The MongoDB Node.js driver allows Node.js applications to connect to MongoDB and work with data. The driver features an asynchronous API which allows you to interact with MongoDB using Promises or via traditional callbacks. Whether you are new to MongoDB or you just want to brush up on the core concepts, you can check out the Fundamentals section which features material on using the Node.js driver. The connection URI is the set of instructions that the driver uses to connect to a MongoDB...
This HTML utility allows the user to select standard color codes or surface mount numbers, then it identifies the resistor value. There is no need to memorize color codes or multipliers. An online working example of this program can be used at ZoomAviation.com/programs.