C++ is a general-purpose programming language.

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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 ...
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2answers
174 views

read from text file in qml qt/quick

I have a program to preview images that store every image's path (all images are in my computer) in text file. first i open text file and read line by line images paths and store to a list then i ...
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1answer
149 views

Read lines from a text file in QML Qt/Quick

I need open a text file and read it's contents line by line and store each lines in a string list in qt quick 2.2. Can every one help me?
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0answers
68 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 ...
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0answers
32 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 ...
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0answers
234 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: ...
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1answer
988 views

Cannot find boost-thread-mt library

I am compiling a program which requires boost-thread-mt library. I have installed libboost-all-dev using sudo apt-get install libboost-all-dev but compiler says that it cannot find boost-thread-mt ...
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1answer
215 views

emit signal with custom type objects array parameter from c++ and receive in qml

I would like to emit a signal from a Qt C++ class which includes a parameter that is an array of custom objects (inherited from QObject) and receive the parameter in its qml slot, but i'm afraid it is ...
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1answer
115 views

Random number generation

I have generated random numbers in turbo C++ ( DOS) by using random command. Again, I have generated random number in ubuntu C++ by using srand and rand commands. Both the random generations are not ...
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1answer
250 views

CrossCompiling with libboost for ARM architecture

I am using a 32 Bit Ubuntu system and my goal is to compile my C++ program for arm architecture (beagleblack). However, my C++ program needs libboost meaning I get errors like this while compiling: ...
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0answers
110 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 ...
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36 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 ...
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1answer
95 views

C++ system() function for further arguments in ubuntu

I didn't really know how to even look for the solution for this one. My problem is, how to execute system commands in c++ using function system(); but for more arguments(Come on it sounds awful). Let ...
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1answer
87 views

Ubuntu SDK: QML with C++ recommended App Design Methodology

Are there documented general guidelines for mixing QML with C++ for ubuntu apps? "QML for UI design and C++ for logic" seems to be the trend. Is this the right way forward?
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1answer
505 views

Issues with importing existing source C++ code in Eclipse CDT

I have cloned an emulator's source code from git, and would like to work on it on Eclipse CDT on my Ubuntu 12.04. I have tried different ways, such as creating a hello world project, and simply ...
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26 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, ...
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2answers
114 views

How do I compile a C++ program I made in vim?

Whenever I type in g++ toe.ccp this comes up: /usr/bin/ld:toe.ccp: file format not recognized; treating as linker script /usr/bin/ld:toe.ccp:1: syntax error collect2: ld returned 1 exit status
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0answers
495 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 ...
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0answers
41 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 ...
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1answer
418 views

Unmet dependencies for libstdc++

When i type: sudo apt-get install libstdc++ i got: The following packages have unmet dependencies: libstdc++-4.8-doc : Conflicts: libstdc++6-4.4-doc but 4.4.7-8ubuntu1 is to be installed ...
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2answers
1k views

Are there drivers for OpenGL 4.3 for [AMD/ATI] Seymour [Radeon HD 6400M/7400M Series] (Ubuntu 14.04)

I want to be able to do opengl4.3 c/c++ programming, the [AMD/ATI] Seymour [Radeon HD 6400M/7400M Series] should be able to support it, I just don't know what drivers I have to install Also I have ...
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214 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 ...
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3answers
270 views

Unmet dependencies libc++ [duplicate]

How should I correctly install clang's c++ library (with STL) on my lubuntu machine? I want to use clang and its c++ library because it offers better support for the upcoming c++14 standard. When ...
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0answers
82 views

Why is gdb progfile producing a segmentation fault? [closed]

I have a g++ project and would like to debug it using gdb. Opening gdb with the program as an argument produces the following output: Reading symbols from <my_app_name>...Segmentation fault ...
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37 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 ...
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35 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 ...
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0answers
50 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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1answer
130 views

How to set /usr/bin/i586-mingw32msvc-g++ to gww?

I use cross compiling for C++ using MinGW... I use /usr/bin/i586-mingw32msvc-g++ filename.cpp to compile, but I want to be able to type gww filename.cpp I think I need to set a PATH ...
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424 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++ ...
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1answer
321 views

OpenGL in Ubuntu [closed]

I'm new to ubuntu. I'm using openGL in visual studio 2010 in windows platform using c++ language. Now I'm migrate to ubuntu 12.04. Can I do the same on ubuntu? If yes. what is the way I have to do.. ( ...
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2answers
30 views

ubuntu packaging help

HI I have been using Ubuntu for a while now and would like to create Apps for Ubuntu. I have made a fun game and would like to have it in the software centre but I do not know how to create a debian ...
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2answers
53 views

Why standard output is not printed on command line? [closed]

I'm new in programming. I run simple C++ program, like this: #include <iostream> int main(int argc, char *argv[]) { std::cout<<"What?";} by using the terminal by typing g++ Program.cpp. ...
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40 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 . ...
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0answers
214 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 ...
2
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0answers
58 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 ...
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1answer
873 views

Install opencv eclipse

I am using ubuntu 13.10 and I am trying to install opencv on eclipse. I am following this tutorial LINK I do not know where is my library. This what I obtain when I try to find the files. ...
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0answers
460 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 ...
2
votes
1answer
145 views

Why wouldn't sound be heard on the phone when it works on the desktop with an Ubuntu Touch app?

I have an Ubuntu Touch application in the works. The application needs to playback sound. I've used QtMultimedia from C++ for sound playback. The sound plays fine on PC but not on the phone. The odd ...
8
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1answer
202 views

apt-get install <package> equivalent using C++ apt-pkg library

I am building a small QT (C++) application where I ask user the software he want to install. Once he selected some packages a, b, c from the list all I have to do is run sudo apt-get install a b c ...
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1answer
103 views

Unable to generate core dump after apport disable

Hi I'm currently programming c++ on Ubuntu and am unable to generate a core dump with a segmentation fault. I just get "Segementation fault" and not the (core dump) I have set ulimit -c unlimited. I ...
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1answer
613 views

Netbeans and codelite do not recognize #include <iostream> C++

I recently decided try learn a bit of programming, so I wrote my " hello world" and it did not work. This is my code #include <iostream> using namespace std; int main() { cout << "hello ...
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1answer
285 views

undefined reference to `dlopen' despite CMAKE_DL_LIBS

I'm trying to install the tools for gameplay3d. After following the cmake installation instructions, I get this error: Linking CXX executable gameplay-encoder /usr/lib/gcc4/x64/release/libfbxsdk.so: ...
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0answers
65 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 ...
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0answers
250 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 ...
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1answer
53 views

How to add paths in ubuntu

I know that this is a very popular question with a lot of threads already about it, but unfortunately after trying some of the suggestions I didn't manage to solve my problem, so I am posting a new ...
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1answer
109 views

what is the best editor for C++. I want to use C++ for my Masters project [duplicate]

what is the best editor for C++. I want to use C++ for my Masters project. Please suggest the best editor for C++
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0answers
107 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 ...
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1answer
126 views

Cannot find -lxi

I am trying to compile and run an OpenGL/GLUT program i created on another pc on my virtual machine ubuntu at home. I've installed freeglut3 and the other OpenGL libraries, but when I try to compile I ...
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1answer
5k views

Fatal error: gl/glut.h: no such file or directory [closed]

I've been learning C++ and I'm attempting to write a program. I keep getting this error. I've read through other similar problems that people were having, and nothing has worked for me.
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17 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 ...