Questions about programming for and on Ubuntu.

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3
votes
1answer
185 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 ...
2
votes
1answer
144 views

Ubuntu Touch App with Simple UI (QMake) - how to connect C++ to QML

I've noticed that the Ubuntu SDK now has a template for an 'App with Simple UI (QMake)'. This creates a C++ Ubuntu application project with a sample UI containing a Label and a Button (Needs a 15.04 ...
2
votes
1answer
179 views

How to add in-app advertising?

I'd like to code something cool for the ubuntu software center. I'll release my app for free, but I'd like to add some in-app advertising. Is it possible ? how can I do that ? is it hard ? Thanks to ...
1
vote
1answer
76 views

How to show Aptana Studio 3 in the “Open with” list?

I've downloaded Aptana Studio 3 from their site and installed it successfully. Now it is showing in the Dash search. Problem is that, when I right click on any file (i.e HTML, CSS, PHP etc.), the ...
1
vote
1answer
70 views

Ubuntu Phone - detect system type Desktop or Mobile

Is there a way to detect platform from QML or Qt C++ classes? I have Qt/QML project supplied to Linux/Android/Windows at one time, I see it's possible to deploy it to Ubuntu Phone. Is there a way to ...
1
vote
1answer
66 views

Catch program crash when there is no terminal

This question may belong to Unix/Linux in general, but I guess the answer is dependent on distro or desktop environment [I use KDE and Xfce so I would like an answer that is applicable on booth]. ...
1
vote
1answer
127 views

Sublime Text interface looks blurred

Suddenly my Sublime Text editor started to looks blurred. The screenshot talks by itself. No other program fails like this, just Sublime Text. Someone recognizes this painful behavior?
3
votes
0answers
249 views

(QML) Flickable not working as supposed

So, while building an Ubuntu app I needed to use Flickable for scrolling, so now I have code of the form Page{ ... Flickable { anchors.fill: parent content.height: element1.height + ...
2
votes
0answers
43 views

Two webcams of the same model are not working

I've been developing a dual webcam system for stereoscopic purposes, in a linux enviroment, using c++ with the opencv library The ideal setup would be with 2 webcams of the same model, but it didn't ...
2
votes
0answers
144 views

How can I detect screen rotation with QML

I've been trying to create a Ubuntu QML application, but when I rotate my screen while it is running on my tablet, the header is semitransparent and the content below is exceeding the screen's height ...
2
votes
0answers
31 views

Is there a Bool or Flag you can use in QML to determine whether a phone is running the application?

For example: Text { text: isPhone ? "this application is running on a phone" : "this application is not running on a phone" }
2
votes
0answers
403 views

Unable to start topcoder arena in Ubuntu 14.04

When I want to clear cache using javaws - viewer these error comes. I am trying to launch my topcoder arena. Picked up JAVA_TOOL_OPTIONS: -javaagent:/usr/share/java/jayatanaag.jar Exception in ...
2
votes
0answers
309 views

Blogengine.NET on mono

I'd like to set up the new 2.7 Blogengine on Mono using Ubuntu, but I experience issues with it. It has support for mono because there is another project called Blogengine.Web on Codeplex which is ...
2
votes
0answers
81 views

Both 64-bit and 32-bit support for development purposes

I'm looking for directions to complete in the most convenient way (well at least without lots of troubles) set up as in subject. I need (probably): 64 bit platform for running 64-bit Vmware Win7 ...
1
vote
0answers
46 views

What are the advantages of using GTK3 and GTK+3 over GTK-2?

I'm creating a utility program for Ubuntu in Python using GTK-2 and have been told by several people to use GTK3. Why would I want to do so, and would are the advantages of using it instead of GTK-2? ...
1
vote
0answers
62 views

How to get gnome session idle time?

Has the method to get the session idle time through dbus changed in the recent Ubuntu or my dbus code here is wrong? #!/usr/bin/env python import dbus bus_name = 'org.gnome.ScreenSaver' obj_path = ...
1
vote
0answers
23 views

I can't log back in my Ubuntu account after logging out (I have a cromebook acer C720)

I have installed ubuntu on my crome book (acer C720) and when I was updating something I dicided to log out (I usually hit shut down and I would be able to get back in) and now I can't get back in.
1
vote
0answers
89 views

How do I bundle a python interpreter in my qml app?

