gnome on Arch Linux. I've made changes to Gnome's default window manager and I'm having trouble figuring out how to test/install my changes. ...

[2 replies] Last: Solution: $ git clone git://git.gnome.org/mutter mutter $ cd mutter... (by Stewbond)

by sharp

Modulus and Porting C# to C++

Hi Guys, I'm porting a Windows C# application to C++ on 64-bit Ubuntu v14.04. The problem I'm having is that the c# version uses a very large decimal #, 73177...

[4 replies] Last: Thanks very much. The GMP library solved my problem. (by sharp)

by whitebeard

Problem: want to access two different statements

Hi all. Here it is what I have bool (...) for (unsigned int i=0;i<event.rec()->electrons().size();i++) { const RecLeptonFormat* elec = &event.rec...

[4 replies] Last: Yes, it helped! Thank you! (by whitebeard)

by BinaryDonuts

Program that open new terminal window and executes command on it

So i have a program that im going to consider the "Control" program, whenever the Control program is executed i want Control to open up 3 new Terminal windows a...

[1 reply] : I don't know what kind of parameters "gnome-terminal" does accept, but... (by tcs)

by spskhokhar

IPSec using C/C++ on Linux

Hi, Need to write client application and server uses IPSec IPv4. - How to create IPSec Socket with Server? - Is there any UNIX Socket API or Boost API or a...

[no replies]

by confusedman

linking c++ file with a .so file

HI, I am trying to wrap an existing API with my API. I have written the code in C and C++ for my API and I am trying to link the code with the existing API's ....

[1 reply] : Try supplying an "soname" to the linker: g++ -shared -Wl,-soname =fle... (by norm b)

by csstudent123

my pipe exits from shell,

//implement single pipe int fd ; pipe(fd); cout<<command_stream ; pid_t pid=fork(); //for(i...

[6 replies] Last: from dtscode: 1) Next time, please post a proper test case: http://ee... (by closed account NUj6URfi)

by csstudent123

understanding Pthread_cond_signal()

Hi. I do not understand this function. It says in the reference manuals that it wakes up/unblocks blocked threads. Now what does this mean? Help me understand b...

[1 reply] : Here are good overviews of pthreads: http://www.yolinux.com/TUTORIALS... (by koothkeeper)

by Minions

Binary files compatibility

I have a .o file generated by arm compiler and another .o file generated by gcc-arm cross compiler. While i link them together i get linker errors. Is there...

[4 replies] Last: The executable is built on gcc. I want to build the library using arm,... (by Minions)

by BinaryDonuts

How to make a app like nano or vim in which the whole terminal is used

When i make my terminal apps i don't like it when all the stuff that i ran in my terminal appears at the top while i'm in my program even when i clear the termi...

[2 replies] Last: there is also termbox which is minimalistic and easy to use. (by mmw)

by Pam44

Empty file on pcap_dump

Hi, I am trying to capture packets using a pcap library API. I am used pcap_dump to dump my packest to a file. But i see that the file is empty. Please can...

[1 reply] : First, please edit your post and use the formatting features to proper... (by PanGalactic)

by arvust

optarg

Hi, Anyone with a fair amount of experience in using optarg? I am currently trying to use it due to the fact it was included in some skeleton code for a prac...

[1 reply] : http://www.cplusplus.com/search.do?q=getopt (by koothkeeper)

by TriforceOfKirby

Linking GLFW Dependencies in Code::Blocks

I'm having issues figuring out what libraries I need to link to run this program: #include<cstdlib> #include<GLFW/glfw3.h> int main(){ glfwInit(); g...

[5 replies] Last: I'll suppose that glfw refers to version 2 jhere's a list of differenc... (by ne555)

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UNIX/Linux Programming - June 2015