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# Many of these are obvious and stupidly simple, but for your reference and copy-pasting pleasure…


# Mextify all (with workaround for pesky samples that contain multi-line RSA key that breaks pt-mext)
for i in $(ls $1/*-mysqladmin); do { (cat $i | sed -e '/\-\-\-\-\-BEGIN\ PUBLIC\ KEY/,+9d' | pt-mext -r -- cat -) > $i.mext && echo $i.mext;} done;

# Inspect given variable through multiple mext samples (revealing ;-))
grep Table_locks_waited *.mext |less -S

#Find contentious tables

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function! Sort(type, ...)
    '[,']sort
endfunction
nmap <silent> <key> :set opfunc=Sort<CR>g@

" usage:
" <key>ip
" <key>G

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#!/usr/bin/env bash

# convert video files into the WebM format in batches using ffmpeg (and preferrably GNU parallel) 

# exit on error or use of undeclared variable or pipe error:
set -o errexit -o nounset -o pipefail

# -crf 10 : Constant Rate Factor (crf) gives video quality from 0 (lossless) to 63 (worst); default is 23.
# -c:a/v ... = transform the audio/video data using ...
# -b:a/v ... = audio/video bitrate is ...

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Off the beaten path

What is &path used for?

Vim uses :help 'path' to define the root directories from where to search non-recursively for files.

It is used for:

• gf, gF, <C-w>f, <C-w>F, <C-w>gf, <C-w>gF,
• :find, :sfind, :tabfind,

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version: '3.4'
services:
  main:
    # Makefile fills PROJECT_NAME to current directory name.
    # add UID to allow multiple users run this in parallel
    container_name: ${PROJECT_NAME}_${HOST_UID:-4000}
    hostname: ${PROJECT_NAME}
    # These variables are passed into the container.
    environment:
      - UID=${HOST_UID:-4000}

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# --------------------------------------------------------------------
# Copyright (c) 2019 LINKIT, The Netherlands. All Rights Reserved.
# Author(s): Anthony Potappel
# 
# This software may be modified and distributed under the terms of the
# MIT license. See the LICENSE file for details.
# --------------------------------------------------------------------

# If you see pwd_unknown showing up, this is why. Re-calibrate your system.
PWD ?= pwd_unknown

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FROM alpine as base

RUN apk update \
    && apk add --no-cache \
        bash

FROM scratch as user
COPY --from=base . .

ARG HOST_UID=${HOST_UID:-4000}

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#!/usr/bin/awk -f

# Source: http://c2.com/doc/expense/

/^[A-Z]+[A-Z0-9]*$/ {
	if (sums[$1] == "" || $1 == "SUM") {
		sums[$1] = sum			# Define Symbol
		$1 = sum
		sum = 0
	}

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autocmd BufNewFile,BufRead * call <SID>DetectFrontEndFramework()

function! s:DetectFrontEndFramework()
    if v:version >= 801 && has('patch1803')
        let package_json = findfile('package.json', '.;')

        if len(package_json)
            let dependencies = readfile(package_json)
                        \ ->join()
                        \ ->json_decode()

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README

Create a template service file at /etc/systemd/system/secure-tunnel@.service. The template parameter will correspond to the name of target host:

[Unit]
Description=Setup a secure tunnel to %I
After=network.target