How do I bundle a python interpreter in my qml app? I can not use the system's python interpreter due to the nature of Ubuntu’s new Click Packages, and App-Armour. How do I do this?
1
vote
0answers
120 views

how to encode a shell script so others can run it but they can not read it

I want to encode a script, so others can run that script to get relevant result but when they run command cat it should throw output in encoded format.
1
vote
0answers
73 views

Scilab installation tcl tk configure not working

I am installing Scilab 4.1.2 in Ubuntu 12.04 manually. I entered the folder and pressed ./configure but after some steps it shows configure: error: header file tcl.h has been found for 8.4* but ...
1
vote
0answers
52 views

How do I Resolve a dependency issue with Ubuntu SDK, chroot, CMakelists, and the Emulator?

I am trying to build lp:ubuntu-filemanager-app on the ubuntu sdk for running on the emulator. The libraries I need are installed on my system, and in the phablet-shell. I can run the application in ...
1
vote
0answers
149 views

Anybody know how to delete a file from QML without resorting to a C++ plugin?

Anybody know how to delete a file from QML without resorting to a C++ plugin? It should be possible to do in the folder that my app uses for data storage.
1
vote
0answers
21 views

In the Ubuntu SDK, is there a way to view all global variables in current project?

In the Ubuntu SDK, is there a way to view all global variables in current project? Working on one of the core apps, and I want to figure out if any global variables have been defined for the current ...
1
vote
0answers
160 views

how to set mmap for better performance of raw socket

req.tp_block_size=96; req.tp_frame_size=96; req.tp_block_nr=2; req.tp_frame_nr=2; if ( (setsockopt(fd, SOL_PACKET, PACKET_RX_RING, (char *)&req, sizeof(req))) != 0 ) { perror("setsockopt()"); ...
1
vote
0answers
116 views

Simple voice chat over command line?

I will be using this for development. What I want is: No large proprietary blob overhead to accomplish this, like skype No account needed. So no skype account, no email, etc etc. Ability to run ...
1
vote
0answers
75 views

Recommended way to check/fire alarm in Python (PyGI/PyGTK)

I am learning to develop an application by using Quickly (quickly create ubuntu-application). This application will stay in Application Indicator / Notification Bar and only work when a defined ...
0
votes
0answers
17 views

Laptop for Ubuntu and Java programming

I want to buy a laptop for on the go programming. It does not matter if I would need to install Ubuntu on it, but it would be nice if it was pre-installed. I looked into purchasing a Chromebook and ...
0
votes
0answers
8 views

Is there a way to properly format an Ubuntu font?

I'm trying to distribute Ubuntu Mono Regular with a Media Player I'm developing: https://github.com/ki4jgt/SIMP It is my understanding that a font is defined like in line 27 uMono = ...
0
votes
0answers
26 views

How does Click/Snappy solve dependency issues?

There is a bit of confusion surrounding click and snappy. For one, I understand that there are certain packages that are not allowed to be shared due to app-armor. For example, if I write a Qt ...
0
votes
0answers
14 views

Would there be any disadvantages to using Pyglet for GUI programming?

On Linux systems (such as Ubuntu), would it present a problem to program a GUI (for a media player) using OpenGL? I don't like WXPython b/c it's ugly as poop and PyQt requires a license when being ...
0
votes
0answers
17 views

How do I install Game Maker

I went to a page that claimed to have sucessfully installed Gamemaker ( the old version 8.1 legacy program by Mark Overmarrs. However despite doing the following (after first seeing if WINE would do ...
0
votes
0answers
21 views

Is it acceptable code style to leave binding loops in QML applications?

Backstory: I am working on a patch for the ubuntu-filemanager-app that will shrink the fontSize: for a Label {}, if the width: is larger than the window size. Think this: Label { id: myLabel ...
0
votes
0answers
20 views

creating nested loop within ftp

echo "which stations you want to download (example input, brmu ankr) ? : " read stations echo "which years interval (example input, 2013 2015 or 2010 2010)? :" read year echo "which days of year ...
0
votes
0answers
76 views

How do I fix Blurry Sublime Text 3 graphics?

