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Solved ImportError: libGL.so.1: cannot open shared object file: No such file or directory

When using cv2 in Dockerfile.

Adding library below to your Dockerfile to solve the issue :

RUN apt-get update
RUN apt-get install ffmpeg libsm6 libxext6  -y

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echo "Press 'q' to continue"
count=0
while : ; do
read -n 1 k <&1
if [[ $k = q ]] ; then
break
fi
done

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mkdir coco
cd coco
mkdir images
cd images

wget http://images.cocodataset.org/zips/train2017.zip
wget http://images.cocodataset.org/zips/val2017.zip
wget http://images.cocodataset.org/zips/test2017.zip
wget http://images.cocodataset.org/zips/unlabeled2017.zip

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Crop image from YOLOv4+'s label(Darknet annotation)

def get_yolo_image_box(line, img_width, img_height):
    '''
    Ref. https://www.ccoderun.ca/programming/darknet_faq/#darknet_annotations
    '''
    columns = line.split(' ')
    class_id = columns[0]
 center_x = float(columns[1]) * img_width

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List image in Jupyter notebook

Not need to handle by using only matplotlib, just...

import ipyplot

# ...

ipyplot.plot_images(img_arr, max_images=20, img_width=150)

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 Function GetServiceByName {
    Param (
        [string]$ServiceName
    )
    return Get-WmiObject -Class Win32_Service -Filter "Name LIKE '$ServiceName'" | Select-Object -ExpandProperty ProcessId
}


$nid = GetServiceByName -ServiceName "notepad"
If ($nid -ne 0) {

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Compress with 7zip in Ultra mode on MacOS

Requires p7zip :

$ brew install p7zip

Compress :

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Terminate the other container after main container run finished by using docker-compose

Example : I would like to terminate node and filebeat service after test service run finished or exit code is zero (success). We need to create shell script and adding two docker-compose up's options, it's --abort-on-container-exit and --exit-code-from (the shell script below related with docker-container.yml)

shell-scrip.sh

( (docker-compose -f docker-compose.yml down -v) || : ) && \

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Uninstall CUDA.framework on macOS

If you

• got message like "CUDA.framework is malware, ... damage on your mac"
• using OpenCL instead
• using macOS 10.14+ (used Metal framework instead)

and try to remove it.

Delete the following folders/files:

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VERSION=2.1.1
rm -rf ~/docker-compose
sudo curl -L "https://github.com/docker/compose/releases/download/$VERSION/docker-compose-$(uname -s)-$(uname -m)" -o ~/docker-compose
sudo chmod +x ~/docker-compose
sudo mv ~/docker-compose /usr/local/bin/docker-compose
docker-compose -v