Best platform for coding & programming testing everyday to improve coding skills in various language?

This page summarizes the projects mentioned and recommended in the original post on /r/learnprogramming

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  • advent-of-code-jq

    Solving Advent of Code with jq

    Advent of Code

  • Exercism - Scala Exercises

    Crowd-sourced code mentorship. Practice having thoughtful conversations about code.

    Exercism is pretty good for beginners with some programming language, they are open source and worth contributing to.

  • InfluxDB

    Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

  • W3Schools

    W3Schools Full Offline Version

    Hey, I'd recommend W3Schools. Although not up to date it's a great platform to test out fundamentals and get a small environment quickly for simplicity sakes.

  • codewars.com

    Issue tracker for Codewars

    Codewars is a good platform. Here you can practice code kata's daily in your preferred programming language. Link: https://www.codewars.com/

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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