C++ is a general-purpose programming language.

learn more… | top users | synonyms

4
votes
0answers
727 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; } ...
0
votes
2answers
55 views

Application development in Ubuntu using C++

I want to write applications for Ubuntu. I do not know much about programming, but I want develop for Ubuntu. I am trying to learn C++ right now. What do you think is the best way to develop apps for ...
1
vote
3answers
199 views

Why am I getting these undefined errors when I compile a C++ program in terminal?

I have a C++ program that compiles and runs perfectly in Code Blocks. However when I try to compile it from the terminal using: gcc -g main.cpp -o Main I get a lot of undefined references: And ...
0
votes
1answer
94 views

920828 - how to open and build a VS2010 solution in precise?

Is it possible to open a VS2010 solution in an IDE environment and build it and get the same output in ubuntu? I mean pressing F5 runs the program (maybe via Wine) in the same way? I don't mean .Net ...
4
votes
0answers
408 views

QtCreator creates unwanted windows [closed]

This issue occurs on raring with the build "qtcreator 2.8.1-0ubuntu1~raring1~test1", the latest from the software center. It works fine in general, but if you click on "Welcome" and than on "Develop", ...
0
votes
1answer
371 views

log4cxx/logger.h or libcql/cql.hpp fatal error while doing make -j4

I am running make -j4 and I am getting below exception... userName@phx5qa01c-4e23:~/build$ make -j4 [ 1%] [ 2%] Building CXX object nda/common/loadtest/CMakeFiles/loadtester.dir/LoadTester.cc.o ...
0
votes
1answer
408 views

Why isn't the cppconn folder in /usr/include?

I am new to C++. I am trying to make a MySQL connection. I found that it requires mysql-connector. I installed boost-dev-all . I have put my mysql-connector in local directory ~/bin. I have ...
0
votes
1answer
144 views

Unable to compile programs in Ubuntu with Geany

I'm having trouble compiling a simple C++ program in Geany. The result is same even if i just use terminal(not using Geany).
19
votes
3answers
3k views

Is it possible to use Python with the Ubuntu SDK?

David Planella wrote in his answer to a question I posted that: ...the recommended way to develop apps for Ubuntu is the Ubuntu SDK. So I installed it, but looks like the supported programming ...
3
votes
1answer
8k views

Error : Cannot run C compiled programs. if you meant to cross compile use --host' Ubuntu

I'm completely new to Ubuntu I downloaded and unpacked a tar.gz package, after extraction, it is said in its documentation : "type ./configure --disable-gts" But when I run this command alone it ...
0
votes
1answer
527 views

Gtk: Webkit WebView C++ (can't load url + awkward terminal output)

I am trying to include a webkit webview within my c++ application. My project uses Glade ui, and I embedded webview into a scrolled window. What I do not understand at all is this awkward output + ...
0
votes
1answer
323 views

Make a c++ project in eclipse

I installed eclipse, jdk ,gcc and g++. When I open eclipse and want to make a new project, I have no option for a c++ project. what do you think?
1
vote
0answers
5k views

Trying to compile Opencv C++ code getting some Reference error [closed]

do we have to give path for OpenCV in Ubuntu 13.04.If so Tell me that also ? This is code : #include "opencv2/opencv.hpp" #include "opencv2/video/video.hpp" #include "opencv2/highgui/highgui.hpp" ...
1
vote
0answers
209 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 ...
5
votes
3answers
739 views

How can I use code or a script to lock my screen programmatically in Lubuntu?

I want to write code or a script to lock the PC when my C++ program receives a specific command from Ethernet. Is there any way to show the Login screen from the command line? I want to lock the ...
3
votes
2answers
1k views

what is the purpose and role of rules file in debian packaging

I am trying to debian package my C++ application developed with aid of Netbeans 7.3. Here is bit of Makefile of it. APPNAME=remotedevicecontroller install: install config.xml ...
2
votes
1answer
466 views

undefined reference to `GDALAllRegister' [closed]

I have problem with gdal. I am currently working on Ubuntu and the IDE is Eclipse CDT i have given my code below and i have also installed the gdal package but it gives build errors #include ...
1
vote
1answer
381 views

What is changelog.Debian.gz file during packaging?

