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Certain jQuery object methods retrieve specific values (instead of modifying a state). An example of this is the val() method, which returns the current value of a text input element. In these cases, a statement such as $('#user-email').val() cannot be used for chaining as the return value does not reference a jQuery object.
React DOM – Fix passive effects (useEffect) not being fired in a multi-root app. React Is – Fix lazy and memo types considered elements instead of components 16.13.0 26 February 2020 Features added in React Concurrent mode. Fix regressions in React core library and React Dom. 16.14.0 14 October 2020 Add support for the new JSX transform. 17.0.0
A name–value pair, also called an attribute–value pair, key–value pair, or field–value pair, is a fundamental data representation in computing systems and applications. Designers often desire an open-ended data structure that allows for future extension without modifying existing code or data.
A weather forecasting app might integrate with a number of weather sensor APIs, gathering weather data from throughout a geographical area. An API is often compared to a contract. It represents an agreement between parties: a service provider who offers the API and the software developers who rely upon it.
Project Leading company Market value 1 Linux: Red Hat: $16 billion 2 Git: GitHub: $2 billion 3 MySQL: Oracle: $1.87 billion 4 Node.js: NodeSource ? 5 Docker: Docker $1 billion 6 Hadoop: Cloudera: $3 billion 7 Elasticsearch: Elastic $700 million 8 Spark: Databricks $513 million 9 MongoDB: MongoDB $1.57 billion 10 Selenium: Sauce Labs $470 million