Dec 18, 2025 · 4 min read · Le bool qui fâche Les méthodes ne doivent jamais (ou presque) retourner bool Quand une fonction peut échouer pour une ou plusieurs causes, retourner bool (true/false) fait perdre l'information la plus utile : le “pourquoi”. L'appelant reçoit false e...
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Oct 22, 2025 · 9 min read · Introdução Olá turma! Você já pensou como o computador entende o número 10 ou a palavra ‘Olá’? Então, hoje vamos entender como isso acontece. E para isso, temos que definir: O que são dados? Como o computador representa esses dados? Quais são os t...
Join discussionAug 26, 2025 · 2 min read · 🔹 What is Boolean? Boolean is a built-in JavaScript function that converts any value into either: true ✅ (if the value is truthy) false ❌ (if the value is falsy) It basically answers: “Is this value truthy or falsy?” Examples: Boolean(1); ...
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Apr 17, 2025 · 2 min read · Ever stared at your code and thought, “Who wrote this mess?” ...and it was you? We've all been there. Clean code isn’t just about satisfying the compiler. It’s about writing something your future self and your team won’t dread revisiting. One easy wi...
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Apr 15, 2025 · 4 min read · ✅ 1. What is a Boolean? A Boolean is a primitive data type in JavaScript with only two possible values: true → Represents yes, enabled, correct, valid. false → Represents no, disabled, incorrect, invalid. let isLoggedIn = true; let hasPaid = f...
Join discussionMar 27, 2025 · 2 min read · bool - возвращает T, когда аргумент any не равен NIL. Эта функция нужна только тогда, когда T строго требуется для условия «истина» (обычно любое значение, отличное от NIL, считается «истиной»). bool/3 - предикат Pilog, который выполняется успешно, е...
Join discussionMar 4, 2025 · 2 min read · Boolean logic, named after 19th-century mathematician George Boole, is foundational to computer science and software development. It underpins the binary systems that drive digital technology, enabling the representation of true and false states thro...
Join discussionFeb 12, 2025 · 9 min read · When learning JavaScript, one of the fundamental concepts to understand is data types. Data types define the kind of values a variable can hold. JavaScript is a dynamically typed language, meaning you don't need to specify a variable's type when decl...
Join discussionDec 29, 2024 · 2 min read · Understanding Booleans in JavaScript In JavaScript, Boolean is a data type that represents a truth value. It can only have one of two values: true or false. This concept is often used to answer yes-or-no questions in code. For instance, if you want t...
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