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JavaScript immediately invoked function expressions

JavaScript Immediately Invoked Function Expressions (IIFEs) are functions that are executed when they are initialized. An IIFE (pronounced “iffy”) can be initialized or defined to achieve a certain purpose. In this tutorial, you will learn about use cases for IIFEs and the benefits of using them over traditional functions. You will also write tests for your functions and integrate CI/CD for these tests.


Configuring notifications for your CI builds with Slack and Twilio

CircleCI notification orbs were built to deliver messages to the appropriate channels when a build is successful or when it fails. This helps everyone involved in a project stay up-to-date with the status of the latest build. In this tutorial, you will explore and implement notifications sent to a Slack channel and also sent via SMS. To accomplish this task, you will make use of the Slack and Twilio orbs from the CircleCI orb registry.

Season 2 finale: How to grow from failure in 2023 + Rob's worst failure

In the finale episode of season 2, our podcast producer Julia McClellan turns the tables on Rob to see what he's really learned from interviewing 18 top tech leaders in 2022. Rob reflects on how to grow, communicate, and change our ways from experiencing failure. Tune in today to hear Rob share his most catastrophic failure and catch a special preview to season 3.

Is a multicloud strategy right for your organization?

For the last few years, many development teams have replaced traditional data centers with cloud-hosted infrastructure. Cloud adoption continues to grow, and teams are updating applications to leverage cloud-based services. But for many organizations, adopting a single cloud provider to host all their applications and data can put their business at risk. To reduce these risks, some organizations are distributing resources across multiple cloud providers in a specifically designed way.


Deploy Django apps to AWS Elastic Beanstalk

Your software development team has an enormous number of tools available to them. Some older tools are being used in new ways, which has inspired the creation of more new tools to choose from. For example, JavaScript has grown from a language used to add interactivity on websites to a full-stack language for both frontend and backend needs. JavaScript has paved the way for Express, Nest.js, and many others.

Leveraging failure to achieve scale ft. Shailesh Kumar, SVP of Engineering at ClickUp

How do you not take failure personally, but instead use it as a tool for growth? Shailesh Kumar, SVP of Engineering at ClickUp, sits down with Rob to share his experiences being a part of numerous organizations on the brink of major growth. As head of engineering, Shailesh has had to manage his teams through difficult circumstances like platform stability challenges with a healthy dose of trial and error.

Building an automated unit testing pipeline for serverless applications

The Serverless framework is an open-source framework written in Node.js that simplifies the development and deployment of AWS Lambda functions. It frees you from worrying about how to package and deploy the application to the cloud, so you can focus on your application logic. Serverless applications are distributed by design, so good code coverage is vital, and should include unit testing.