maierru

#!/bin/bash

# https://www.reddit.com/r/homelab/comments/b5xpua/the_ultimate_beginners_guide_to_gpu_passthrough/

# intel based script

apt-get update
apt-get upgrade -y

echo "current value of GRUB_CMDLINE_LINUX_DEFAULT"

maierru

$ irb -r ./select_server
>> client.puts "hi"
=> nil
>> client.puts "bye"
=> nil
>> client.close
=> nil
>> exit

maierru

# 1. Clear retry set

Sidekiq::RetrySet.new.clear

# 2. Clear scheduled jobs 

Sidekiq::ScheduledSet.new.clear

# 3. Clear 'Processed' and 'Failed' jobs

maierru

$ for i in {1..12}; do date -v1d -v-1d -v-${i}m +%Y-%m-%d; done
2018-11-30
2018-10-31
2018-09-30
2018-08-31
2018-07-31
2018-06-30
2018-05-31
2018-04-30
2018-03-31

maierru

sleep 10 && echo -en "\007"

maierru

# gem install benchmark-ips

require "benchmark/ips"

path = "lib/rubycritic/cli/options.rb"

Benchmark.ips do |x|
  x.report("read + each_line") { File.read(path).each_line.count }

  x.report("open + each_line") { File.open(path, "r").each_line.count }

maierru

SELECT l.what, l.nr AS "bytes/ct"
     , CASE WHEN is_size THEN pg_size_pretty(nr) END AS bytes_pretty
     , CASE WHEN is_size THEN nr / x.ct END          AS bytes_per_row
FROM  (
SELECT min(tableoid)        AS tbl      -- same as 'public.tbl'::regclass::oid
     , count(*)             AS ct
     , sum(length(t::text)) AS txt_len  -- length in characters
FROM   public.write_a_table_name_instead t  -- provide table name *once*
   ) x
 , LATERAL (

maierru

CREATE TABLE accounts(
	id serial PRIMARY KEY,
	name VARCHAR(256) NOT NULL
);

CREATE TABLE entries(
	id serial PRIMARY KEY,
	description VARCHAR(1024) NOT NULL,
	amount NUMERIC(20, 2) NOT NULL CHECK (amount > 0.0),
	-- Every entry is a credit to one account...

maierru

package main

import (
	"fmt"
	"os"
	"os/signal"
	"syscall"
	"time"
)

maierru

# Move erts IO Polling to dedicated threads
# https://github.com/erlang/otp/pull/1552