C++ is a general-purpose programming language.

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3
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550 views

clang++ (version 3.3) lacks headers

This seems odd. Take a simple C++ program #include <cmath> #include <iostream> int main(void) { std::cout << "Square root of 9 is " << sqrt(9) << std::endl; } ...
2
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0answers
80 views

lock/unlock events for in C++ app which should not depend on screen savers

We have a product, which was developed for Windows. Because of customer request we are developing it for Linux also. So being a beginner to Linux, have migrated most of it (which I loved it). Now got ...
2
votes
0answers
60 views

Modifying default KawigiEdit C++ template in Ubuntu 12.10 LTS

I am trying to edit default c++ template of KawigiEdit plugin, but after I configure and save the modified template as default template, there is no effect. Has anyone modified KawigiEdit's default ...
2
votes
0answers
52 views

Publish a QML/C++ application as a click package

I've written an application which I would like to publish as click package. All the guides and prepared projects mention plain QML applications only. My application furthermore depends on a shared ...
2
votes
0answers
803 views

Problems installing gcc for cross compiling for ARM

I've been trying to install the gcc-arm-linux-fnueabi package, and I've done it a few times by a few different methods but I always seem to be missing the c++ folder in the includes directory. To ...
2
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0answers
267 views

Develop in C/C++ for Qt Ubuntu Touch projects

as said in the question I want to develop the code in C or C++ for my Ubuntu apps. I don't feel confortable in Javascript at all, and when I try to create a C or C++ file the IDE returns me Failed ...
1
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0answers
63 views

clang++ fails to compile simple hello world c++ program

After upgrade to 14.04 from 12.04 clang++ stopped working. $ cat test.cpp #include <iostream> int main() { std::cout << "Hello World" << std::endl; return 0; } $ ...
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49 views

Developing 32 bit application and using it in 64 bit Ubuntu 14.04

I would like to develop 32 bit c++ applications on an Ubuntu 14.04, 64 bit machine and use it on both 32 bit and 64 bit machines. One of the main difficulties I face is that I use some library which ...
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84 views

Get keyboard input without requiring root and without x11

I'm trying to capture keyboard input in a C/C++ program without requiring root privileges and without the use of X11 XNextEvent(). I've tried to open the device directly, but for obvious security ...
1
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0answers
29 views

Qml HUD integration without MainView?

I'm working on an app with Qt Quick Components, I don't want to use any Ubuntu specific components because I want the desktop version of my app to be more portable than that (Qt 5.2 is enough of a ...
1
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0answers
47 views

'__FDELT' and '__FDMASK' not declared in this scope (posix_types.h not included)

I'm running Ubuntu 12.04 LTS, 64bit version. I'm getting the following error when compiling a C++ program: ../elements/userlevel/socket.cc:477: error: '__FDELT' was not declared in this scope ...
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54 views

How do I set the F77 environment variable to gfortran?

I'm new Ubuntu (and linux) user. In order to do my senior project, I have to install psrchive I use this command to install psrchive ./psrsoft/bin/psrsoft psrchive --no-cfitsio This is part of ...
1
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0answers
182 views

A right path to CPP SDK for using it in IntelliJ Idea's cpp-project

I can't find the right path to CPP SDK which is required by IntelliJ Idea, IDE I want to use for development a C++ project. Could someone show me the right place? screenshot here ...
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0answers
50 views

Way to catch shutdown event in Unity, Ubuntu 13.04

I'm developing gui application (C++/Qt) and now search for correct(documented) termination way for application. Is there any documentation how Unity DE notifies gui applications to exit (some analog ...
1
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0answers
174 views

Program not running properly when run in terminal

I am running C++ programs using the Gnome terminal emulator in Ubuntu 10.04. The program has a number of steps and I get the program to print something to terminal after every one to tell me how far ...
1
vote
0answers
302 views

C Time.h functions erratic on Precise 12.04

I'm running Ubuntu 12.04 and using the gcc compiler to compile my C/C++ programs. I want to benchmark a function. AFAIK, there are two standard functions to calculate time on POSIX systems and both ...
1
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0answers
275 views

How can I use Stroustrup's graphics libraries (Simple_window.h, Graph.h,…) in Netbeans

