npm v3.10 - ◾
npm install -g npm
# Downgrade to a specific version
npm install -g npm@6
<?php | |
namespace Authentication\Controller; | |
use Employee\Model\EmployeeTable; | |
use Main\Form\LoginForm; | |
use Zend\Authentication\Adapter\DbTable\CredentialTreatmentAdapter; | |
use Zend\Authentication\AuthenticationService; | |
use Zend\Db\Sql\Select; | |
use Zend\Mvc\Controller\AbstractActionController; |
npm install -g npm
# Downgrade to a specific version
npm install -g npm@6
Magic words:
psql -U postgres
Some interesting flags (to see all, use -h
or --help
depending on your psql version):
-E
: will describe the underlaying queries of the \
commands (cool for learning!)-l
: psql will list all databases and then exit (useful if the user you connect with doesn't has a default database, like at AWS RDS){- Implementation of BST (binary search tree) | |
Script is absolutly free/libre, but with no guarantee. | |
Author: Ondrej Profant -} | |
import qualified Data.List | |
{- DEF data structure -} | |
data (Ord a, Eq a) => Tree a = Nil | Node (Tree a) a (Tree a) | |
deriving Show |