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Questions tagged [application-development]

Writing applications for Ubuntu (including Ubuntu Touch) and questions about the application submission process to the Ubuntu Software Center. This covers both open source and commercial applications.

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How to compile Linux kernel module: printk missing?

So I'm trying to compile a simple kernel module on Ubuntu 18.04, kernel 4-15.32 generic: #define MODULE #include <linux/module.h> #include <linux/kernel.h> int init_module(void){ ...
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1answer
47 views

How to create Ubuntu graphic C programs without Gtk?

Is there some sort of program or something to turn your text program graphical in C? Thank You, CCM
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0answers
25 views

Failing to import pandas in Anjuta “module functions cannot set METH_CLASS or METH_STATIC”

I have this boilerplate in a minimal Anjuta app that runs. I do not want to install pandas to the system python path so I am using Virtualenv. When I add import pandas as pd I get the following error ...
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0answers
96 views

How to install Ubuntu SDK in ubuntu 18.04 (bionic) and how to install the emulator? [duplicate]

Does Ubuntu SDK have support for Ubuntu 18.04 (bionic)? I have searched but the highest version of supported ppa in lauchpad is for Ubuntu 17. Please help and inform me.
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0answers
16 views

reac-native cannot load sdk components

I am new using ubuntu with react-native, I followed steps for starting new reactnative project install android studio create virtual device define ANDROID_HOME , PATH to my sdk all working fine but ...
0
votes
1answer
29 views

Problem running .net Core on Ubuntu Server [closed]

I have created a simple console app in .net Core 2.1 and compiled the following output: HelloWorld.deps.json HelloWorld.dll HelloWorld.pdb HelloWorld.runtimeconfig.dev.json HelloWorld....
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0answers
8 views

Use application data from remote server

This is only an experimental work. I have built a windows qt wallet for an altcoin. Hosted server with entire blockchain data (blk.dat) synced. The blockchain data file(blk.dat) is around 40GB in ...
1
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4answers
947 views

Lubuntu vs. Xubuntu for development [closed]

I've recently started to lose interest on having my work environment as Windows 10 for development in general. The continuous updates and programs which Windows somehow starts without my order is ...
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0answers
24 views

how to create $application.dektop file in /usr/share/applications? [duplicate]

I have install gle-graphics in ubuntu16.04, which is one graphics scripting language (GLE homepage). I can compile/build *.gle file with qgle. Now I got a problem. If I want to open a *.gle file ...
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0answers
74 views

Increase Popup time for Skype

Can we increase the Popup time for Skype in Ubuntu 18.04 LTS? Thanks in advance.
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0answers
16 views

Installing development system for local hosted applications

I want to develop an application that will run on the development system (local hosted). I downloaded the SDK for the voice card I am using, but need a development system. The SDK installer says gcc ...
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0answers
14 views

Ubuntu 14.04 slow on my laptop - what is quickest way to get Pebble SDK working?

I have installed Ubuntu 14.04 in VirtualBox on my old laptop (HP Pavilion dv6-6110us). It has a 500Gb SSD drive inside. But the response time for Ubuntu is very slow. i.e. Click - nothing happens, ...
1
vote
1answer
72 views

How do i build a program with QTCreator, .pro file?

im sort of new to Linux and i'd like some advice on how to build CalcProgrammer on Ubuntu 16.04 LTS. (https://github.com/CalcProgrammer1/KeyboardVisualizer) It is an LED keyboard audio visualizer ...
2
votes
1answer
807 views

Can I develop iOS Applications in Ubuntu without using a virtual mac OS system? [duplicate]

I'm a developer of Android applications and a java programmer. I'm learning IOS programming but I don't have mac OS; I use Ubuntu. I want way to program IOS apps in Ubuntu without using a virtual ...
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0answers
93 views

Running entity framework on ubuntu 18.04 in Rider IDE

I'm currently working on some ASP.NET app. Everything works fine until i want to use entity framework. I've installed entity framework package via NuGet package manager but i couldn't enable ...
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0answers
91 views

How to install Quickly in Ubuntu? [duplicate]

Unable to find in software center tried using command line also: sudo apt-get install quickly-ubuntu-template
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0answers
51 views

Ubuntu kept old partitions after reinstallation. How can I reallocate the space?

I am new to Ubuntu and after failing to resolve some package management problems, I'm trying to reinstall it. I'm using Windows 7 and Ubuntu 16.04 (dual boot). Now after the attempted reinstallation ...
38
votes
4answers
14k views

Is knowledge of C# of any use in a Linux system?

