A big part of working with JavaScript is knowing how to connect to APIs. As a fledgling developer, you may have been told at some point to just "play around with some APIs!" to learn what they are and how to work with them. If you've ever taken a look at the documentation for an...
In this guide, we will learn how to use Web3 to connect to the Ethereum blockchain using HTTP and grab the latest block number. The cool thing about this will be that our code will work for both a front-end (with a build system, like webpack) an...
Now let's install the ethers.js package, which will help us to connect to the ethereum network and build awesome dApp frontends. You can install it with npm from the command line: $npminstall--saveethers The most common issue at this step is an internal failure with `node-gyp`. You ...
In the preceding code block, you first import theFlaskobject from theflaskpackage. You then use it to create your Flask application instance with the nameapp. You pass the special variable__name__that holds the name of the current Python module. It’s used to tell the instance where it...
Download Python's latest version. Learn how to install Python with this easy guide, which also provides a clear prerequisite explanation for downloading Python.
To play with our Python program, we will use an InnoDB Cluster. This is an overview of the cluster in MySQL Shell: JS > cluster.status() { "clusterName": "fred", "defaultReplicaSet": { "name": "default", "primary": "127.0.0.1:3310", ...
How to work with Node.js App Our Setup Node.js App feature allows for the choosing a specific version of Node.js in order to run the apps using Node.js 6.x, 8.x, 9.x, 10.x, 11.x, 12.x, 14.x, 16.x, 18.x, 19.x, 20.x and 22.x versions. The currently available Node...
In order to start working with the REST API through Python, you will need to connect a library to send HTTP requests. The choice of the library depends on the version of Python. If you use Python 2, we recommend using unirest because of its simplicity, speed, and ability to work with ...
a transaction with several inserts and rollback This is the source of the program: Copy code snippet Copied to Clipboard Error: Could not Copy Copied to Clipboard Error: Could not Copy import mysql.connector cnx = mysql.connector.connect(user='python', ...
APIs offer the best way to separate your backend from the front. One of its advantages is it lets you decouple the client-side from the server-side easily. You've seen how to connect JavaScript to Python and send data to the server, but that's only a scratch of the surface. ...