Ricardo Eihara rhiroyuki

Making Lexmark x1180 scanner work on Manjaro/Arch linux:

https://wiki.archlinux.org/index.php/SANE
https://www.archlinux.org/packages/extra/x86_64/sane/

Install sane

yaourt -S sane --noconfirm

You may need to unplug and plug the scanner in order to make sane discover it.

Semantic Commit Messages

See how a minor change to your commit message style can make you a better programmer.

Format: <type>(<scope>): <subject>

<scope> is optional

Example

REDIS

if value is of type string -> GET <key>
if value is of type hash -> HGETALL <key>
if value is of type lists -> lrange <key> <start> <end>
if value is of type sets -> smembers <key>
if value is of type sorted sets -> ZRANGEBYSCORE <key> <min> <max>

command to check the type of value a key mapping to:

Access using the -Y option of SSH

$ ssh -Y hey@myip

Check if the VIM installed on the SSH machine is able to use the system clipboard

inside VIM, type :echo has('clipboard'), if it returns 0 then it means it needs to install another distribution that comes with cliboard.

On Ubuntu you can install vim-gtk or vim-gtk3 to install VIM with clipboard, but first you need to remove the current VIM:

$ sudo apt remote vim

$ scp -pvC [email protected]:/awesomecsvfile.csv .

WIP

One of the problems I've faced recently was a ruby class that heavily used merge! through all their methods. If you don't know what .merge do, let me explain it first:

If you have a ruby hash and want to add a new key with a value you have two ways to do it:

product = {
  sku: 'SKU1234567'
}

	#! /usr/bin/env bash

	# I HATE INTERMITTENT TESTS

	RED='\033[0;31m'
	NC='\033[0m' # No Color
	GREEN='\033[0;32m'

	seed=2499

	HEROKU_ENVIRONMENT=staging

	heroku maintenance:on --remote "$HEROKU_ENVIRONMENT"

	heroku ps:scale --remote "$HEROKU_ENVIRONMENT" > dynoscales
	heroku ps:scale $(heroku ps:scale --remote "$HEROKU_ENVIRONMENT" \| sed -E 's/=([0-9]+):/=0:/g') --remote "$HEROKU_ENVIRONMENT"

	git push "$HEROKU_ENVIRONMENT" HEAD:master

	# You should check first if you need to run any other scrips before atempting to deploy to production

	WebUI:
	https://localhost:15672