chris-kobrzak

function* takeWithTimerTask(
  eventName: AnyEvent['type'],
  timeoutEventName: AnyEvent['type'],
  timeout: number
) {
  const timerTask = yield* fork(
    fireEventAfterDelayTask,
    timeoutEventName,
    timeout
  )

chris-kobrzak

#!/usr/bin/env bash

# 95% CPU utilisation
threshold=0.95

log_file="/var/log/kill-high-cpu-processes.log"

get_process_info() {
  process_id=$1
  ps -p "$process_id" -o pid,ppid,cmd,%cpu,%mem,stat --no-header | awk '{$1=$1};1'

chris-kobrzak

xcrun simctl list devices

# Remove old devices stored under ~/Library/Developer/CoreSimulator/Devices (and clogging the disk)
xcrun simctl delete unavailable

chris-kobrzak

# in this example we are removing JPG files sitting alongside .nef files
for name in `ls * | sed 's/.\{4\}$//' | sort | uniq -d`
do
  # Remove echo below to actually delete files
  echo rm $name.jpg
done

chris-kobrzak

#!/usr/bin/env sh

sudo findmnt --verify --verbose

chris-kobrzak

function readonly(target: any, name: string, descriptor: TypedPropertyDescriptor<() => void>) {
  descriptor.writable = false
  return descriptor
}

class Example {
  a: number

  @readonly
  b() {}

chris-kobrzak

CREATE OR REPLACE FUNCTION gen_random_string(_min_length INT = 3)
RETURNS VARCHAR
LANGUAGE SQL
AS '
SELECT substring(
  md5(random()::TEXT),
  0,
  _min_length + floor(random() * 10 + 1)::INT
)
';

chris-kobrzak

# List all available database versions
aws rds describe-db-engine-versions --query '*[].[EngineVersion]' --output text --region eu-west-1 --engine postgres

aws rds describe-db-engine-versions --query '*[].[EngineVersion]' --output text --region eu-west-1 --engine aurora-postgresql

# Connect to Postgres via SSH's ProxyJump
ssh \
  -L 5555:your.private.postgres.hostname:5432 \
  -J your.proxy.hostname \
    private.hostname.with.access.to.postgres

chris-kobrzak

# Create a beefed up Podman virtual machine
podman machine init --cpus 3 --memory 6144 --disk-size 20

chris-kobrzak

sudo multipass set local.driver=virtualbox # errors on my work laptop

# Default driver
sudo multipass set local.driver=hyperkit

# Create a VM
multipass launch --name ubuntu2004

# Create a VM with custom parameters
multipass launch \