I know C# and I like to switch between systems and use Linux. Can I use C# to build applications that will natively work on Linux? What should I do to make use of my knowledge of C# in a Linux system? ...
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0answers
3k views

Android SDK Build-Tools and SDK components were not installed

I was installing Android Studio on my Ubuntu 16.04.4 LTS. I successfully downloaded it and I can run with ./studio.sh from /opt/android-studio/bin. After executing this command, it starts downloading ...
2
votes
1answer
56 views

What's up with Ubuntu Desktop API docs? Why are all the AppIndicator links dead?

I was going to make a quick tray monitoring script. Y'know, the classic CPU/mem/net usage example; I need a similar thing, but with my own code. 15 minutes later, trying to find any doc whatsoever ...
0
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1answer
27 views

how to create a hot-key to control a volume app

I was wonder if there is a way to create a hot-key to control PulseAudio app? Due to YouTube being in full screen and adjusting down the volume.
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0answers
39 views

Charting in Qt on Linux

I want to get into porting Windows apps to Linux but have a few questions about Qt as a possible solution. I have seen Qt touted as an equivalent for VC++ on Linux. VC++ on Windows has no charting ...
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2answers
39 views

What is the difference between copying an a.out file(executable file) and installing an application? [closed]

What is the difference between installing an application software and copying the executable file(ex:a.out) of the application? When we run the a.out file it gives some result, running the application ...
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0answers
21 views

sound devices 'cross fader application'

Does anyone know of an application that automatically cross fades between audio applications? e.g. i am playing an audio file on vlc and i click on a youtube video and the app crossfades between the ...
1
vote
1answer
58 views

Are all Ubuntu apps the same on every device

Bit of a newbie question Are all Ubuntu apps the same regardless of the device for instance if I made an app for Ubuntu on a jetson tx2 developer kit would the code be same as a Ubuntu app ran on a ...
2
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0answers
18 views

Beginner: how to start with contributing for ubuntu [duplicate]

Can I take part in some project for ubuntu? What should i do? I am new, and i would love to complete or take part or start a project for it. Thx
4
votes
1answer
71 views

What is the reason behind apt-get's W: Duplicate sources.list entry?

This question is really about the why of the error message. It would seem that duplicate entries in configuration file such as sources.list would be fairly simple to correct automatically and can be ...
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0answers
34 views

Ubutu 17.10 Graphics Environment [duplicate]

I just installed 17.10, and I can't launch some App's such as PhpStorm and RubyMine, it is saying "java.awt.AWTError: Can't connect to X11 window server using ':0.0' as the value of the DISPLAY ...
0
votes
1answer
323 views

browse to remote Glassfish admin page?

On AWS it's easy enough to start glassfish: ubuntu:~$ ubuntu:~$ asadmin start-domain Waiting for domain1 to start ..... Successfully started the domain : domain1 domain Location: /home/ubuntu/...
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0answers
214 views

Why do i need to unplug and plug in usb device to keep it working with USB port v2.0

enter image description hereMy usb device doesn't work properly with usb port 2.0 in linux ubuntu 14.04. Every time i have to unplug and plug in back to the port again in order to work it properly. I ...
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0answers
386 views

how to ensure rvm ruby and not system ruby is used?

After install ruby with rvm: thufir@dur:~$ thufir@dur:~$ rvm use 2.4.2 Required ruby-2.4.2 is not installed. To install do: 'rvm install "ruby-2.4.2"' thufir@dur:~$ thufir@dur:~$ rvm install ruby-2....
2
votes
2answers
232 views

output “script” to pastebin readability

How do I paste output from the script command (typescript; "man script") so that it's more readable? Script started on 2017-10-27 06:20:56-0700 ]0;thufir@dur: ~/IdeaProjects[01;32mthufir@dur[00m:[01;...
1
vote
1answer
2k views

how to install android studio with umake and snap? ubuntu-make.umake usage

How do install android-studio from umake through snap? It seems to be a matter of umake usage...but the command looks correct. thufir@dur:~$ thufir@dur:~$ snap install ubuntu-make error: This ...
-1
votes
1answer
468 views

PPA does not have a release date: apt update failed for some reason [duplicate]

Trying to remove a ppa which I shouldn't have installed: thufir@dur:~$ thufir@dur:~$ ll /etc/apt/sources.list.d/ total 28 drwxr-xr-x 2 root root 4096 Oct 26 05:57 ./ drwxr-xr-x 6 root root 4096 Oct ...
1
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0answers
333 views