while packaging I encountered following error dh_builddeb dpkg-deb: building package `remotedevicecontroller' in `../remotedevicecontroller_1.0-1_i386.deb'. dpkg-source -b remotedevicecontroller-1.0 ...
0
votes
1answer
314 views

can use c++ write custom qml plugins in ubuntu sdk [closed]

Recently, I want to develop a app for ubuntu showdown, but I want to use some plugins use c++. So I want to write custom plugins, then I create a project with qml extension library. However, when I ...
0
votes
0answers
112 views

Not sure which IDE I should use for editing codes written in C [duplicate]

I am looking for an IDE which I can use to edit/compile/run C/C++ codes on my Ubuntu 13.04 installation. I have been checking the forum for information, and I found Anjuta being suggested by a few ...
0
votes
1answer
5k views

Couldn't find any package by regex libstdc++.so.5 libexpat.so.0 in 32-bit ubuntu 12.04

While installing a software wink, I got stdc++ and lib expat packages not found. prayag@prayag:~/wink$ ./installer.sh Wink requires that the following packages be installed to run properly. Please ...
1
vote
1answer
354 views

GtkSourceView in Glade and C++

I try to develop a text editor in C++ and Gtkmm using Glade but I have a problem. When I try to run the program, I have the following message:"BuilderError: Invalid object type `GtkSourceView'". I ...
1
vote
1answer
147 views

C++ graphic on Geany + Xlib + BadAlloc = destroyed Friday

I have been trying to run a C++ program using Geany, and now, after ages of coding, I want to test the program. This is what comes up: Xlib: extension "NV-GLX" missing on display ":0". X Error of ...
0
votes
1answer
2k views

Problem using graphics.h in Ubuntu

# include<stdio.h> # include<graphics.h> # include<math.h> using namespace std; int main(void) { int gd=DETECT,gm; int r,x,y,p,xc=320,yc=240; ...
1
vote
1answer
1k views

MAC OS X virtualization with KVM on the mac mini : seabios error

Since I'm a legal owner of the first generation of Mac Mini with a regular Snow Leopard license,I'm trying to follow this tutorial with the goal to virtualize Mac Os X with KVM on the second part of ...
1
vote
1answer
70 views

What are some Ubuntu projects to contribute?

I decided to take part upon developing Ubuntu applications although I am having trouble finding projects to contribute in C, C++, C# and Java at Launchpad (not necessarily Launchpad alone). Can you ...
4
votes
1answer
629 views

Arrow keys in Terminal shortcut don't work

I am new to Linux and am using Ubuntu 13.04. I have a C++ program named "dictionary" (full path: /home/anmol/Desktop/c++/dictionary), which I compiled with Code::Blocks IDE (and GCC version 4.7.3). ...
1
vote
1answer
72 views

Start application in the background on GNOME

Is there a way to avoid bringing an application to the front when opening it? I'm launching an app several times trough a terminal window (running a custom c++ program) and it keeps popping up when ...
0
votes
1answer
1k views

How do I set up pretty printing gdb 7.5

I thought gdb 7.0 and higher has pretty printing included in it but I might be wrong? Can someone point me to the correct way to use this? Do I need to create a .gdbinit file for this? I tried copying ...
1
vote
1answer
2k views

How to install cocos2dx on Ubuntu 13.04?

I have Ubuntu 13.04 on my laptop. I need to install cocos2dx on it. Does any one know how to install it? Please explain how to install.
1
vote
1answer
293 views

Is Ubuntu more suited for Python based apps?

My question is simple. Is Ubuntu more optimized for text editor-like programs (Libre Office, Sublime Text, etc.) written in Python or not? Or there is no difference if I use C++, Python or Java in ...
1
vote
1answer
4k views

Modification of stack size by ulimit -s

When I type ulimit -s in terminal it shows 8192. Does it mean that in my C code I could only have local variable of 8192 bytes? I am confused which stack size. Does ulimit -s change when we modify ...
0
votes
1answer
869 views

QT4/5 Creator cannot find -lGL

I installed the ubuntu mobile SDK a while ago on my ubuntu 13.04 machine via http://developer.ubuntu.com/get-started/ After a few days there appeared a compiler/linker error - even when compiling the ...
1
vote
1answer
1k views

g++ error “sstream.tcc:112:39: error: expected unqualified-id before ‘(’ token”

I tried to install install one program at Ubuntu and it uses main.cpp .I dont know why but it gives always error.(main.cpp syntax correct 100%) and this program works without error @Mac system but not ...
7
votes
0answers
306 views

How can I run a command from a qml script? [duplicate]

I'm working on an Ubuntu Touch app that needs to modify iptables and do various other things that requires interaction with the command line. I found this and I understand that it must be done with a ...
4
votes
2answers
159 views

Do i need to know C++ to develop ubuntu app?

