explanation.txt

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*Note: To start a certain project, rename   * 
*it's html file to index.html, and run the  *
*npm start command                          *
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*Playground - part of the project,          * 
*with multiple test files, used for         *
*revising some core features of TS          *
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*Project Manager - part of the project,     * 
*which contains a drag&drop web app         *
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*Search Address - part of the project,      * 
*which uses OpenLayers API                  *
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*Rest Api - a small test REST API made with * 
*Node.js and TypeScript                     *
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*Important concepts:                        *
*Type Guards, Type Castings,                *
*Discrimination unions, Property Indexes    *
*Function overloads, Optional chaining (?)  *
*Nullish Coalescing (??)                    *
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