Cooding Dessign
Posted in Javascript

How to unit test your Gatsby blog with React Testing Library

Writing unit tests will keep your Gatsby blog bug-free, and leads to more maintainable code. This post covers how you can use Jest and React…

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Cooding Dessign
Posted in Javascript

Take Off with AWS and Webiny

Beyond MVP The goal was to develop an MVP as a value-added module in the care sector in cooperation with the Versicherungskammer Bayern, S-Markt &…

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Cooding Dessign
Posted in Machine Learning

PySpark fillna() & fill() – Replace NULL Values

In PySpark, DataFrame.fillna() or DataFrameNaFunctions.fill() is used to replace NULL values on the DataFrame columns with either with zero(0), empty string, space, or any constant…

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Cooding Dessign
Posted in Machine Learning

PySpark How to Filter Rows with NULL Values

While working on PySpark SQL DataFrame we often need to filter rows with NULL/None values on columns, you can do this by checking IS NULL…

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Cooding Dessign
Posted in Javascript

Javascript object re-formatting

asj 4 hours ago. I have data as follows: { “2011”:{ “01”:{ “01”:[ { “date”:”2011-01-01″ }, { “date”:”2011-01-02″ } ] }, “02”:{ “01”:[ { “date”:”2011-02-02″…

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Cooding Dessign
Posted in Machine Learning

Spark Installation on Linux Ubuntu

Let’s learn how to do Apache Spark Installation on Linux based Ubuntu server, same steps can be used to setup Centos, Debian e.t.c. In real-time…

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Cooding Dessign
Posted in Javascript

Simplifying your application state management with Recoil

In Webiny we have the Page Builder Application that was built with help of redux as global state management. We decided to switch our Page…

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Posted in Javascript

Deep Dive into Page Lifecycle API

Browser API Every Frontend Developer Should Know Photo by Jeremy Perkins on Unsplash As users, we always like to multi-task while browsing web pages. So…

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Posted in Javascript

I’m Ready to check if the images or videos are loaded!

I’m Ready I’m Ready to check if the images or videos are loaded! Demo / API Features Check that all images and videos in the…

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Cooding Dessign
Posted in Javascript

Prefetching and dynamic routing with Next.js

Server-side rendering (SSR) has become a widely adopted technique to enhance the performance and SEO of web applications. And while static site generation (SSG) is…

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