I'm a java developer. I dont know much about C++. should i learn C++ to develop ubuntu app? or can develop app without c++?
0
votes
1answer
479 views

Help with GDB on a C++ program

I am new to Ubuntu and am using the 12.04 version on my laptop. I am trying to execute a C++ program which has Petsc libraries installed in it. I get an error when trying to run the program and so ...
0
votes
1answer
190 views

How to add Password encryption

I have an encryption app that just encrypts a string and then can decrypt also.. But how can I make it so the user sets a password and the other person has to put in that password to decrypt the ...
3
votes
1answer
1k views

How do I get my compiler to locate the X11 header files?

I'm trying to use GLEW and XServer / X11 in a C++ app as instructed in Chapter 15 of the OpenGL Superbible, 5th ed. I'm using this Makefile: LIBDIRS = -L/usr/X11R6/lib -L/usr/X11R6/lib64 ...
3
votes
1answer
4k views

Once installed geos library (C++, and C), and then trying to install rgeos package (R), it reports geos-config missing!

Knowing that the package rgeos, from the R language, requieres a prior installation of geos libraries, I installed, both, libgeos and libgeos-c1 (3.2.2), using the synaptic installer in my Ubuntu ...
9
votes
2answers
2k views

Unity Launcher API for C++

I am trying to develop some program in QT with QT SDK. Yesterday I was reading about Unity Launcher API on official ubuntu website. But there is example only for Vala and python. Is possible to use ...
3
votes
1answer
1k views

How to install CLang using precompiled binaries?

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 ...
3
votes
1answer
112 views

C++ gtkmm-2.4 - How to calculate size of Unity Launcher/Panel?

I am using gtkmm-2.4 for my Ubuntu apps and to determine the size of the window for the application I use get_desktop_geometry. This returns the dimensions of the display you ask for. My issue is that ...
7
votes
2answers
2k views

How to pass the image preview from the QML Camera component to a C++ plugin

I'm writing an Ubuntu Touch QML app that captures and processes images from a camera device. The processing is done by a C++ plugin to which I'm passing the URL of the image. I can successfully save ...
-2
votes
1answer
300 views

Is Gcc 4.8.1 RELEASE available under raring 13.04 ? ( no snapshot, only release )

I need full c++11 support and I need gcc 4.8.1 release, I'm under Ubuntu 13.04 64 bit, there is a gcc-snapshot package in the repository, but it's outdated and it's an old pre-release version. It's ...
0
votes
1answer
60 views

routine program in ubuntu

I am trying to write a routine of my studies of next month. For that I want to write a timed schedule. That is a timed program that will tell me everytime I turn on my laptop which topics should I ...
1
vote
2answers
978 views

Can't run program in Netbeans 7.3

I recently installed Ubuntu 12.04 and installed Netbeans 7.3 on it (not the Ubuntu version, directly from the website). I'm trying to run a basic C++ program that uses Allegro 5 but, even though it ...
2
votes
1answer
223 views

Autocomplete while compiling a file with c++ is gone

I am using Ubuntu 13.04 and have been programming mostly in C++. I use vim editor and c++ command to compile my .cpp file. What I have noticed is after typing c++ and pressing the Tab key, an ...
2
votes
1answer
2k views

Ubuntu Touch app with c++ core and QML interface. How to create?

How to create Ubuntu Touch application with c++ core? In examples I see only pure QML apps.
2
votes
1answer
835 views

Why am I getting compile time errors in this C++ program?

I am new to Ubuntu and its terminal. I am trying to code C++ using nano something.cpp a general "Hello World" program at first. First I got some error about iostream.h and cout not recognised. I ...