Development refers to the development of the Ubuntu source code through the implementation of new features and the fixing of bugs.

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How to make an online, offline app with cache

I just wanted to know how I can do this. For example, I want to have an app that's linked to a WordPress site and when I'm connected to the internet, I want see everything normally, but when I'm not ...
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1answer
49 views

New line in python script creating EOL error [closed]

I'm creating a Python program for Ubuntu, and I need to write a python script into a file, but the \n in the code creates a new line in the file, it isn't copied as \n, so I get an EOL error. This is ...
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1answer
5 views

What should I name my install instructions for ubuntu centric applications?

Just wondering if there was a standard for this sort of thing, particularly for debian packages. I see in here for the license, LICENSE.LGPL I'd like to add some install instructions to my own, but ...
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1answer
33 views

Which system monitors are able to show me a non-rounded memory usage?

Backstory: I am trying to detect memory leaks in a program by viewing the memory used from the system monitor, and seeing if it rises while doing a certain activity. System Monitor unfortunately ...
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Ubuntu Touch For Xiaomi Redmi Note 4G HM 1LTEW

Can we get ubuntu touch for xiaomi redmi note 4g HM1LTEW we have at least 100 thousand users
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Application rejected on myapps.developer.ubuntu.com. What can I do?

I submitted a desktop application on myapps.developer.ubuntu.com long time ago. But it was rejected today with the following reason: This package submission process is now deprecated. To provide my ...
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11 views

Can't generate makefiles in MonoDevelop 5.5

I'm trying to build a package on Ubuntu 15.04 using MonoDevelop 5.5, and I can't generate makefiles. When I press the Project menu, there is no such option. When I try to create package, I only have ...
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1answer
23 views

Setting up Web Root for LAMP and never worry about it again

I made a fresh install of Ubuntu in my laptop. I just installed the LAMP stack and phpmyadmin. I tested them with http://localhost and http://localhost/phpmyadmin and they're working fine. Now I've ...
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255 views

Android Studio fails downloading SDK Components

I installed android studio using ubuntu-make like umake android after starting android studio, it asks some questions and then starts downloading SDK components, but it never finishes that ...
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1answer
30 views

Does Andriod Development obviate 32 - bit Linux

Recently I encountered the following error while trying to emulate android using cordova: ERROR: 32-bit Linux Android emulator binaries are DEPRECATED when attemping to run the Android emulator ...
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1answer
31 views

Why are workspaces disabled by default?

In the recent versions of Ubuntu, workspaces are disabled by default. Is there a specific reason for this. I know how to enable them, but I wish to know the reason why the developers choose to ...
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Potentil developer. ;) [duplicate]

I am a 16 year old boy from Austria which want`s to start developing apps for ubuntu (mobile). Are there some links for a newbie like me? ^^ Sorry if I am new. Just wanna try to develop and take a ...
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254 views

Error, even with sudo: “dd: failed to open ‘/dev/sda1’: Permission denied” (dd input piped from gzip)

My command which doesn't work: sudo gzip -dc sda1.image.gz | dd of=/dev/sda1 returns the following error even before I've had a chance to enter my password: dd: failed to open ‘/dev/sda1’: ...
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1answer
30 views

Unity8 Development install troubleshooting

First attempt at getting into development with Unity and in a Linux box. I was able to pull down the trunk and (I think) build its dependancies, but it doesn't feel like I've done this right and I ...
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20 views

How do I find other developers that are interested in porting Ubuntu to a specific device?

I wish to port Ubuntu touch to Yu yureka(though this question is not device specific). How would I go upon finding other developers who are interested in porting and (more importantly)maintaining the ...
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9 views

GImP Plugin: unable to access GimpDrawble or Gimpimage resolution

 m trying to get image resulotion in a plugin I m writing. But when I call resolution function the plugin crashes saying image does not exist..... But I can access the drawble , plz tell if there us ...
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1answer
48 views

scope developing / how to change scope result inside perform_action

I became bit lost with how to set a result attribute or trigger scope search (refresh) inside Scope::perform_action method or in methods of ActivationQuery object. The idea is to change data in a ...
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50 views

How to cross compile the qtmultimedia-opensource-src for armhf?

Repost from https://answers.launchpad.net/ubuntu/+source/qtmultimedia-opensource-src/+question/264619 Cross I can't figure out how to build it with cross compiler (on trusty-amd64 for ...
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1answer
35 views

Where do I give ideas? [closed]

I just had an idea. Someone must have probably thought of this and I'm not sure where to write this but here it is. We drag a file onto another file and a new folder is created with both files inside ...
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39 views

Touch as IP camera

What is the easiest way to set up Touch device with cameras to share them via IP, so these cameras could act as video devices (webcams) of the Ubuntu desktop?
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QT Quick Test problem [duplicate]

I have a QML file and I want to test the function of this test , in this file I have some import like import ValueField 1.0 , import MyModule 1.0 and I need this imports So when I run the QT Quick ...
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52 views

IntelliJ, Maven, Apache CXF and Ubuntu on a 16GB, possible?

