Questions tagged [development]

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1answer
9 views

Qt closes immediatly when importing uia model

I have installed Qt 5.15.1 recently (full framework). I could not import Qt 3D presentation to a Qt design studio or Qt Creator (Qt Quick 2) projects. When importing via library->Assets->Add New ...
1
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1answer
26 views

Create own package repo for an offline Ubuntu machine

I have some offline Ubuntu 18.04 LTS amd64 machines for sw development and I need to create a package repository for them. (or in worst case a directory containing the packages). How can I solve this? ...
2
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1answer
44 views

Pipes and graphics

When developing a program (in C or Python, say), I often write debug messages to see whether my program behaves as intended. On Linux, such text messages can be handled in varied and flexible ways ...
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0answers
32 views

my .flatpak contains no metadata

I'm trying to get started in Gtk development. As a starter project to get used to the toolchain and getting a software release ready I wrote Color Mate: https://github.com/ckruse/ColorMate Everything ...
1
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1answer
45 views

What is minimal requirements for running simplest graphical application on Linux box

Having little Linux box running Armbian on Orange Pi, I want to develop on C++ small graphical application which will just read frame from remote IP camera and show it on screen connected to HDMI port....
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1answer
14 views

Debian package development process - sid to testing and back porting

I've been monitoring the process of python-libusb1 in Debian. Python-usb1 is required for the upgraded version of python-trezor to make it to testing. The author uploaded a new binary on May 12 and I ...
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0answers
23 views

Undefined reference to SDL functions in c for Conways Game of Life

I'm writing GameOfLife game in c with SDL2 but while compiling the files with CMake, it appears as an undefined reference to SDL functions: What can be the problem and how can I fix it? my ...
2
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2answers
2k views

Where do I get “Development Tools” for CentOS 7 when trying to install via yum?

I'm running CentOS 7. I want to install gcc (for the purposes of building Python 3 with the new openssl package I installed). I was reading here -- https://stackoverflow.com/questions/19816275/no-...
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2answers
15 views

Technology for setting up temporary environments to reproduce customer issues

Sometimes I need to reproduce issues that appear only in the customer's environment. I could manually set up virtual machines to sufficiently mirror their environment, but it would be very nice to ...
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0answers
25 views

Building Linux for COM Express type 7 boards

COM Express is a standard for computer-on-module and different vendors have COM Express products like: https://www.congatec.com/en/products/com-express-type7/conga-b7ac.html https://www.kontron.com/...
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0answers
23 views

cmake policy query

Background CMake policy is documented here. One may set the policy to a cmake version with cmake_policy(version ...), or by specific policy with cmake_policy(set ...). One may query the current ...
1
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1answer
32 views

What set of system-wide configuration settings can conflict when installing different applications on a unix-based OS?

Reading this report on containerization the authors mention that: A problem caused by Unix’s shared global filesystem is the lack of configuration isolation. Multiple applications can have ...
1
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1answer
158 views

How do I develop a YaST module that is available in the main menu of YaST?

I've read the official YaST module development documetations and I've implemented my YaST module successfully. Now I would like to create a myModule menu entry in YaST, i.e., when I type yast, to have ...
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1answer
46 views

How to flash code from external SD card to internal memory and boot the image? [closed]

With the ELB-REV4 board, which has both internal memory and an SD card slot, once my application works fine, I need to boot using an image on the external SD card image. I want to flash the complete ...
3
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2answers
103 views

Easy free Solaris-like development VM

I wrote some open source Linux/BSD software with a command line interface and would like to know if I can easily make it run on Solaris too. What would be the easy options (i.e. about equally easy as ...
1
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1answer
509 views

How to install Devuan/Debian testing/unstable without starting from a stable release?