I have this problem where I get a lot of buggy visuals in Sublime Text 3, any help? I have the following packages installed: bracket highlighter, tag, trailing spaces, sublime linter buggy text ...
0
votes
0answers
33 views

Modifying user accounts using Java Ubuntu 14.04 LTS

I'm trying to make a java program that retrieves the list of users on the machine and allows the user to delete users that shouldn't be there. I'm really new to Ubuntu and I know on Windows you can ...
0
votes
0answers
78 views

Ubuntu 14.04 LTS + cnc plasma

I need some help with my project. I'd love to use Ubuntu 14.04 LTS for my cnc plasma table, but I don't know which programs do I need and how to install them (LinuxCNC does NOT work with my laptop so ...
0
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0answers
241 views

Arduino COM port

Everything was fine until arduino IDE suddenly closed my COM port and sent me a message about error when opening COM port. processing.app.SerialException: Error when opening serial port ...
0
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0answers
58 views

Programming and debugging embedded systems using Ubuntu

I have switched from Win7 to Ubuntu and I got some problems to configure toolchain for programming embedded systems. On Windows I have used Em::Blocks with GDB and J-Link from Segger. It was very ...
0
votes
0answers
14 views

grub cursor position

after an incident that happened years ago caused by tee, my "down" button didn't work anymore. Now I want to set my cursor position in to the bottom. My Aim is that I can use the up button to choose ...
0
votes
0answers
36 views

Fortran Compiler

I 'm programming in Eclipse platform,I intend to install Phortran compiler on eclipse but every time I try to install the plug-in,There 's an error in installation PTP,Distribution that I 'm using is ...
0
votes
0answers
30 views

Check a programming language module or library information before installing and downloading

With aptitude, we can do something like: aptitude search package-name to display availability. aptitude show package-name to display package information. aptitude why package-name to display reason ...
0
votes
0answers
197 views

Detect charset encoding

Need good tool to detect encoding of the strings using some kind of mapping or heuristic method. For example, String: áÞåàÐÝØÒ ÜÝÞÓÞ ßàØÛÞÖÕÝØÙ Java, ÜÞÖÝÞ ×ÐÝïâì Òáî ÔÞáâãßÝãî ßÐÜïâì Expected: ...
0
votes
0answers
295 views

Network Manager gui link to terminal network config listing 14.04

I am using 14.04. I am trying to figure out how the connections listed in Network Manager's GUI: is connected to the files found in /etc/NetworkManager/system-connections/ ...
0
votes
0answers
45 views

Extension to submit problem codes on Hackerearth, Codechef from editor

Is there any extension available in any editor to submit code directly from editor to the competitive programming sites like codechef, hackerearth, hackerrank, topcoder, codeforces etc.?
0
votes
0answers
62 views

Ubuntu 14.04 Color Variable Troubles

I have tried all the links from the first 2 pages of google searches regarding editting the LS_COLORS variable, but I can't get it to work as expected. I want all my source code files to show up as ...
0
votes
0answers
25 views

Ubuntu hangs while coding

Ubuntu 14.04 LTS, x64, 4GB RAM. When I launch Android Studio+ Intellij Idea it runs smooth, but at some point it just hangs to death. Especially if I will open 2-4 pages in google chrome, or start my ...
0
votes
0answers
98 views

If I want to test apps on the phone emulator, what kind of emulator do I have to build?

It recomends either i386, but there is an arm version as well; what is the difference? I tried running my app on the i386, but I got this error: 20:31:27: Running steps for project ...
0
votes
0answers
11 views

Page Stack Component Depth to always remain visible?

Is this possible? Say you have a depth of 5 tabs, They appear and disappear as you click the header. I want them to always remain visible.
0
votes
0answers
22 views

(QML) Which components do I want to invoke for notifcations and dialogues on Ubuntu Touch?

Now of course I can make any sort of notification or dialogue I want. However, I want to know what the Ubuntu Style guide recommends for notifications and dialogues. A notifcation could be: Song ...
-2
votes
0answers
24 views

How to run a C program that compiled on other linux distro?

I am using Ubuntu Linux and Kali Linux both so, I compiled a C program on Kali and tried to run on Ubuntu but it gave an error Permission Denied?