ezotrank

'400x300'            # resize, maintain aspect ratio
'400x300!'           # force resize, don't maintain aspect ratio
'400x'               # resize width, maintain aspect ratio
'x300'               # resize height, maintain aspect ratio
'400x300>'           # resize only if the image is larger than this
'400x300<'           # resize only if the image is smaller than this
'50x50%'             # resize width and height to 50%
'400x300^'           # resize width, height to minimum 400,300, maintain aspect ratio
'2000@'              # resize so max area in pixels is 2000
'400x300#'           # resize, crop if necessary to maintain aspect ratio (centre gravity)

buonzz

$ docker-compose up -d         # start containers in background
$ docker-compose kill          # stop containers
$ docker-compose up -d --build # force rebuild of Dockerfiles
$ docker-compose rm            # remove stopped containers
$ docker ps                    # see list of running containers
$ docker exec -ti [NAME] bash # ssh to the container

# list all images
docker images

JamieMason

Group Array of JavaScript Objects by Key or Property Value

Implementation

const groupBy = key => array =>
  array.reduce((objectsByKeyValue, obj) => {
    const value = obj[key];
    objectsByKeyValue[value] = (objectsByKeyValue[value] || []).concat(obj);
    return objectsByKeyValue;