C++ is a statically typed, free-form, multi-paradigm, compiled, general-purpose programming language.

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2
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1answer
804 views

How to install CLang using precompiled binaries? [closed]

How do I install CLang on Ubuntu, using precompiled binaries of CLang that I downloaded? Here's how I downloaded CLang: "LLVM Download Page" -> "Download LLVM 3.2" -> "Clang Binaries for ...
2
votes
0answers
461 views

Stereo capture with v4l2

I am trying to capture images from 2 cameras using the driver v4l2. I want to capture them at the same time so I use threads with conditions to start the capture at the same time. The problem is that ...
12
votes
1answer
9k views

Difference between Cross GCC and Linux GCC toolchain

While creating new C++ Project in Eclipse, I am being asked about toolchain. What is the practical difference between these toolchains - Cross GCC and Linux GCC. In what circumstances use them? Does ...
-3
votes
2answers
342 views

Using file system call

I'm trying to learn system calls for open,write and close a file. I use this sample and the result is: gcc: error trying to exec 'cc1plus': execvp: No such file or directory Here's my program: ...
0
votes
1answer
97 views

How to manually install a cpp library

I want to install the opengl sdk http://glsdk.sourceforge.net/docs/html/pg_build.html . I successfully built it but it has no install script. I am wondering where I have to put them in order for ...
1
vote
1answer
5k views

How to update the version of gcc-c++ on Fedora?

I have version 4.4.4 of gcc installed and would like to update to either a specific version or to the latest version. Here is what I have tried: sudo yum install gcc-c++ this tells me that Package ...
1
vote
1answer
515 views

How to set clang++ as the c++ compiler?

I'm trying to set clang++ as the system C++ compiler on Fedora 18. I have installed clang and added it to alternatives but it doesn't appear to be working. [user@localhost ~]$ alternatives --display ...
1
vote
1answer
146 views

Communication to device is lost when network starts on boot up?

I have an application that opens a socket on port 4444 to a device (/dev/linkToDevice). The "linkToDevice" is a link to ttyUSB0. The application is a c++ program of which is now a daemon and runs at ...
1
vote
1answer
227 views

Set up proper programming environment

I'm starting to think how to set up the most convenient environment for programming, with the following conditions. I run Linux Mint 14. I've got a computer at work but would like to have access to ...
0
votes
2answers
206 views

how to code c++ via ssh with Vim or Vi? [closed]

Would I have to rent and configure a server or something? I'm sort of new to unix, but when I was in school I had this nifty setup where I could ssh from any terminal in linux or mac or putty in ...
3
votes
2answers
20k views

How to install g++ 4.7.2 & c++11 on CentOS 5.x?

I'm trying to install the latest stable g++ and c++11. My host did it through yum install and thought that it was the latest, but it's not, and they are now saying that this is beyond their level of ...
0
votes
3answers
1k views

Kate vs VIM/Emacs regarding speed [closed]

I'm trying to learn C++ in school using a UNIX environment and our professor urges us to use VIM or Emacs because a GUI is disadvantageous for two reasons: Moving your hands off the keyboard and ...
-1
votes
2answers
4k views

Find the Information of USB Devices In C++ [closed]

I need to list existing USB hub and the devices connected in the hub using my C++ program. I can able to print the USB Hub and devices connected in hub from terminal using the commands lsusb lsusb ...
1
vote
3answers
62 views

execute file in server more safely?

We have a application which takes a C++, C, or Java file as input, executes it, and displays the output to the client. What are the best measures that can be taken so that no security related issues ...
2
votes
1answer
1k views

Ubuntu 12.04 c++ development system install

I am trying to install the Intel Parallel Studio 2013 on Ubuntu 12.04. During installation I received a failure notice that the command g++ was missing. I asked Intel and they indicated that the C++ ...
4
votes
2answers
812 views

c++ programming on a Real-time linux OS

Is there any gotcha's programming RealTime C++ applications (user space and linux drivers) on RT linux kernel compare to a std linux kernel? The Linux RT patch applies changes to kernel scheduler, ...
4
votes
2answers
398 views

Is it possible to send arrays from bash to C++ program?

I wanted to know, if its possible to create an array_of_strings and send it to a C++ program, which has an argument string array_of_strings[]?
1
vote
0answers
260 views

Geany feature or plugin to show members of a class

Im using ubuntu 12.04. For c++, is there a functionality (or plugins that will provide this) in Geany which enables suggestion/hint list of all members of a class, also classes from a linked library? ...
-2
votes
1answer
902 views

Difference Between #include “file.h” and #include <file.h> [closed]

What is the difference between the #include "file.h" and the #include <file.h>? Surely they mean the exact same thing, because I have a file that has something like this: #include ...
0
votes
2answers
497 views

Getting list of installed apps (NOT packages)

How can I get list of installed apps (based at files in /usr/share/applications/) without writing own parser? I need just app name, path to app icon and path to launch app. I'm using C++ with Qt ...
0
votes
2answers
118 views