ERROR: The checksum of android-studio-ide doesn't match. Corrupted download? Aborting

More than three times: thufir@dur:~$ thufir@dur:~$ cat android Script started on 2017-10-26 05:49:38-0700 thufir@dur:~$ thufir@dur:~$ umake -v android android-studio --accept-license INFO: Logging ...
0
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0answers
16 views

how to start glassfish when installed from apt (glassfish-javaee)? [duplicate]

Where is asadmin to run from the CLI? thufir@dur:~$ thufir@dur:~$ ll /usr/share/java/ | grep glass lrwxrwxrwx 1 root root 40 Sep 26 2016 glassfish-appserv-jstl.jar -> ../maven-repo/jstl/...
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vote
1answer
3k views

How to run Glassfish on Java 9? [closed]

As I recall, it's just a matter of invoking asadmin to enter the asadmin shell: thufir@dur:~$ thufir@dur:~$ glassfish-5.0/glassfish5/bin/asadmin Exception in thread "main" java.lang....
4
votes
0answers
440 views

Add an application to notification tray in GNOME

I am developing a Linux application and I want an icon for the application to show up in the notification tray which is at bottom-left in GNOME. Image of notification tray in GNOME: How can I ...
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0answers
23 views

How does Settings control in ubuntu alter the settings in real time?

I have noticed that in Ubuntu, unlike windows, there is no "apply settings" button. I am wondering how is it possible to alter settings in real time. I mean there is some variable in some file getting ...
0
votes
1answer
201 views

g++ uses OpenGL 3.0 but I have 4.5

In the c++ code I put the line fprintf(stdout, "%s\n", glGetString(GL_VERSION)); and it outputs 3.0 Mesa 17.3.0-devel although $ glxinfo | grep "version" server glx version string: 1.4 client glx ...
3
votes
1answer
326 views

Can I develop web and desktop apps on Ubuntu using C#?

I am new to Ubuntu (using 14.04) and Linux in general. Professionally I work on HTML,PHP, CSS, C# and C. I know I can use HTML, PHP, CSS and C but I am not sure about C#. In Windows there is Visual ...
1
vote
1answer
47 views

Fail to add my own repository

I try to upload to my PPA and add it but I get this error $ sudo add-apt-repository ppa:unixinfo/openshell The OpenShell (opsh) command-line interface More info: https://launchpad.net/~unixinfo/+...
0
votes
1answer
498 views

How to run Android studio on ubuntu 17.04?

I'm trying to run Android studio on my laptop I have download android studio from here and I have downloaded the SDK tool package separately I tried to run android studio from the .sh file and when I ...
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2answers
75 views

How can I build ubuntu desktop softwares? [closed]

Or what programing language should I use to develop ubuntu desktop applications?
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0answers
429 views

Qt error trying to install quiteinsane gimp plugin

I am trying to install the quiteinsane gimp plugin on Ubuntu 16.04. https://sourceforge.net/projects/quiteinsane/ I am getting this error: checking for Qt... configure: error: Qt (>= Qt 2.2.2) (...
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votes
0answers
25 views

ubuntu kernel and INT 13H interrupt

I'm new of this Ubuntu mailing list. My question is addressed to the kernel ubuntu developers. I use ubuntu and the grub 2 boot loader. The question is: I'd like to know if the Ubuntu kernel uses ...
1
vote
2answers
220 views

How to program a one click indicator (add middle click functionality)?

I'm fairly fluent with creating Application indicators with menus. On the example below there is one menu item (quit). I wouldn't have any problems adding another item, my actual application, or ...
0
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0answers
112 views

Ubuntu custom ISO for unattended installation using cubic [duplicate]

So, I have just discovered cubic, to create custom ISOs and I was wondering what other capabilities does the software have. Is there a way for example, to create an unattended custom iso using cubic? ...
3
votes
0answers
67 views

How to create Ubuntu Applications

What should I use to create apps for the Ubuntu Software center? I have Ubuntu 16.04 and qtCreator keeps crashing for me (even 4.3.0). I can't find a good place to start for creating apps for the ...
3
votes
1answer
14k views

Open port on ubuntu 16.04

I cannot access my db remotely, The only thing i found out is the port 3306 is open for 127.0.0.1, I want it open globally. The error i receives on accessing db is No connection could be made because ...