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Copyright (c) A|iens. All rights reserved.

============================================================================ Name:…

Overview
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Copyright (c) A|iens. All rights reserved. — Quick Facts

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Property: Detail

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Also Known As: Character set, Character map, Code…

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Category: Computer Science, Data…

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Related To: Unicode, ASCII, UTF-8, Binary,…

Topic 1
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Infobox

📚 | Property | Detail | |---|---| | Also Known As | Character set, Character map, Code…
Topic 2
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Kya Hai Character Encoding?

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Character set (charset) =…

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Character encoding = rules for…

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Example: Unicode hai character…

Topic 3
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History aur Background

🎯 | Year | Event | |---|---| | 1837 | Morse Code — pehla widely-used character encoding…
Topic 4
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How Character Encoding Works

⭐ `mermaid flowchart LR A["🔤 Character<br/>(e.g., 'A')"] B["🔢 Code Point<br/>(U+0041 =…
Topic 5
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Major Character Encodings

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Year: 1963

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Bits: 7-bit (128 characters: 0-127)

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Coverage: English letters (A-Z,…

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Limitation: Sirf English — no…

Topic 6
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Encoding Comparison

✨ | Encoding | Year | Bits/Bytes | Characters | ASCII Compatible | Web Usage | Best For |…
Topic 7
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Unicode Deep Dive

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é = U+00E9 (precomposed — ek code…

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é = U+0065 + U+0301 (decomposed —…

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NFC (Composed) — precomposed form…

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NFD (Decomposed) — decomposed form…

Topic 8
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UTF-8 — The King of Encodings

🚀 Why UTF-8 Won | Reason | Explanation | |---|---| | ASCII backward compatible | English…
Topic 9
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Encoding Problems (Mojibake)

📚 Mojibake (文字化け — Japanese: "character transformation") tab hota hai jab text ek encoding…
Topic 10
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Character Encoding in Web Development

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HTML forms default encoding: page…

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URL encoding: non-ASCII characters…

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encodeURIComponent() JavaScript me…

Topic 11
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Character Encoding in Databases

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MySQL ka utf8 charset sirf 3 bytes…

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utf8mb4 = true UTF-8 (4 bytes —…

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Always use utf8mb4 in MySQL — utf8…

Topic 12
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Best Practices

⭐ 1. Default Encoding Hamesha UTF-8 Rakho Files, databases, APIs, HTML — sab jagah UTF-8…
Topic 13
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Common Mistakes

🔑 ❌ Mistake 1: MySQL Me utf8 Use Karna (utf8mb4 Ki Jagah) "Maine MySQL me charset utf8 set…
Topic 14
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Interview Questions & Answers

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String comparison fail hoti hai…

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Search/filter miss hota hai

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Hash values different aate hain…

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Database unique constraints fail…

Topic 15
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Glossary

🌟 | Term | Meaning | |---|---| | Character Encoding | Characters ko numbers/bytes me…
Comparison
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Encoding Comparison

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ASCII: 1963

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ISO 8859-1: 1987

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Windows-1252: 1990s

Diagram
📥 ⚙️ 🔬 💡

Visual Flow

📊 Diagram visualization — details in narration
Related Topics

See Also

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ASCII

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Unicode

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UTF-8

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Binary

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Data Types

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String

Quick Quiz
🧠 QUIZ TIME

Quiz — Question 1

Copyright (c) A|iens. All rights reserved. ka sabse sahi definition kya hai?

Quick Quiz
🧠 QUIZ TIME

Quiz — Question 2

Copyright (c) A|iens. All rights reserved. ka 'Also Known As' kya hai?

Complete! 🎉
COMPLETE

Copyright (c) A|iens. All rights reserved. Complete!

Aliens Wiki · HIEN · Cinematic Knowledge

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Copyright (c) A|iens. All rights reserved. Complete

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