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1. Open Powershell as an administrator
2. Run

   Get-ItemProperty HKLM:\SYSTEM\CurrentControlSet\Enum\HID\*\*\Device` Parameters FlipFlopWheel -EA 0 | ForEach-Object { Set-ItemProperty $_.PSPath FlipFlopWheel 1 }

3. Verify that all mice devices have had their FlipFlopWheel attributes set to 1

   Get-ItemProperty HKLM:\SYSTEM\CurrentControlSet\Enum\HID\*\*\Device` Parameters FlipFlopWheel -EA 0

4. Reboot

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columns_that_make_record_distinct = [:some_id, :another_name]
distinct_ids = Model.select("MIN(id) as id").group(columns_that_make_record_distinct).map(&:id)

duplicate_records = Model.where.not(id: distinct_ids)

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This guide explains the way to setup a production server using Capistrano.

Setup Capistrano on LOCAL

• Capistrano is a development gem which assist the developer to run commands on the production server (something like a Heroku toolbelt)
• Hence, it is installed and configured on developer's computer

# Gemfile

# Use Capistrano for deployment

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2018-08-20: Postgres failure

What happened

The PostgreSQL container stopped unexpectedly, was automatically restarted, but suddenly didn't accept any connections anymore. Neither from the API service containers nor from the Macbook over the internet.

Error in logs:

FATAL:  pg_hba.conf rejects connection for host "10.0.1.2", user "postgres", database "******", SSL off

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People

:bowtie:	😄 :smile:	😆 :laughing:
😊 :blush:	😃 :smiley:	☺️ :relaxed:
😏 :smirk:	😍 :heart_eyes:	😘 :kissing_heart:
😚 :kissing_closed_eyes:	😳 :flushed:	😌 :relieved:
😆 :satisfied:	😁 :grin:	😉 :wink:
😜 :stuck_out_tongue_winking_eye:	😝 :stuck_out_tongue_closed_eyes:	😀 :grinning:
😗 :kissing:	😙 :kissing_smiling_eyes:	😛 :stuck_out_tongue:

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{
  	"Acre": ["Acrel\u00e2ndia","Assis Brasil","Brasil\u00e9ia","Bujari","Capixaba","Cruzeiro do Sul","Epitaciol\u00e2ndia","Feij\u00f3","Jord\u00e3o","M\u00e2ncio Lima","Manoel Urbano","Marechal Thaumaturgo","Pl\u00e1cido de Castro","Porto Acre","Porto Walter","Rio Branco","Rodrigues Alves","Santa Rosa do Purus","Sena Madureira","Senador Guiomard","Tarauac\u00e1","Xapuri"],
	"Alagoas": ["\u00c1gua Branca","Anadia","Arapiraca","Atalaia","Barra de Santo Ant\u00f4nio","Barra de S\u00e3o Miguel","Batalha","Bel\u00e9m","Belo Monte","Boca da Mata","Branquinha","Cacimbinhas","Cajueiro","Campestre","Campo Alegre","Campo Grande","Canapi","Capela","Carneiros","Ch\u00e3 Preta","Coit\u00e9 do N\u00f3ia","Col\u00f4nia Leopoldina","Coqueiro Seco","Coruripe","Cra\u00edbas","Delmiro Gouveia","Dois Riachos","Estrela de Alagoas","Feira Grande","Feliz Deserto","Flexeiras","Girau do Ponciano","Ibateguara","Igaci","Igreja Nova","Inhapi","Jacar\u00e9 dos Homens","Jacu\u00edpe","Japaratinga","Jaramataia","Jequi\u00e1 da Praia","Jo

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Finally, Simple Form support Boostrap 3. 👏

But I found it still dosen't support some components in Bootstrap 3. Or may be in the future. But I can't wait, so I find a solution to support them. It was inspired by heartcombo/simple_form#531 (comment) .

This is a final solution and I used in my project.

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Resize a Hard Disk for a Virtual Machine

Our Virtual Machines are provisioned using Vagrant from a Linux base box to run using VirutalBox. If the Hard Disk space runs out and you cannot remove files to free-up space, you can resize the Hard Disk using some VirtualBox and Linux commands.

Some assumptions

The following steps assume you've got a set-up like mine, where:

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My notes for Dokku on Digital Ocean.

These may be a bit outdated: Since I originally wrote them, I've reinstalled on a newer Dokku and may not have updated every section below.

Commands

Install dokku-cli (gem install dokku-cli) for a more Heroku-like CLI experience (dokku config:set FOO=bar).

# List/run commands when not on Dokku server (assuming a "henroku" ~/.ssh/config alias)

ssh henroku dokku

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sudo apt-get update
sudo apt-get install build-essential chrpath libssl-dev libxft-dev -y
sudo apt-get install libfreetype6 libfreetype6-dev -y
sudo apt-get install libfontconfig1 libfontconfig1-dev -y
cd ~
export PHANTOM_JS="phantomjs-2.1.1-linux-x86_64"
wget https://github.com/Medium/phantomjs/releases/download/v2.1.1/$PHANTOM_JS.tar.bz2
sudo tar xvjf $PHANTOM_JS.tar.bz2
sudo mv $PHANTOM_JS /usr/local/share
sudo ln -sf /usr/local/share/$PHANTOM_JS/bin/phantomjs /usr/local/bin