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ActiveRecord::Base.logger = Logger.new(STDOUT)

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SELECT column1, count(*)
FROM table
GROUP BY column1
HAVING count(*) > 1;

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Create a new react app with typescript

npx create-react-app <project name> --typescript
cd <project name>
yarn add tslint tslint-react tslint-config-prettier --save-dev

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## General Stuff

### List all tables
SELECT * FROM pg_catalog.pg_tables

### Create a new user and give it superuser access
CREATE USER adminuser createuser password '1234Admin';
ALTER USER adminuser createuser;

### Create a user without superuser privilege

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Find the device name

fdisk -l

Format the drive

sudo mkfs -t ext4 /dev/xvdf

Mount and specify file system type

sudo mount /dev/xvdf /mnt/docker/ -t ext4

Verify it

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Deploy Rails app to digitalocean with nginx, unicorn, capistrano & postgres

Create droplet of your liking (ubuntu 12.10 x32)

ssh to root in terminal with your server ip

ssh root@123.123.123.123

Add ssh fingerprint and enter password provided in email

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 private bool ValidRequisitieMeet(int userId, int subjectId)
        {
            // Fetch the enrollment passed status from configuration file
            var passed = TryToParse(ConfigurationManager.AppSettings.Get("EnrollmentStatusPassed"));

            var requisites = (from r in _context.Requisites
                             where r.SubjectId == subjectId
                             select r); 

            // For the sake of readability, use traditional way

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Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\Software\SimonTatham\PuTTY\Sessions\Default%20Settings]
"Font"="Ubuntu Mono"
"FontIsBold"=dword:00000000
"FontCharSet"=dword:00000000
"FontHeight"=dword:0000000c
"FontVTMode"=dword:00000004
"UseSystemColours"=dword:00000000
"TryPalette"=dword:00000000

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rvm uninstall ${YOURUBYVERSION}
sudo apt-get install libreadline-dev
rvm install ${YOURUBYVERSION} --with-readline-dir=/usr/include/readline

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xrandr --newmode $(cvt 1920 1200 60 | grep Mode | sed -e 's/.*"/1920x1200/')

xrandr --addmode VGA1 1920x1200