C++ is a general-purpose programming language.

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1answer
158 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 ...
2
votes
1answer
598 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 ...
0
votes
1answer
211 views

Memory allocation of C++ in Ubuntu

First of all, I'm sorry if the question doesn't belong here. I want to make sure whether this issue has to do something with my Ubuntu. The C++ code below makes 2621440 integer variables. Each ...
2
votes
1answer
212 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 ...
0
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3answers
369 views

How to open a crontab file in c++

I am working on a QT application which makes the usage of crontab easier with GUI. But I am facing the trouble of including the jobs in the crontab file from my application . So how do i open a ...
2
votes
1answer
641 views

i want to open a file in the root directory in my c++ application in write mode.

I have a file in the root directory which I want to open for editing in my QT application. Generally we use "sudo (editor) filepath" to open the file with roots permissions. But i want to achieve ...
1
vote
0answers
265 views

Will gcc >= 4.7 ever come officially to 12.04? [duplicate]

We have ubuntu 12.04 LTS installed at our systems, and we would like to use gcc >= 4.7 for C++11 support. Will a version of gcc >= 4.7 be added to the standard repositories (any time soon) or will the ...
0
votes
1answer
64 views

Can't install C++ library

I want to install the C++ library, but the terminal keeps asking me to insert the CD for installation. What CD? Here is the terminal code I used to attempt to install with: sudo apt-get install ...
0
votes
1answer
948 views

Compiling a DLL project written in c++

I am new to Linux, but I have tried Ubuntu for basic stuff and I really like it. I want to explore the possibility to switch from Windows. However, at the moment I am working with Microsoft Visual ...
12
votes
4answers
3k views

Run system commands from QML App

I want to run a system command from inside my application. It's suppose to run a command on a remote server using SSH. But that's not really the point. The point is that I don't know how to run any ...
0
votes
1answer
865 views

Additional source directories using Geany

I'm using Geany in Ubuntu as an IDE for a C++ Project, and I want to use some external libraries (from Webots). However, I don't find the option to specify additional library paths (as one can find in ...
0
votes
1answer
540 views

C++ Compiler Program IDE [duplicate]

I have just installed Ubuntu 12.10 on my old laptop and I want to start working on it. Is there any program like Visual Studio for Ubuntu 12.10?
2
votes
2answers
1k 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.
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3answers
2k views

Choosing C++ debugger on linux

I recently changed from Windows where I was using Qt Creator to Ubuntu. The problem is that Qt Creator in Ubuntu can't properly debug due to some problem attaching ptrace to the program which was ...
1
vote
0answers
337 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 ...
0
votes
2answers
2k views

Installing Eclipse with Java and CDT

Long story short, my computer got a virus yesterday and when I tried to re-image the computer, I accidentally wiped out Windows. While I'm waiting for a Windows 8 OEM disc to get here in the mail, I ...
0
votes
1answer
112 views

Check Shutdown Privilege

I'm trying to make a C++ program on Ubuntu that checks if a user can shutdown the PC, and, if so, shut it down for him. So, I'm thinking about getting the user ID, and then, checking if, or if not, ...
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votes
2answers
115 views

programming c++ [closed]

Heyy Can somebody help me with c++? I know this is maybe not the best place but I don't find anything on the web. So i want to do a if-statement like this if(*it == '\') { //do something } ...
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5answers
4k views

How run C++ in Geany Ubuntu 12.10

I want run C++ in Geany, but I got a problem. Before I run Pascal but cannot run. Then I installed fpc success run fine. And I run C++, appear error in terminal : ./geany_run_script.sh: 5: ...
0
votes
1answer
3k views

Decrypting *.SO file [closed]

Situation: Long back i developed some coding in C and C++, by converting to *.SO file - i deleted those C and C++ files. Issue: I want to re-convert the *.SO files into C and C++ files for the code ...
1
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0answers
311 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 ...
0
votes
1answer
556 views

Trying to compile Magic Set Editor

When I try to compile magicseteditor I get these errors: g++ -DHAVE_CONFIG_H -I. -I./src -I/usr/lib/i386-linux-gnu/wx/include/base-unicode-debug-2.8 -I/usr/include/wx-2.8 -D_FILE_OFFSET_BITS=64 ...
1
vote
0answers
14 views

curl/types.h file or directory not found [duplicate]

I have a cpp code to compile but while compiling it is showing the error of curl/types.h file or directory not found, compilation error, fatal error. I am using ubuntu 12.10. please help me to fix ...
0
votes
2answers
337 views

Errors in a simple C++ program [closed]

#include<iostream> int main() { char ch = 'A'; int num = ch; cout << "The ASCII code for " << ch << "is " << num << "\n"; cout << "Adding 1 ...
0
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3answers
1k views

Error while installing tiff-4.0.3

I get the following errors while installing tiff-4.0.3: pranav@pranav-Inspiron-1545:~$ cd dependency/ pranav@pranav-Inspiron-1545:~/dependency$ tar -xvf libtiff4-3.6.0-5.tar.bz2 usr/bin/cygtiff4.dll ...
1
vote
1answer
771 views

how to install c++ fastcgi development library?