It is possible to install Devuan/Debian stable and then editing /etc/apt/sources.list upgrade to a testing/unstable branch (ref). However on my laptop I have an AMD Ryzen 7 2700U processor, which ...
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1answer
3k views

Centos 7 Error getting repository data for development, repository not found [closed]

I'm using Centos 7 and get "Error getting repository data for development, repository not found".
0
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1answer
270 views

How can I use TLS on a local apache development server (on localhost) [duplicate]

I am trying to set up a development environment that mirrors my live server, but behind the firewall. Until fairly recently my shared hosting site didn't offer TLS/SSL so it wasn't an issue/option, ...
8
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6answers
1k views

What are the advantages of using `make` for small projects? [closed]

I've seen that make is useful for large projects, especially with confusing dependencies described in a Makefile, and also helping with workflow.  I haven't heard any advantages for using make for ...
0
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1answer
496 views

How to install man pages for certain libc functions?

In the past, from time to time, while developing Linux software, I have noticed that some man pages which deal with developer documentation are missing on my systems. This happens mainly on Debian ...
1
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1answer
727 views

How do I customize Nautilus / Caja file manager?

I'm using Caja and I miss several features that I had with Windows Explorer. I'm willing to tweak some configs or even develop code to get them but I wouldn't know where to start to collaborate... ...
0
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1answer
49 views

Developing Mozilla Firefox for Linux on Windows

I would like to make some contribution to Mozilla Firefox (with the little C++ I know). Can I build, run and debug Firefox for Linux using WSL (Windows Subsystem for Linux) ? If yes, should I install ...
0
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1answer
388 views

How to install and configure LispWorks PE on 64bit Linux system?

LispWorks Personal Edition is cross-platform development tool for Common Lisp. I did a small research, looking for any simple installation guide, but I found only this and this. After following these ...
2
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1answer
140 views

Installing dev libraries locally

I need to install libpng-dev locally on a system where I do not have sudo access This is required to compile a C application. What is the best way to proceed with this? Can this be installed from ...
24
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1answer
3k views

What happens when a Red Hat Developer Subscription expires?

I have a Red Hat Developer Subscription which expires in January 2019. For now, I’m using RHEL for development purposes and it is free for me. What will happen after January 2019? Will my subscription ...
1
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1answer
2k views

Red Hat 6.9 Desktop yum groupinstall Developer Tools not found? [closed]

I searched everywhere on the web for a few days, and I am still stuck... I am running Red Hat Enterprise Linux Desktop 6.9 in a virtual machine. I am using an older version because I am experimenting ...
0
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1answer
53 views

Making Download & Install Style Programs for Linux

I am looking for a way to create download-and-install style programs for Linux. To clarity what I mean by "download & install", I mean that the installation process proceeds like this: User ...
2
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0answers
253 views

What is the preferred way to unhog a hogged GPIO pin?

So I'm doing development on an ARM embedded system which is using the device trees. We're going to integrate a small PCB with a processor and support components onto a bigger PCB, which will be the ...
0
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1answer
95 views

Developing GUI for a linux executable [closed]

I am looking for guide/tips on developing a graphical user interface (GUI) for a Linux executable that I am interested on. How do I go about doing it? What applications/resources do I need?
1
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1answer
373 views

Kiosk Gui, but not limited to WebBrowsing

My need is simple: Make a Raspberry PI 3 thin client. For that, I need the following items to be achieved: A Kiosk mode software, that would not allow the user to change configurations A Kiosk mode ...
1
vote
1answer
100 views

How to use development package installed by sys package manager?

I'm confused as to how to use *-dev packages in Ubuntu. I want to use the libxml2 library, in Ubuntu, for my own code development. I installed libxml2-dev using apt-get, which put the header files ...
1
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2answers
113 views

How to know how many rows of code are there for a CLI shell?

How to know how many rows of code are there for a CLI shell, not counting empty lines? The purpose of this question is to learn how I could count the rows of code for both sh and Bash CLI shells. ...
0
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1answer
2k views

Glassfish 4.1 on OpenJDK 8? (Netbeans)

Netbeans installed Glassfish, and shows Glassfish as running: Running the create-domain subcommand Using default port 4848 for Admin. Using default port 8080 for HTTP Instance. Using default port ...
0
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1answer
131 views

where are codiad projects stored locally?

In Firefox I installed codiad as: where is ruby_hello actually located? (When it asked for the absolute path, I wasn't able to put in /home/thufir/... because of permission, so just typed in "...
0
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1answer
80 views

Why only Linux master branch visible on Github?

