Register file extensions / mime types in Linux

I'm developing a Linux application that has its own file format. I want my app to open when you double-click on those files. How can I register a file extension and associate it with my...

API-level Unicode GUI Native apps in C++ for Windows/Linux/Mac

API-level Unicode GUI Native apps in C++ for Windows / Linux / Mac OS X. I am looking for writing a simple Unicode, GUI, Native, application, that can be run without need any non-standard library,...

Java app has fuzzy icon in the alt-tab list in GNU/Linux Mint

I'm using JFrame.setIconImages to set the icons for a JFrame in my application, working from the example at...

From virtualenv, pip freeze > requirements.txt give TONES of garbage! How to trim it out?

I'm following this tutorial: http://devcenter.heroku.com/articles/django At some point I'm suposed to do: pip freeze > requirements.txt (Ofc. from virtualenv created instance of python) And I...

Issue linking libxml++ and glib libraries with CodeBlocks IDE for C++ Windows

I am writing a C++ app for Windows using Code Blocks IDE. I am interested in using the following XML++ library: http://libxmlplusplus.sourceforge.net/ It requires libxml2 and glibmm-2.4 libraries....

Use Eclipse as GNOME Extension IDE

I am trying to develop my own GNOME Extension. I have read several articles: gnome-shell-extensions-getting-started gnome-whiteboards-hello-ide and the official...

How to fix error Xlib.error.DisplayConnectionError: Can't connect to display ":0": b'No protocol specified\n'

I'm making some program with python3 and XLib. On my PC with Ubuntu 14.04 everything works fine but when I try to run my app in my notebook with manualy installed Xorg I get...

Setting up OpenMPI-1.10.2 to run jobs on multiple nodes

First of all my setup till now: I'm working on a fresh installed Ubuntu Gnome 15.10. on all pc's. My networks consists of 4 pc's with static ips (198.168.0.1 - 198.168.0.4) with 198.168.0.4 as the...

how to use apt-buildpack from cloudfoundry repo

The apt-buildpack is experimental and not yet intended for production use. I guess that's why also no documentation. Creating container Successfully created container ...

VS Code on rhel/centos should appear in Gnome after install

I installed VS Code on rhel7 using the instructions here: Running VS Code on Linux I had done this previously and then had reinstalled the OS. That previous time, the VS Code app appeared in the...

Run Python Script through Shell Script by Double Click

I have a runGUI.sh script and I want to run a Python script through it. The Python Script is a GUI.py that I want to make it run as an App, by either double clicking the Shell script or the Python...

Shipping GTK+ apps for macOS with Xcode

My setup: macOS Mojave Xcode 10.3 I'm looking into the possibility of shipping apps on macOS using GTK+. Unfortunately, the whole process seems daunting to me according to GTK+'s macOS...

emulator-headless with vnc server

I am trying to figure out how to use android emulator via vnc on a remote server. I installed tightvnc server on ubuntu, graphic environment and started it: apt install tightvnc apt install...

Material Design Icons not rendering properly when src: local() included in @font-face definition

I recently installed a new arch linux system, using deepin and gnome shell as desktop environment. Updated entire system on September 17 2019 Using chromium Version 77.0.3865.75 (Official Build)...

Using Gnome Builder with Python

I am trying to create a Project with Gnome Builder in Python. The documentation is very limited, but I think found out: When you press the "build" button in Builder, it tries to build a flatpak...

Using dbus to poweroff Raspberry Pi inside docker container and python

I'm using BalenaOS and building a docker container with some python that senses when a button is pressed and then is supposed to send this command: dbus-send --system \ --print-reply=literal...

Get error while running "buildozer -v android debug" on ubuntu 18.04

I want to build an android app using Kivy Python. but when i run the command "buildozer -v android debug", I get error. # Check configuration tokens # Ensure build layout # Check configuration...

Kivy buildozer.spec Error - Trying to build an android App that sends an email out

I have an app that I'm trying to deploy and can't. Towards the beginning I get an 'ValueError: read of closed file' I don't know if this is related to openssl which is the step it's on when it...

Get error "may be sending automated queries" in Google Drive API using Soup (Vala)

The Google Drive API at times returns a response of an HTML page with contents: <html> <head> <meta http-equiv="content-type" content="text/html; charset=utf-8" /> ...

What's wrong with my gjs meson build setup?

I have a Gnome GJS app and would like to package it with Meson. The app source (in ./src) has subfolders lib, object, and ui. Each subfolder has a meson.build file that looks like this (for the...

How to fix docker container errors

I have created docker image from my application written in C, however, after running image, I list to check if there is any container running but there is none. I checked my machine...

buidozer is showing an error while i try to debug an kivy app

I am trying to develop an kivy android application,but while debugging the app using 'buildozer android debug deploy run' command the buildozer throws the following error i confirmed that cython...

Kivy garden mapview deploying error with Buildozer

I am using kivy.garden.mapview for my application. Everything works properly, but problems arise when I try to deploy the application to Android with Buildozer. I set "garden_requirements =...

Error when trying to build apk with buildozer

I've tried building an apk with buildozer before and it worked however today I tried to change the app logo on my phone by using the icon.filename in the .spec file and it displays an error. I've...

Pamac will not load any apps

So I did a fresh install of Arch Linux on my desktop and installed i3wm with it. After updating the repo's following the first reboot I began to add some packages I am familiar with that I can...

Fatal Error: alsa/asoundlib.h: No such file or directory

While trying to deploy my app on Heroku, I encountered an error as stated in the title: Fatal error: alsa/soundlib.h: No such file or directory I don't know why this package is troubling me in the...

How to run Gnome desktop on Ubuntu 20.04 in cloud

After doing a Google search for running a Gnome desktop or just desktop (found Xfce4 info...) on a cloud instance, I found some guides at Digital Ocean, for example: Install and Configure VNC on...

Chrome not visible to 'flutter emulators' despite having set CHROME_EXECUTABLE env variable

I would like to see Google Chrome listed in the available devices drop-down of Android Studio. I'm running Gnome on Arch Linux, and my default shell is ZSH. I installed Flutter + Android Studio...

Sharing code between a GTK/GJS App and a Gnome Shell Extension

I am developing a GTK application in GJS and like to reuse parts of the GTK code inside a Gnome Shell extension. However, I did not find a way to add a Gtk.Widget to the menu of my Gnome Shell...

AppImage created with Qt and linuxdeployqt with gtk3 plugin does not start on Gnome 4

I created a Linux application in Qt 5.15.2 and packaged it to AppImage with linuxdeployqt. I do this on Ubuntu 18.04 virtual machine. The created AppImage runs without any problem on any Linux...