Capture and Report JavaScript Errors with window.onerror

onerror is a special browser event that fires whenever an uncaught JavaScript error has been thrown. It's one of the easiest ways to log client-side errors and report them to your servers. It's also one of the major mechanisms by which Sentry's client JavaScript integration (raven-js) works.

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How to set-up a powerful API with Nodejs, GraphQL, MongoDB, Hapi, and Swagger

I’m all for hiring juniors and training your staff, and that’s exactly why you should separate concerns. With separation of concerns, you can reduce the complexity of your application by splitting responsibilities into “micro-services” where each team is specialized in their micro-service.

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Building a responsive image

There are quite a few articles on the web that deal with responsive logos. The most popular example might be the Responsive Logos website that shows some very well known logos in different variations for different screen sizes.

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Build Multiple Stacking Sticky Sidebars with Pure CSS and Bootstrap 4

Making high performant, pure CSS sticky sidebars that stack with Bootstrap 4. This will be a quick and pretty cool tutorial on a neat trick on how to have multiple sticky sidebars that stack without using any JavaScript!

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The most important lessons I’ve learned after a year of working with React

Starting out with a new technology can be quite troublesome. You usually find yourself in a sea of tutorials and articles, followed by millions of personal opinions. And every single one states that they found the “right and perfect way.”

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Angular Material And Angular 6 – Material Design For Angular

Angular Material is a collection of Material Design components for Angular. By using these components you can apply Material Design very easily. With the release of Angular 6 the usage of Angular Material has become easier as well. In this tutorial we’ll take a look at the recent changes.

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How to Record HTTP/HTTPS Traffic With mitmproxy

Mobile performance engineering projects often require record and play functionality. JMeter has a very good Proxy Recorder, but there are other tools to help you overcome the challenges. One of these tools is mitmproxy. Mitmproxy is a lightweight, fully capable proxy recorder.

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