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5 common TypeScript interview questions

These five questions show up in almost every TypeScript interview. They're not tricky syntax puzzles. They test whether you understand the type system

typescript dev.to Sep 10, 2026

Variables in TypeScript

Variables are one of the most basic building blocks of any TypeScript program. They allow you to store information such as names, numbers, user data,

typescript dev.to Sep 10, 2026

What Is TypeScript?

TypeScript is a programming language developed by Microsoft that builds on JavaScript by adding static typing and other development features. Think of

typescript dev.to Sep 10, 2026

Ruby のブロックと yield を一番簡単な例で

Ruby を書いていると必ず出てくる「ブロック」と「yield」。 難しく見えますが、要は 「処理を渡す」「渡された処理を実行する」 だけです。 ブロックとは メソッドに渡す「処理のかたまり(コードの切れ端)」 のこと。 { } か do...end で囲みます。 [1,

ruby dev.to Sep 10, 2026

This Week in PHP Internals | Sept 9, 2026

A PHP RFC went to a vote on Friday. By Sunday night its author had pulled it back, over a no vote from the person who wrote the policy it broke. What'

php dev.to Sep 10, 2026
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