How i create application B that would be able to communicate with running application A? [closed]

I have background application A. I want to create application B to configure application A on the fly. So, how can I detect if A is running and send some messages to A?
2
votes
1answer
6k views

C++ compile in Arch Linux with no g++ package in repositories

I wanna compile a C++ program in Arch Linux, but there's no "g++" package as there is in Ubuntu repositories for example. Using -x too won't work. like this: gcc -x c++ -o myprog myprog.cpp
2
votes
3answers
430 views

Developing software on linux

What tools or IDEs do I need to start developing software on Linux in C++? Can I work using C#? What are necessary skills in order to know to develop software on Linux? I mean what is required in ...
4
votes
1answer
2k views

Why is my C++ program killed by OS

I've compiled small C++ application for school project on my virtual ubuntu 11.04. However when I attempt to run it over some larger data set after ~20 sec the program is killed by OS. Killed ...
3
votes
1answer
757 views

libstdc++.so.3 => not found on CloudLinux, no SuperUser permissions, seemingly in chroot.

I am trying to install the Linux x64 BOINC command-line interface client on a CloudLinux machine with x86_64 Architecture. When I try to run the executable I get an error: ./boinc: error while ...
1
vote
2answers
478 views

Testing C++ code with bash commands

I've read a programming problem and then I wrote code for it. But I thought my algorithm was not working right, so I wrote another piece of code that it was not optimal but, I think, correct. Now I ...
2
votes
1answer
369 views

Can Qt SDK be used for development on any Linux distro?

Fisrt of all I am a Windows developer guy but really like Linux. On Windows, Visual Studio provides an excellent IDE for C and C++ development. The only other IDE and toolkit I like is the Qt SDK and ...
0
votes
1answer
326 views

Is it possible to preload glibc?

One of my client runs a glibc-2.7 based system , and my static linked program wasn't able to start on the target machine, raising an error: ...
1
vote
2answers
3k views

moc command not found?

On my Gentoo systems I've never had a problem with this and I run moc as I run any other command in the terminal. I recently switch to Fedora 15/16 and notice that running moc doesn't work. I get ...
5
votes
3answers
4k views

Most common encoding for strings in C++ in Linux (and Unix?)

For creating a C++ program that is source code level portable between Windows and Linux and handles internationalization well, there are IMHO three main encodings to consider: The encoding of the ...
9
votes
1answer
4k views

While there is C++ why most of Linux programs are written in C?

Why most of linux programs are written in C? Why they are not written with C++ which is newer than C?
2
votes
3answers
215 views

Optimizing c++ compiliation for a specific machine

I am programming a code to simulate a membrane which will run on computation cluster (single node). I want to optimize the code for that machine. I have used the -optimize, -O3 and -march=core2. How ...
5
votes
2answers
1k views

list header files used by a project compiled with gcc along with hierarchy

I currently have a C++ project that spans two different source control systems. Without checking in the full complete source code from the first system into the second system I plan to check in just ...
2
votes
1answer
1k views

How do I make a multi-threaded app use all the cores on Ubuntu under VMWare?

I have a multi-threaded C++ app (using pThreads) that processes a massive flat file that works great on Windows - uses all four cores on my puny CPU. Client wants to run the same code on Red Hat on a ...
6
votes
1answer
324 views

Why would one want to compile multiple .cpp files to the same executable?

Why would you do g++ -Wall -I/usr/local/include/thrift *.cpp -lthrift -o something instead of: g++ -Wall -I/usr/local/include/thrift -c Something.cpp -o something.o g++ -Wall ...
3
votes
2answers
358 views

What does this Linux command do?

g++ -Wall -I/usr/local/include/thrift *.cpp -lthrift -o something I am new to Linux and am trying to learn "as I go along"....This is from the Apache Thrift website. Also is the -I/usr supposed to ...
0
votes
1answer
4k views

how to Update gcc of OpenSuse 11.2?

I have OpenSuse 11.2 with gcc version 4.4.1. I would like to update my gcc version to 4.5.1. I have downloaded gcc-4.5-19.1.i586.rpm. When I rpm install it, it's asking for ...
1
vote
0answers
3k views

“Permission denied” for running an executable file on a linux machine [closed]

I once generated an executable file using g++ on a linux box. But when I try to run this executable file on another linux machine, the system said "Permission denied". However, after I re-compile the ...
2
votes
2answers
2k views

How to use STL in unix and linux?

How to use STL(standard template library) in HP-Unix . How to compile and run the program with STL functions?
1
vote
1answer
268 views

Recording and charting boot process information in Linux

I need to write a command line tool that records the boot process information in Linux, and then renders it in a chart format (a textual chart would do). How do I programmatically obtain the this boot ...
1
vote
3answers
1k views

What libraries are there for reading/editing ID3s of mp3?

I think the title says it all. I need a library to allow me to read and edit ID3 Tags from C++ in Linux. Suggestions?