![]() Programming languages usually have an API available, and Node.js is no exception. Having said that, you can call it whatever you'd like as long as the first requirement is met. For example, a simple quadratic solver can be called Quadratic.js. If you are prompted to import a key, enter Y to continue.Įnsure the installation was successful: node -vĪll Node.js files must end with. Update your package manager: yum update -y Note, this figure depends on the application that you'll be running.įor this tutorial, you'll also need a text editor, such as Vim or Nano. This article will only cover the installation process for CentOS.Ī minimum of 256 MB of RAM. This means that it is nearly impossible to find errors in your code if you have a JS file that is thousands of lines long.Īny modern version of Ubuntu, CentOS, or Debian installed. Unlike Java, exceptions are difficult to implement. ImageMagick, for example, is a popular library used on PHP that is not supported with Node.js. Node.js may occasionally take longer to write code for, as it can not easily use other libraries. This means that calls or methods you use may not work in a previous or future version of Node.js. Unfortunately, though, Node.js does have it's share of disadvantages:Īs it is a relatively new language, compared to something like PHP, it's codebase is updated often. Uses the largest repository of packages in the world: npm. This includes the ability to edit, move or delete files as well as interact with MySQL, MongoDB, and a plethora of other things without having to use the included package manager. Has most of the basic functions you will need built-in. Supports most Linux distributions and has a large number of pre-written packages available for you to use. For example, when a user makes a request to a Node.js-written script, Node.js continues to be available for new requests while processing the current request. Node.js has several advantages, such as the following: Node.js is also very memory efficient, handles all requests asynchronously, and the included package manager has access to the largest repository in the world. Based on JavaScript, Node.js can be used by most web developers who wish to perform server-side operations without having to learn a completely new language. If you want a quick and efficient way to get a blog up and running, Node.js can simplify the process. To name a few, Node.js is very efficient for serving dynamic content. cURL is a command line tool and library for transferring data with is both open source and free, and is used for a variety of purposes. Most *nix based systems have cURL support out of the box. Setting up Web3 SDKs & Programming Languages cURL Learn more about multiple authentication tokens in this QuickNode guide. ![]() To roll an individual authentication token, create an additional token and then delete the previous token. This allows you to revoke any tokens that may be comprised, without needing to restart your non-compromised endpoint. Multiple Authentication Tokens - Create multiple authentication tokens for each of your deployed endpoints. Learn how to use JWT with QuickNode in this step-by-step guide. JWT allows for stateless authentication between you and your endpoint. JWT (JSON Web Tokens) - For additional security, you can also enable JWT for each of your deployed endpoints. If you're running a dedicated endpoint, you cannot disable token authentication or roll your token - so be careful where you share your endpoint URL!
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