I can't seem to find anything on this. I know apt-get install, but I don't know the name of the package for the standard c++ fastcgi development library. What is it?
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votes
2answers
154 views

Is there any C/C++ Runtime Enviorment for Ubuntu?

I am a C/C++ developer. I would like to run my .exe programs on my computer (which only has Ubuntu on it). I would like to know if there are any C/C++ Runtime Enviroments out there.
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votes
2answers
2k views

Programming Opengl ES in Ubuntu

I want to program somthing using opengl es , i search software center for anything related and i found libgles1-mesa-dev , then i wrote a simple main program and included : #include ...
5
votes
1answer
962 views

Where is the documentation for programming OpenGL ES for Ubuntu Touch?

How can I program an OpenGL ES program for Ubuntu Touch? I have installed QtCreator and the Ubuntu SDK, but I can't seem to find any documentation about this topic.
1
vote
1answer
2k views

How to compile a c++11 program using future in Ubuntu 12.04?

I'm trying to compile a c++ program in Ubuntu 12.04. I'm using g++ 4.7 (installed from a ppa). I'm using std::future, but I have an error. The code: $ cat main.cpp #include <iostream> ...
1
vote
1answer
583 views

Where can I find a Simple Hello World example for Ubuntu SDK (QT)?

I've been trying to get a simple window with button. And i have no idea on how to "bind" a button from the QML thing to a C/C++ function for example. I followed the example from developer.ubuntu.com ...
3
votes
1answer
138 views

Can't get iconify() and deiconify() to work properly

I'm writing app for Ubuntu with C++ and Gtkmm. In my app i use libappindicator to show icon with simple menu in notification area. Icon and menu works ok, i can minimize window to panel (using ...
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0answers
366 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
vote
0answers
222 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 ...
0
votes
1answer
712 views

Howto get the number of available updates/security-updates in ubuntu server

I'm writing a small daemon in c/c++ and I need to get the number of updates available and how many of them are security updates. So far I know I could use either update-notifier or nagios but just for ...
4
votes
3answers
1k views

How do I compile/run C++ code in the console?

I'm trying to run my C++ code using the console. I used the header file conio.h like I did when I used Turbo C++ IDE in Windows, and I ran the code in console using g++ filename.cpp I have ...
3
votes
2answers
291 views

Is there any ubuntu API?

in Windows, a programmer can use Windows API to write a Windows application. Windows API can be used with C (not necessarily C++). In Windows API you have a message loop and you have to program ...
6
votes
1answer
3k views

Where to install libraries manually?

I want to install SFML (a free multimedia C++ API) on my Ubuntu system, which basically isn't a problem. But I wanted to know where I should store the files. I can see, that Ubuntu stores my C++ ...
2
votes
1answer
105 views

How to write rtf on ubuntu?

I have a program to read and write rtf, doc, docx, pdf,... file. So, do you know the lib or program to process these files, especially rtf.
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0answers
60 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 ...
3
votes
1answer
103 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 ...
5
votes
3answers
608 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 ...
8
votes
3answers
5k views

Receiving error while trying to debug in QtProject

I installed the latest version of the QtProject so now I can debug C++ code. While trying to debug for the first time I got this error: ptrace: Operation not permitted. Could not attach to the ...
0
votes
1answer
2k views

OpenCV program won't compile (Quantal)

I am trying to compile a simple program using OpenCV in Ubuntu Quantal. I have installed all the OpenCV packages available. My code is the following #include <stdio.h> #include ...
0
votes
0answers
72 views

Is there a C/C++ compiler for Ubuntu? [duplicate]

Possible Duplicate: Can I use a C/C++ compiler? Is there a good C/C++ compiler out there for Ubuntu? I'm going to be learning C soon and would like to know if I should just use windows for ...
0
votes
3answers
2k views

Using Visual Studio for Ubuntu? [duplicate]

Possible Duplicate: What IDEs are available for Ubuntu? I would like to make programs in C++ for Ubuntu and Windows. I will be using visual studio on a Windows PC for the programming. I ...
0
votes
2answers
234 views

Why does qt-creator need to connect to google-analytics?

I just installed qt-creator to work on non-qt C++ projects. The installed version is 2.5.0 (Based on Qt 4.8.2 32-bit) If I click on any of these pages: I get this error: I realized that ...
3
votes
1answer
241 views

C++ programming - Is there a way to make gedit recognize new classes?

I'm C++ programming in ubuntu 12.04 using gedit and it recognizes c++ default commands. I was wondering if I can make it able to recognize the new classes I define and change their color in the code ...
4
votes
1answer
2k views

I can't compile a C++ program with the g++ command

If I try compiling my C++ source file by the following command: g++ a.cpp it outputs: The program 'g++' can be found in the following packages: * g++ * pentium builder try: sudo apt-get intsall ...
1
vote
1answer
795 views

libxml2 package installed but cannot include, building libaiml

I am trying to build a library (libaiml). I was having problems installing the library using normal methods: ./configure ; make ; make install In the README, the author says you should use this ...