How do units flow through matrix operations?

It seems that there are many useful applications for matrix math where not all entries in a given matrix share the same units. I want to look into type systems that could track these units and...

Sonar installed & started but not accessible

Summary: Installed standalone sonar Started through /etc/init.d/sonar start sonar.log doesn't show any error unable to open http://mymachine.ipaddress:9000/sonar GET...

Python - No module named 'PyMySQL'

I'm trying to add 'PyMySQL, but it keeps throwing Traceback (most recent call last): File "/home/john/workspace/Python/sql/sql.py", line 1, in <module> import PyMySQL ImportError: No module...

Docker-Compose won't volume my php.ini file

I'm trying to use docker-compose to volume my php.ini file so I can make changes on the fly on my local machine to see how it affects the host machine. Unfortunately the only way I've been able...

cv2.VideoCapture not working in docker container on a mac host

I am unable to open the web cam or capture a video in an Ubuntu 16.04 docker container on a Mac OS Sierra 10.12.6 Host. vid = cv2.VideoCapture(0) where vid.isOpened() returns a False and ret,...

"ModuleNotFoundError: No module named <package>" in my Docker container

I'm trying to run a python script in a Docker container, and i don't know why, python can't find any of the python's module. I thaught it has something to do with the PYTHONPATH env variable, so i...

Error: Unable to access jarfile when running docker container

I am getting the following error when trying to run a docker container: Error: Unable to access jarfile My Dockerfile is like this: FROM ubuntu:16.04 # Install Updates RUN apt-get update -y &&...

Google Colab is very slow compared to my PC

I've recently started to use Google Colab, and wanted to train my first Convolutional NN. I imported the images from my Google Drive thanks to the answer I got here. Then I pasted my code to...

Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running? inside a Dockerfile

I have the following Dockerfile: FROM ubuntu ENV NPM_CONFIG_LOGLEVEL warn ENV admin_user="PeerAdmin" network_name=$1 version=$2 hversion=hlfv1 fabrik_path=/fabric-tools project_dir=$(pwd)...

Spring Data MongoDB XML Configuration failed to Authenticate against Mongo-database

Currently, I am facing a problem with Spring authentication with MongoDB. I have the following declaration in my Spring XML configuration file: Spring Boot Importing of Spring XML file: I am...

"E: Invalid operation update" error while running shell scripts in WSL

I have a shell script called setup_wsl.sh which contains: #!/bin/bash echo "hai" sudo apt-get update sudo apt-get install \ apt-transport-https \ ca-certificates \ curl \ ...

APR for optimal performance in production environments

I am installing a java application in a docker container. It runs fine but I keep gettig this error in the logs: INFO 1 --- [ost-startStop-1] o.a.catalina.core.AprLifecycleListener : The APR...

Getting error to run test cases from bit-bucket pipeline( working on localhost direct test cases)

I am using lmc-eu/steward to write test cases with selenium server in php i am running this test cases direct command that is working fine but as i have added it in bitbucket pipeline then its...

'Unable to open X display' error is produced by a CEF application running in windowless (off screen rendering) mode

[01] The application was built and executed in a docker. The Dockerfile is as follows: >>>> FROM ubuntu:xenial RUN apt-get update -y RUN apt-get install -y wget RUN...

E: Unable to locate package openjdk-11-jdk

I try to create docker image: It is my Dockerfile: FROM maven:3-jdk-11 # Common files and utils for build RUN apt-get update && apt-get install -y make fakeroot rpm dpkg-dev apt-utils wget...

CVAT(Computer Vision Annotation Tool) installation issue

I'm trying to install CVAT and I'm following this installation guide: https://github.com/opencv/cvat/blob/develop/cvat/apps/documentation/installation.md#windows-10 I installed Docker and Git as...

Docker container - How to set GID of socket file to groupID 130?

This is docker in docker scenario. Below is the corresponding code in Dockerfile that has docker client installed: FROM jenkins/jenkins:2.190.2 ENV DEBIAN_FRONTEND=noninteractive # Official...

Failed to fetch packages from jonathonf repository while running Dockerfile from AzureDevOps

I have a Dockerfile which is getting the packages from a source called jonathonf but it's failing to download some packages from this repository. Could any one please help me with the solution? I...

docker installation failed on Ubuntu 20.04 LTS(Vmware)

I am following the docker installation on Ubuntu 20.04 using https://docs.docker.com/engine/install/ubuntu/ in Ubuntu VM on VMware. But when running the command to add the repository to...

How to use Wix binaries on Build machine

I am setting up wix without installing on build machine by keeping Wix binaries in the source code directory itself. When i configure the wixproj file based on the steps mentioned in the wix...

Excel Connection Manager Failed to Connect via SSIS VS19

New to the SSIS world and I got it working before on Excel Version 2016 & Version 2007-2010 [after ages of troubleshooting] but then it just stopped working [endless testing on various solutions...

Docker build stops on software-properties-common when run with `apt update`

I have 2 dockerfiles: FROM ubuntu:20.04 RUN apt-get update && apt-get install -y \ software-properties-common \ python3 FROM ubuntu:20.04 RUN apt-get update RUN apt-get install -y...

python pip defaulting to user installation because normal site-packages is not writeable

I am setting up a clean version of Ubuntu under WSL2, it needs to run python 3.7 because of some dependencies. The goal is to have a project folder with a virtual environment in it, and to be able...

Redash Docker installation problem: sqlalchemy.exc.OperationalError: (psycopg2.OperationalError)

I'm trying to install Redash on Ubuntu 20.04.1 I used this method of installing: https://github.com/getredash/setup I downloaded the files I cd in to the folder I run 'sudo ./setup.sh' I get the...

GPG error The following signatures couldn't be verified because the public key is not available

I'm following this guide for the installation of Docker inside a Jenkins container This is the Dockerfile of the Jenkins container: FROM jenkins:1.596 USER root RUN apt-get update RUN echo...

Docker container OSError: [Errno 5] Input/output error: while reading files on a mac os

I'm trying to run a python script inside a docker container. The version is Cloud integration: 1.0.4 Version: 20.10.2 API version: 1.41 Go version: go1.13.15 Git...

Why cannot add PPA deadsnakes?

I have ubuntu version 20.04 and I would like to install python 3.6 from the shell. After sudo apt install software-properties-common I am trying to use the add-apt-repository ppa:deadsnakes/ppa...

Sbt-native-packager cannot connect to Docker daemon

Here is my configuration which worked for more than one year but suddenly stopped working. variables: DOCKER_DRIVER: overlay2 DOCKER_TLS_CERTDIR: "" stage: deploy image:...

How can I use Octave from R 4.1?

I've installed Octave in Linux machine (Ubuntu 20.04) using this code: sudo apt-add-repository -y ppa:octave/stable; sudo apt install -y software-properties-common; sudo apt-get update; sudo...

Why do I get "Manifest merger failed with multiple errors" error when running Flutter Android app?

Context I have a Flutter Android app that I am trying to run on an emulator in Windows 10. Problem When I try to run the app with flutter run I get the following error message: Manifest merger...