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Cyclic Programming Challenges

The 30 Days of Python, 30 Days of JavaScript, and 30 Days of React have helped hundreds of thousands of developers to improve their problem-solving skills and programming skill. If you want master JavaScript, Python, or React you may try these challenges in November. A monthly challenge that changes lots of people to an advanced developer.

πŸ’» 30 Days Of React:
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πŸ’» 30 Days Of JavaScript Github:
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πŸ’» 30 Days Of Python Github:
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11 Tips That Make You a Better Typescript Programmer


1 Think in {Set}

Type is an everyday concept to programmers, but it’s surprisingly difficult to define it succinctly. I find it helpful to use Set as a conceptual model instead.

#2 Understand declared type and narrowed type

One extremely powerful typescript feature is automatic type narrowing based on control flow. This means a variable has two types associated with it at any specific point of code location: a declaration type and a narrowed type.

#3 Use discriminated union instead of optional fields


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