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4 posts tagged with "javascript"

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Virtualization in React JS

· 2 min read
Juan Emilio Rivero
Juan Emilio Rivero
Frontend Developer

When our App contains lists or tables with a large number of elements, the performance will be affected due to loading all these elements into the DOM. Virtualization is a technique to improve the performance of WebApps that need to display large volumes of data, either in the form of lists or tables. The logic of Virtualization consists of rendering only the elements that are currently in the user's viewport. This serves to improve the initial load of the App, resulting in a better UX.

EPSG:3857 and EPSG:4326... How to transform coordinates between them?

· 4 min read
Lucas Serral
Software Architect

When working with maps and geographic spaces in software development, it is very common to come across different EPSG coordinate references. EPSG:3857 and EPSG:4326 are are two of the most used ones.

In some cases, it is necessary to switch from one to the other so that the project to be developed is consistent with the rest of the project or compatible with the platform on which we are developing.

EPSG:3857, EPSG:4326