There are many questions on the topic of how much space Ubuntu takes up, so sorry in advance if this is a duplicate of those questions. I want to setup a development environment on a Chromebook with ...
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1answer
83 views

ubuntu package developing trying to overwrite config of other package

I've build a custom debian package with shuold overwrite configs of lightdm (autologin). My install script (debian/install) contains the following lines: lightdm/* /etc/lightdm/lightdm.conf.d/ But ...
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25 views

T9 keyboard using numeric keys

after bought an gamer mouse, that have 12 numeric keys at left side, i was wondering how to do an T9 keyboard to use that keys on ubuntu? I'm working with java but can't figure out how to integrate ...
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2answers
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LibreCAD. New versions

I am user of LibreCAD and I haven't seen any new version of it since June last year. But the new versions continue to release. These versions are for Windows and Mac. LibreCAD web page still says that ...
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ddd does not work on Ubuntu 14.04

I have used ddd (Data Display Debugger, ubuntu package "ddd") successfully in the past. Currently, on 32-bit Ubuntu 14.04, the program seems not usable: the GUI arrows are all out of place, the ...
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1answer
111 views

Problem setting up Environment for 'make' command execution

I am trying to set up devkitPro for ARM use, but I continuously get an error while executing the last two commands. The commands are make and make install. The tutorials I am following: ...
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1answer
230 views

SSH keys from USB Stick

I have a couple of desktops, a couple of laptops and a netbook. Some of these devices still run windows. I use these machines to connect to Launchpad, where my projects are hosted. I'm really ...
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121 views

run libGDX project as java application - eclipse - ubuntu

Trying to run a libGdx Gradle Desktop project as java application on my ubuntu 12.04 I get the following error at the console Exception in thread "main" java.lang.UnsatisfiedLinkError: ...
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Question about libmatio-dev

I want to install libmatio-dev, but a specific version (1.3.4-2). Whenever I run sudo apt-get install libmatio-dev, I get 1.5.2 installed instead. How do I force the install of 1.3.4-2?
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23 views

What's the location of the hard-coded window buttons?

I am having a difficult time to get the window buttons (minimize, close) back to its right place : right (LTR principles in the western world!). I saw many topics here about this and I also tried them ...
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61 views

How to upload my C program to the Ubuntu Software Center

I recently created a game using the C-programming language. Now I want to upload it to the Ubuntu software center but I don't know how. I'm searching on Google since at least 2 weeks, but without ...
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27 views

What does it mean if (development branch) is part of the title?

I apologize for what is probably a stupid question, but my google- and stackoverflow-fu has failed to positively reveal the answer to my question: What does it mean if a branch (such as Ubuntu Utopic ...
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Ubuntu SDK, Ubuntu Touch: Disable automaticOrientation for one element?

I am building an Ubuntu Touch app. Option "automaticOrientation: true" rotates the whole interface, but I need one element to stay in place and ignore it. Is this possible?
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1answer
110 views

Ubuntu SDK, Ubuntu touch app: “Error: Error opening shm.”

I am building an app for Ubuntu Touch. It works well on desktop, but when I try to open it on nexus it starts opening a splash screen but immediately crashes. Here's the logs: t_shm() at ...
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2answers
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Ubuntu SDK: How can I see error logs for my ubuntu touch app?

I've built an ubuntu touch app, it works well on desktop, but when I install it on the device and try to launch, it crashes. Where can I find error logs or any other output that the app can give me to ...
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Ubuntu SDK, QML: how do I create a vertical slider?

I am trying to create a vertical slider: http://developer.ubuntu.com/api/qml/current/Ubuntu.Components.Slider/ How can I do that? Just rotating it doesn't seem like a good idea, it messes up anchors ...
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1answer
94 views

Ubuntu SDK, how do I create a tree view in QML?

I have json data that defines comments that have children. I am trying to display nested comments(like in hackernews or reddit) in my app. What is the best way to go about doing it?
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Ubuntu SDK - how to use the new header? [duplicate]

I want to use the new header features that are described here, but I can not find any documentation. Where can I find a QML example of using it?
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105 views

Netbeans' ctrl+space suggestion not working

I'm trying to do Java development using Net Beans in Ubuntu 14.04 LTS, but there is a small problem. When I try to get suggestions with Ctrl+Space, none appear. Help me solve this.
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How can I use emacs instead of Ubuntu SDK to write Ubuntu Touch Apps?

I want to use emacs and console tools instead of Ubuntu SDK to edit and debug my projects. Where can I learn about doing that?
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1answer
25 views

Import new package to older release

I have uploaded a new package to Debian. It has recently reached Debian unstable and Ubuntu development branch (currently Vivid). How do I get this new package into the currently supported stable ...
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1answer
59 views

How can I run arbitrary commands as part of a deb package install?

I'm creating a ppa deb package for a python module, replacing a pip package (which I also created), and I would like to run "pip uninstall" as part of the deb installation. How can I run "pip ...
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34 views

Ubuntu-dev-tools usage

I just installed ubuntu-dev-tools trough apt-get. I am new to the Ubuntu environment and I need some instructions, and I can not find them. How can I make use of these Ubuntu-dev-tools? I do not see ...
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2answers
167 views

USB Enumeration Stress Test

I'm creating a USB device that runs my own custom stack, and I need to make sure that it works with any host or hub. USB-IF has their own official testing program, but it only runs on Windows and has ...
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110 views

How to upgrade libstdc++ to work with GLIBC_2.19

I'm using GLIBC 2.19 but my libstdc++ isn't working with it, how do I get a version that does?
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1answer
159 views

How to add link buttons with label in quickly glade

I'm making my own application, I can add link buttons on quickly glade, but the link buttons dont have a label, they just have "button" written on them. How can I add my own label on the link buttons? ...
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85 views

Understanding ubuntu [closed]

I understand that Linux is an open source OS, in other words I have the ability to change whatever I want with the source code of the system. Where is the source code located? For example I would like ...
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15 views

Is there a project page for the upcoming ubuntu icons?

According to this site: http://design.canonical.com/2013/12/the-new-ubuntu-icons/ There are a menagerie of new icons in the works for Ubuntu. If I would like to contribute to this, where would I ...
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636 views

Install multiple elasticsearch versions on 12.04

I have two projects using different versions of Elasticsearch, the first uses 0.9.x and the second will use 1.2.x What would the best way to install both versions so I can work on the two projects?