How do I manage MongoDB connections in a Node.js web application?

The primary committer to node-mongodb-native says: You open do MongoClient.connect once when your app boots up and reuse the db object. It’s not a singleton connection pool each .connect creates a new connection pool. So, to answer your question directly, reuse the db object that results from MongoClient.connect(). This gives you pooling, and will provide … Read more

Cannot Connect to Server – A network-related or instance-specific error

I found the following techniques helpful: Make sure your database engine is configured to accept remote connections: Start > All Programs > SQL Server 2005 > Configuration Tools > SQL Server Surface Area Configuration Click on Surface Area Configuration for Services and Connections Select the instance that is having a problem > Database Engine > … Read more

MySQL Error: : ‘Access denied for user ‘root’@’localhost’

All solutions I found were much more complex than necessary and none worked for me. Here is the solution that solved my problem. There isn’t any need to restart mysqld or start it with special privileges. sudo mysql — for MySQL ALTER USER ‘root’@’localhost’ IDENTIFIED WITH mysql_native_password BY ‘root’; — for MariaDB ALTER USER ‘root’@’localhost’ … Read more

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)