QTextBrowser's setSource crashing

I'm writing an application with Qt that uses QTextBrowser to display some locally-stored HTML. When using it at startup, it works fine, but I get strange errors after querying a database for the...

Count rows by date

Here is what my data frame looks like; Zaman Operasyon Paket 1 2013-01-18 21:39:00 installed linux-api-headers 2 2013-01-18 21:39:00 installed tzdata 3...

Ubuntu install previous version of erlang solutions package

I am trying to create a fabric script that will install the erlang solutions R15B02 package and am having some difficulty. I have the following code in my fabric script: sudo("apt-get update") ...

Ubuntu / DigitalOcean - Unable to fetch packages to install git on a fresh install

Just started with a fresh install of Ubuntu 14.04 on my digitalocean droplet and I'm trying to install git. My first attempt failed to install some packages - [email protected]:~# sudo apt-get install...

Docker build ends with error "the command ... returned a non-zero code: 100"

I am building a Docker image and the Dockerfile looks like follow: FROM ubuntu:12.04 MAINTAINER Maintainer Name <[email protected]> VOLUME ["/var/www"] RUN apt-get update && \ apt-get...

Yocto image missing fonts (X11)

I'm in the process of building a Linux system image using Yocto (using a generic-x86_64 machine defintion). When I build core-image-x11, the Matchbox will abort on start (claiming incorrect params...

dpkg/miktex error in ubuntu 14.04

I am getting these warnings which I am unable to solve. I tried using these : sudo dpkg --configure -a for i in $(dpkg -l|awk '/^ii/ {print $2}'); do sudo apt-get --reinstall -y install $i;...

How to Install openjdk-6-jre on Ubuntu

I was trying to install openjdk-6-jre this arfternoon for URSim using sudo apt-get install openjdk-6-jre but I got the following Reading package lists... Done Building dependency tree ...

Which module to install to fix "module QtQuick.Controls.Styles is not installed" error for Yocto?

I've successfully built a Yocto image for the RPi2 following this tutorial. I decided to expand the QML demo and try some of the Qt quick styles (import QtQuick.Controls.Styles 1.4). Here is the...

image not found with @rpath/libpoppler.71.dylib

Currently I've installed anaconda. I'm trying to call in my script the osgeo.ogr module to open a shapefile but I have the following...

Managing fonts for Xlib in Debian Stretch

Writing C-code to create graphics on a Raspberry PI. O/S is raspbian v.9 aka "stretch", default installation from noobs. xlsfonts shows some fonts available, but there must be many more. How can I...

Yarn command not setup or working Linux Mint 18.2 Cinnamon

So I have been having problems with the fact that my yarn was out of date (1.5.1). I desperately wanted to upgrade but no answer has helped me. So then I went and I thought I uninstalled yarn on...

docker run error: Unable to access jarfile

Docker image is built but when I want to run it, it shows this error: Error: Unable to access jarfile rest-service-1.0.jar My OS is Ubuntu 18.04.1 LTS and I use docker build -t doc-service &...

Unable to install pytorch in conda due to setuptools is a dependency of conda and cannot be removed

conda install pytorch torchvision cudatoolkit=9.0 -c pytorch Here is the error I encountered RemoveError: 'setuptools' is a dependency of conda and cannot be removed from conda's operating...

Which libraries should I install for work with System.Drawing.Common in ASP NET Core application inside Alpine-based image

I have the following code in dotnet core 3.0 application: ... // This url returns image (Content-Type: Blob) var imageUrl =...

Running headless Chrome with webgl and Nvidia GPU inside a container

I'm trying to run headless chrome inside a docker container with the webgl support and the hardware acceleration. I have a Nvidia graphic card and if I test of the drivers with the command...

Bokeh/panel won't render in-line with Jupyter Lab

I'm trying to visualize Bokeh plots and panels with a Bokeh backend in a notebook in JupyterLab. Things were running fine until I updated. Current packages and versions are below I have tried the...

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