I'm reading and learning Bjarne Stroustrup's "Programming principles and practice using C++". I want to use graphics libraries from chapter 12-16 in Netbeans 7.3. I have already added header files ...
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0answers
350 views

WebCam logitech C905 control in C++ and OpenCV

I am trying to change the the resolution of my webcam from inside my c++ program, which APIs can I use? where can I find copy/paste examples? My webcam works nicely under 12.10 and I can change the ...
1
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0answers
210 views

jQuery in Doxygen generated API documentation

I am using Doxygen on Ubuntu 12.10 to generate API documentation for a C++ library and demon. This works fine with one issue, I can not seem to resolve. Doxygen uses jQuery in the generated files to ...
1
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0answers
57 views

After upgrading packages today, can't compile anything that includes <locale>

I just updated my packages today on Ubuntu 12.04 amd64, including libc-bin which provides /usr/bin/locale, and now any C/C++ program that has #include <locale> explodes hundreds of errors ...
0
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0answers
20 views

Sublime-Text 3 build and run in terminal

So I'm using sublime-text 3 for programming. I write PHP, Python and C++. I like that Sublime-Text is able to compile my code. But problem is that when I want to use input in C++ or Python, then ...
0
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0answers
35 views

How to install C++ libraries in Ubuntu 14.04

I've been searching for a couple of hours but I haven't found anything yet. I want to know which is the preferred method for installing C/C++ libraries in Ubuntu 14.04. Is there a CLI command or ...
0
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0answers
22 views

c++ compiler errors using make across multiple projects

I'm trying to install an LC3 assembler for school. I run the config script and type make and a several weird compiler errors pop up. I tried this building simpl and just now lc3db Here's output (the ...
0
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0answers
12 views

No SDLIMAGE found while running ./configure file

recently i installed libsdl1.2-dev to install a game, after installing it in system. I run ./configure file and I am getting new error checking for sdl-config... /usr/bin/sdl-config checking for SDL ...
0
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47 views

HelloWorld doesn't work in Eclipse

I just installed both eclipse and eclipse-cdt and tested it with "HelloWorld" in C++ perspective. It reported "cout wasn't declared in this scope". Then I used a texteditor to write exactly the same ...
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58 views

C/C++ Query EDID at boot time

I'm looking for a way to query EDID data at boot time on my Android system. I think I can use ioctl calls and I see that the frame buffers are at /sys/class/graphics/fb*. But currently I'm just ...
0
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0answers
135 views

Code Blocks dialog when build: “It seems that this file has not been built yet”

I have a problem when I use Code Blocks to program C++ on Ubuntu, when I press run, a dialog appeared: "It seems that this file has not been built yet" with three option: No, Cancel or Yes. If I ...
0
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0answers
139 views

Skipping incompatible error when compiling mysql library using arm-linux-gnueabihf

All problems posted related to mysql library use standard gcc compiler. However, I need to compile a project running on a beaglebone black device. Hence, I am using arm-linux-gnueabihf-gcc instead of ...
0
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0answers
17 views

building problem with boost after upgrading ubuntu

I have a code that i can build and everything was working until I decide to upgrade my version of ubuntu for the 14.04 one. Now I have this kind of error messages : ...
0
votes
0answers
33 views

c++ debug jump back netbeans and eclipse

All the latest netbean ide and eclipse ide for c++ open some project and then rebuild and debug, it will somehow jump back to somewhere when I press step over,like this (from 44 to 40): Can ...
0
votes
0answers
15 views

How to connect a Button to FileDialog function in ubuntu sdk?

I've just started to deploy my first application for Ubuntu using QtCreator 3.1.1 based on Qt5.2.1 on Ubuntu 14.10.. I need to open some video files, so I'm going to put a Button to choose file ...
0
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27 views

C++ mounting samba share with glibmm

I'm trying to mount samba shared folders with C++. I found that with glibmm library I can do that, but I can't find any examples or tutorials. Somebody could post some example code? Thanks.
0
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22 views

Qt-> how to set ALT key active

Can someone please explain how to set the Alt key as active permanently? I'm trying to make an application for Ubuntu and I need to make it active. I want to add it to the code below in the if ...
0
votes
0answers
24 views

