Francesc Esplugas fesplugas

###Quick links to get started:

http://nithinbekal.com/posts/rails-presenters/

http://eewang.github.io/blog/2013/09/26/presenting-the-rails-presenter-pattern/

Thoughts about Rails Presenters

This is a collection of links, examples and rants about Presenters/Decorators in Rails.

Requirements

Minikube requires that VT-x/AMD-v virtualization is enabled in BIOS. To check that this is enabled on OSX / macOS run:

sysctl -a | grep machdep.cpu.features | grep VMX

If there's output, you're good!

Prerequisites

Vim without NERD tree or CtrlP

I used to use NERD tree for quite a while, then switched to CtrlP for something a little more lightweight. My setup now includes zero file browser or tree view, and instead uses native Vim fuzzy search and auto-directory switching.

Fuzzy Search

There is a super sweet feature in Vim whereby you can fuzzy find your files using **/*, e.g.:

:vs **/*<partial file name><Tab>

Kafka 0.11.0.0 (Confluent 3.3.0) added support to manipulate offsets for a consumer group via cli kafka-consumer-groups command.

List the topics to which the group is subscribed

kafka-consumer-groups --bootstrap-server <kafkahost:port> --group <group_id> --describe

Note the values under "CURRENT-OFFSET" and "LOG-END-OFFSET". "CURRENT-OFFSET" is the offset where this consumer group is currently at in each of the partitions.

Reset the consumer offset for a topic (preview)

Setting up ssh public key authentication on macOS using a YubiKey 4

I largely followed Florin's blog post, but have a few notes to add regarding issues I encountered:

Basic setup notes

I used a YubiKey 4, while the blog describes using a YubiKey NEO. I'm sure a YubiKey 5 would also work. I'm also running macOS 10.13.6.
I installed GPGTools as recommended. However, as I'll note later, it seems that gpg-agent only automatically starts when gpg is used; for ssh, you'll need to ensure it's running.
Before generating your keys, decide what key size you want to use. If you run the list command inside gpg --edit-card, look for the Key attributes line to see what is currently selected. On my YubiKey 4, it defaulted to 2048 bits for all keys:

Key attributes ...: rsa2048 rsa2048 rsa2048

	#!/usr/bin/env bash

	# based on discussion: https://github.com/atom-haskell/haskell-ghc-mod/issues/160

	origdir=$PWD

	# Source nix env because this script is intended to be
	# used by editors, e.g. Atom which doesn't source .bashrc,
	# and we need NIX_PATH to be set correctly.
	source ~/.nix-profile/etc/profile.d/nix.sh


	#
	# Ubuntu 18.04 (Bionic Beaver)
	#
	# Basic packages i usually install.
	#
	# Author: Julius Beckmann <[email protected]>
	#
	# Upgraded Script from 17.04: https://gist.github.com/h4cc/09b7fe843bb737c8039ac62d831f244e
	# Upgraded Script from 16.04: https://gist.github.com/h4cc/fe48ed9d85bfff3008704919062f5c9b

	#cloud-config

	# Set the hostname for this machine (takes precedence over hostname assigned by DHCP lease).
	hostname: myhost
	# Authorize SSH keys for the `rancher` sudoer user
	ssh_authorized_keys:
	- ssh-rsa AAA...ZZZ example1@rancher

	#!/bin/bash

	# !!WARNING!!
	# This will DELETE all efforts you have put into configuring nix
	# Have a look through everything that gets deleted / copied over

	nix-env -e '.*'

	rm -rf $HOME/.nix-*
	rm -rf $HOME/.config/nixpkgs

	streams
	.store("my_entity_store", QueryableStoreTypes.keyValueStore());
	.get(entityId);