Why is only the Linux master branch visible in the Github Repository? https://github.com/torvalds/linux/branches Is there a way to view the other branches?
0
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1answer
64 views

Multiple RHEL local development VMs?

The company I work for is likely going to migrate our servers to Red Hat Enterprise Linux (RHEL). In the past I have been responsible for setting up our development boxes using Vagrant to replicate ...
1
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0answers
90 views

Why Gnome 3.22 Assistive On Screen Keyboard supports only Qwerty?

This thread is the continua of the thread How to confirm successful bug report in Debian reportbug? because I could not file the bug report by bugreport in Debian. Assistive technology > On Screen ...
0
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1answer
33 views

yumdownloder option required for only 64bit packages

What would be the command if I want to download only 64bit rpm of the packages via the yumdownloader command? Example : I have 64bit arch centos6.5 and i want to upgrade some of the packages thourgh ...
1
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2answers
3k views

Cannot get Dnsmasq to work in Sierra (for local development)

so despite my numerous attempts at getting Dnsmasq to work, I'm posting here to get some help from the community. Summary: I'm trying to get all .local domains to automatically resolve to localhost or ...
1
vote
1answer
971 views

cmake find_package boost fails on Debian Jessie

I have a self-written C++ application that uses cmake as its build tool. The CMakeLists.txt has used worked perfectly on Debian 7 (Wheezy) but not for Debian 8 (Jessie) and it drives me crazy. In ...
1
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3answers
4k views

How do I force Pycharm to recognize and use Python 3.6.1 libraries?

Same as above. Recently I broke my system and then wiped and reinstalled. I initially managed to get python 3.6 working in Pycharm with a new installed before breaking things again. I didn't do ...
1
vote
1answer
8k views

./configure: No such file or directory in GCC [closed]

I'm trying to make an operating following osdev.org. However, I can't do this without cross-compiler mode in gcc. I'm trying to change the host option to i686-elf-gcc (this supposedly activates cc ...
1
vote
2answers
397 views

How to keep two separate and independent Firefox executables

Firefox is my browser of choice, and I'm struggling to keep a second Firefox in my system to use for testing purposes (cucumber, selenium and geckodriver, if you're curious). The second Firefox is an ...
3
votes
1answer
9k views

How can I build and run 32-bit software on 64-bit Debian? [duplicate]

I'm looking into developing a C++ program that needs a proprietary 32-bit library and which should run on 64-bit Debian (jessie, amd64). I assume I need to create a 32-bit executable in order to be ...
2
votes
1answer
156 views

Libreoffice Calc - Can you save VBA code after viewing and editing, so it is saved next time file is accessed?

I am developing using VBA in Libreoffice Calc. I found out via experimenting that it can read vbaproject in a .xlsm file. I was able to read macros under vbaproject I had created via Excel, saved ...
7
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2answers
4k views

What are the .x files in /usr/include?

My /usr/include contains several files with the .x file extension, such as /usr/include/rpcsvc/rquota.x. They seem like C sources (running file /usr/include/rpcsvc/rquota.x results in C source, ASCII ...
10
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2answers
1k views

When to use standard error stream in command-line application?

Is there a guideline when to use the error when writing a command-line application? To my surprise, I didn't find anything when googling it. In particular, the question I'm concerned with right now ...
3
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1answer
705 views

I want to participate in linux kernel development, where can i find some what is needed to do? [closed]

I want to participate in linux kernel development but i don't have idea what, in technically meaning i can do (i am looking for tasks). I am experienced C programmer, i know some linux kernel, i have ...
1
vote
1answer
88 views

is it okay to assume my commands in use are exist by default with almost all distributions

I'm maintaining a small USB device driver code for Linux. This is a user mode code so , there are places that we need to find what is the version of libudev so and etc. So the only way that I came up ...
-1
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2answers
275 views

How to deal with C makefiles under the “Unix as IDE” philosophy?

I've been for long using VIM as my main editor and never touched an IDE since. This works great for most of the programming languages on the market. When it comes to C, though, I still fell limited to ...