Dan Ryan danryan

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Orthodox C++

What is Orthodox C++?

Orthodox C++ (sometimes referred as C+) is minimal subset of C++ that improves C, but avoids all unnecessary things from so called Modern C++. It's exactly opposite of what Modern C++ suppose to be.

Why not Modern C++?

Install the ELRepo and GPG key

rpm --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org
yum install -y http://www.elrepo.org/elrepo-release-7.0-2.el7.elrepo.noarch.rpm

Enable kernel updates from elrepo

yum-config-manager --enable elrepo-kernel

Kubectl output options

Let's look at some basic kubectl output options.

Our intention is to list nodes (with their AWS InstanceId) and Pods (sorted by node).

We can start with:

kubectl get no

FaaS - functions as a Service Quick Start / Test Drive

This page has moved into the repository!

Head over the to Github repository for the TestDrive document

cb

A leak-proof tee to the clipboard

This script is modeled after tee (see [man tee][2]) and works on Linux, macOS, Cygwin, WSL/WSL2

It's like your normal copy and paste commands, but unified and able to sense when you want it to be chainable.

This project started as an answer to the StackOverflow question: [How can I copy the output of a command directly into my clipboard?][3]

Bitcoin: Migrate away from Armory Wallet

Previously I setup an Armory online/offline/cold/paper bitcoin storage system. Recently I decided to migrate my bitcoin from Armory wallet cold storage to the BIP39 and related standards. I hadn't switched on the offline PC in a long time, and neither had I updated the blockchain on the online PC. Thus, I started considering my recovery options should something have broken or gone missing. Below are some of the ways I found to recover and move bitcoin in such failure scenarios.

Armory Paper Backup -> Root Key

Version 1.35c

The single-sheet Armory paper backup directly displays the Root Key, e.g.:

Root Key:     nidh jtfj ejue whkj dngt dftt hsss idgh ssss
              wwad dojw aeja idfg went ukkk sajj uuwj kwjt

	/* ~/Library/KeyBindings/DefaultKeyBinding.Dict

	This file remaps the key bindings of a single user on Mac OS X 10.5 to more
	closely match default behavior on Windows systems. This makes the Command key
	behave like Windows Control key. To use Control instead of Command, either swap
	Control and Command in Apple->System Preferences->Keyboard->Modifier Keys...
	or replace @ with ^ in this file.

	Here is a rough cheatsheet for syntax.
	Key Modifiers

	# import config.
	# You can change the default config with `make cnf="config_special.env" build`
	cnf ?= config.env
	include $(cnf)
	export $(shell sed 's/=.*//' $(cnf))

	# import deploy config
	# You can change the default deploy config with `make cnf="deploy_special.env" release`
	dpl ?= deploy.env
	include $(dpl)

	vault.barrier.*
	name="vault_barrier"
	method="$1"

	vault.consul.*
	name="vault_consul"
	method="$1"

	vault.route..
	name="vault_route"