Terry Brown tbnorth

First thing you usually see is a message like this when you try and push:

TBrown02@LZ2626XTBROWN02 MINGW64 /r/conflictdemo2 (master)
$ git push
To https://github.com/tbnorth/conflictdemo.git
 ! [rejected]        master -> master (fetch first)
error: failed to push some refs to 'https://github.com/tbnorth/conflictdemo.git'
hint: Updates were rejected because the remote contains work that you do
hint: not have locally. This is usually caused by another repository pushing

Say you have a large amount of data you want to send in a folder, say /path/to/large/data. Make a new folder, somewhere it can be accessed by your recipient, by FTP / scp / ssh / HTTP, whatever. E.g. /other/path/to/parts. Then do:

SOURCE="/path/to/large/data"
DEST="/other/path/to/parts"
tar cf - "$SOURCE" | gzip | split -da6 -b10M - "$DEST"/part.
sha1sum "$DEST"/part.* >"$DEST"/checksums.txt

Be careful to omit trailing slashes, as in the first two lines above.

One time,

echo -e '\usepackage{extsizes}\n\usepackage[margin=0.25in]{geometry}' >extsizes.inc

because -V geometry:margin=0.25in is ignored for some reason.

Then

pandoc https://raw.githubusercontent.com/tbnorth/deltest/554550cf/toolsdemo.md \
 --include-in-header extsizes.inc -V documentclass=extarticle \

Apache Guacamole using Docker to put your personal desktop on the web

This guide doesn't cover security issues at all.
This guide is intended to just get your personal desktop onto the web so you can use it remotely, it doesn't cover serious multi-user Guacamole deployment.
At the end of this file there are some notes on installing docker, running a VNC server, and setting up a web proxy, but this guide really isn't meant to cover those topics.
This guide is based on [Installing Guacamole with Docker

A sed solution that selects a column by number:

echo 0 1 2 3 iv 5 6 | sed -E 's/^(\S+\s+){4}(\S+).*/\2/'

or

echo 0 1 2 3 iv 5 6 | sed 's/^\(\S\+\s\+\)\{4\}\(\S\+\).*/\2/'

	backtick 1 60 60 date -d-1hour +%H:%M
	caption always
	caption string "%{gk}%-w%{= ky}%45>*%t%{-}%+w%<"
	# leave the above in so install_env doesn't re-add it
	caption string "%{gk}%1` %-w%{= ky}%45>%t%{-}%+w%<"

	# screen bash
	shell "/usr/bin/bash"

	# bind ^a^c screen bash

	# change these bits then run the script to generate the SQL, e.g.
	# <edit file>
	# <save file>
	# bash uniqify.sql.sh >fix_mytable.sql
	# then execute the SQL line by line checking the results, preferably in
	# a transaction you can roll back or a copy of the DB

	# START OF THINGS TO CHANGE

	# the table containing duplicates

	"""
	docstrings.py - show docstrings for .py files

	Terry N. Brown [email protected] Tue Aug 20 16:25:39 EDT 2019
	"""

	import argparse
	import ast
	import os
	from functools import reduce

	"""
	to_subdirs.py - move directory content to subdirs based on common prefix

	Terry N. Brown [email protected] Mon Jun 24 16:11:59 EDT 2019
	"""

	import os
	import re
	import sys
	from collections import namedtuple, defaultdict

	# A simple test of SQLite's ability to handle simultaneous connections.
	# Result: no problem, DB content at end of test is correct.
	# Note: by default, SQLite seems to sync. the disk on .commit(), so the
	# test below will grind a physical disk for a long time. The DB path
	# used below is a RAM disk, execution is acceptably fast on that.

	import multiprocessing
	import sqlite3

	DB = "/home/tbrown/r/test.db"