Prolog-C++ inteface doesnt work

I want to use prolog in C++ as a knowledge base or logical service(Embedded prolog in C++). I've searched alot but found nothing which can help me. I also checked the official link: ...
0
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0answers
47 views

excel query in qt

I have a program to connect with excel file. my excel file contains usernames and passwords of users who has access Permission to application. in interface of the program i have two QlineEdit(one for ...
0
votes
0answers
27 views

Qt C++ windowMinimized no reaction on Ubuntu

Heloo all! Me and a friend are creating an app for linux, everyting works but the custom minimize button doesnt whant to work on Ubunutu 14.04, there is no reaction when presed clicked an so on. Any ...
0
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0answers
207 views

cmake: Configured compiler /usr/bin/c++ does not support thread local storage

I'm trying to build Geant4. I got some problem on cmake that I have no idea what to do. Whenever I try to build on home directory, everything works just fine. Here's the output: ...
0
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0answers
32 views

How do I add C++ Source and Header Files to UbuntuSDK Project?

I am trying to add some C++ Code to an Ubuntu SDK Project which is (GUI) based in QML. Unfortunately I can't seem to understand how I am supposed to do this. Usually QTCreator allows me to right click ...
0
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0answers
24 views

customized run of C++ program in Eclipse CDT on ubuntu

I have a folder of source codes, which using the make simply it generates diferent binary files. Y1,Y2,Y3, ..Y6, which are different versions of the program. For the build process in Eclipse, ...
0
votes
0answers
407 views

Cmake fails while configuring OpenCV

I'm trying to buid OpenCV and use it in Qt. I have installed all required packages for OpenCV and Qt, after that I tried too run cmake -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local ...
0
votes
0answers
34 views

Remote control of C++ program in Ubuntu via HTTPS

I have an emulator program written in C++ running on Ubuntu 12.04. There are some settings and options needed for running the program. I need to query and control these options via HTTPS from a remote ...
0
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0answers
167 views

How can I use C++11's <regex> on Ubuntu?

I normally use the G++ compiler, but I don't have anything against using clang++. Reading about this, I get the idea that G++'s implementation of C++11's regex might not compile, and if it does, it ...
0
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0answers
34 views

What are differences in Ubuntu C++ programming and Windows C++ programming?

The getch() function has to be replaced by getchar() in G++ (or any other compiler for that matter) for successful compilation. I am new to Ubuntu, so I would like to know what are the other possible ...
0
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0answers
400 views

g++ 4.8.2 on ubuntu 14.04 fails to compile source files

I'm really frustrated at present in that g++ is throwing up so many errors even on a simple .cpp file. I'm typing: g++ test.cpp at the command line. Thanks in advance for any help. I downloaded g++ ...
0
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0answers
34 views

Open NFC Compilation - g_pNALBinding error while compiling microread/hal_*

for generating the server application using AARDVARK, to access the NFCC, when I am entering make command in this directory: core/porting/linux/client_server/server/microread/hal_cc_client . ...
0
votes
0answers
170 views

Buliding and running NS-3 based program and doing all that trough Geany

everyone! Now, I wanted to set up my Geany so I can build, compile and execute any NS-3 based program instead of always using console way and compiling there the program and executing again in the ...
0
votes
0answers
406 views

“Code 126: Permission Denied” when using GDB Debugger

I have written a piece of C++ code and am trying to debug that using GDB Debugger. The code uses bunch of libraries, so I am using a make-file to compile and link all the required libraries, which I ...
0
votes
0answers
230 views

How to take screenshot in jpeg format using ubuntu tools only

i need to develope a cpp software to capture screenshot ( in jpeg format ) and send images's bytes through a socket. I created correctly the server socket but i don't know how to take a screenshot ...
0
votes
0answers
88 views

undefined reference to gl/glut functions

I'm trying to compile a c++/opengl program I created on another machine running Debian on this machine running ubuntu. I'm pretty sure I've installed all the required libraries that I need. When I ...
0
votes
0answers
15 views

Ubuntu Gtkmm 3 window resize

I have a window and this is it's size: window->set_default_size(600, 400); The problem is when i set this: window->set_resizable(false); The window will shrink. Look in picture: below ...