Gavin (Saturn XXVIII) erriapo

Restart/reset USB kernel module in Ubuntu 18.04 without rebooting

Restart USB ports after a power overdraw (error -110). Unplug all devices prior to running script.

References:

Avoiding padding errors with Python's base64 encoding

>>> import base64
>>> data = '{"u": "test"}'
>>> code = base64.b64encode(data)
>>> code
'eyJ1IjogInRlc3QifQ=='

"A little bit of slope makes up for a lot of y-intercept"

01/13/2012. From a lecture by Professor John Ousterhout at Stanford, class CS140

Here's today's thought for the weekend. A little bit of slope makes up for a lot of Y-intercept.

[Laughter]

Add this in your ini file:

[alembic:exclude]
tables = spatial_ref_sys

In env.py:

def exclude_tables_from_config(config_):
    tables_ = config_.get("tables", None)

if tables_ is not None:

This is copy of Debugging with ipython and ipdb.

Debugging with ipython and ipdb

Make sure you have setuptools installed

http://pypi.python.org/pypi/setuptools/
Try to run which easy_install
Should return something like: /usr/local/share/python/easy_install

FWIW: I didn't produce the content presented here (the outline from Edmond Lau's book). I've just copy-pasted it from somewhere over the Internet, but I cannot remember what exactly the original source is. I was also not able to find the author's name, so I cannot give him/her the proper credits.

Effective Engineer - Notes

By Edmond Lau
Highly Recommended 👍
http://www.theeffectiveengineer.com/

What's an Effective Engineer?

Each of these commands will run an ad hoc http static server in your current (or specified) directory, available at http://localhost:8000. Use this power wisely.

Discussion on reddit.

Python 2.x

$ python -m SimpleHTTPServer 8000

	from django.db.models.signals import post_init

	def track_data(*fields):
	"""
	Tracks property changes on a model instance.

	The changed list of properties is refreshed on model initialization
	and save.

	>>> @track_data('name')

	#!/bin/bash
	# bash generate random alphanumeric string
	#

	# bash generate random 32 character alphanumeric string (upper and lowercase) and
	NEW_UUID=$(cat /dev/urandom \| tr -dc 'a-zA-Z0-9' \| fold -w 32 \| head -n 1)

	# bash generate random 32 character alphanumeric string (lowercase only)
	cat /dev/urandom \| tr -dc 'a-zA-Z0-9' \| fold -w 32 \| head -n 1

	#!/bin/bash

	set -eu
	umask 0022

	if [[ $# -lt 1 ]]; then
	echo "Usage: $0 role_name [AWS ACCOUNT NUMBER]" >&2
	exit 1
	fi