detj

# Usage by formulae
echo "=== Formulae ==="
du -sh $(brew --cellar)/* 2>/dev/null | sort -h

# Usage by casks
echo "=== Casks ==="
du -sh /opt/homebrew/Caskroom/* 2>/dev/null | sort -h

detj

# List all the roles for a predefined role
#
# gcloud iam roles describe [PREDEFINED_ROLE]

gcloud iam roles describe roles/owner
gcloud iam roles describe roles/editor
gcloud iam roles describe roles/viewer

detj

# assuming the certificate is in a file at /tmp/cert.txt
cat /tmp/cert.txt | openssl x509 -text -noout

detj

// Check if 'something' is just a plain JavaScript object
// like a map of keys and values.
function isObject(something) {
  const type = Object.prototype.toString.call(something);
  return something === Object(something) && type !== "[object Array]" && type !== "[object Function]" && type !== "[object Date]" && type !== "[object RegExp]" && type !== "[object Set]" && type !== "[object Map]";
}

// truthy
console.log("{}", isObject({}));
console.log("Object.create(null)", isObject(Object.create(null)))

detj

# List all Google Cloud regions and zones
#
# It may ask to enable the [compute.googleapis.com] API if it has not been enabled earlier.
gcloud compute zones list

# List all Google Cloud zones of a region
gcloud compute zones list | rg us-central

# Set the default region for a configuration
gcloud config set compute/region REGION_NAME

detj

# List all configurations
gcloud config configurations list

# Activate a configuration
gcloud config configurations activate CONFIGURATION_NAME

# Rename a configuration
gcloud config configurations rename CONFIGURATION_NAME --new-name=NEW_NAME

detj

# List all the enabled Google Cloud APIs
gcloud services list --enabled

detj

# This command keeps the last 5 revisions and deletes the rest.
# --quiet - do not prompt for (Y/n)
# Replace <name> with the name of of the Cloud Run service
#
# Depending on the count of unused revisions this operation will
# take a few minutes to complete.
gcloud run revisions list --service=<name> --format="value(metadata.name)" | tail -n +6 | xargs -n1 gcloud run revisions delete --quiet

detj

-- Drop all connections except the one running this query
SELECT pg_terminate_backend(pid)
FROM pg_stat_activity
WHERE datname = 'measure'
  AND pid <> pg_backend_pid();

detj

#!/usr/bin/env bash

git describe --tags --abbrev=0