CodeComplexity.ai on Instagram: "✅ Code explanation: ​Why did 020 become 16? ​1. The Silent Rule : In C (and Java/Python/JS), if you put a Zero (0) at the start of a number, the compiler treats it as Octal (Base 8). It is not a normal Decimal number anymore. ​2. The Math : ​Decimal 20 = 2 \times 10 + 0 = 20 ​Octal 020 = 2 \times 8^1 + 0 \times 8^0 ​2 \times 8 = 16. ​3. The Lesson : Never start a number with 0 unless you mean to convert bases. ​int x = 20; -> 20 ​int x = 020; -> 16 ​One zero chan
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CodeComplexity.ai on Instagram: "✅ Code explanation: ​Why did 020 become 16? ​1. The Silent Rule : In C (and Java/Python/JS), if you put a Zero (0) at the start of a
In programming, starting a number with a zero can have unexpected consequences. In this post, we'll explore why this is the case and provide examples of how to write more accurate code. From the basics of octal numbers to the importance of being mindful of number formatting, we'll break it down so you can avoid common mistakes and become a more ...
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