Tag: beginner
All the articles with the tag "beginner".
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How to Convert String to int in C++: stoi, atoi, and stringstream
Learn how to convert a string to int in C++ using stoi, atoi, and stringstream. Includes error handling, examples, and when to use each method safely.
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C++ auto Keyword Explained: Type Deduction for Beginners
Learn how the C++ auto keyword works, when to use type deduction, and how auto makes code cleaner without sacrificing type safety. Beginner-friendly guide.
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C++ 2D Arrays: How to Declare, Initialize, and Iterate
Learn how to use 2D arrays in C++: declaration, initialization, nested loops, passing to functions, and when to use vectors instead. Beginner tutorial.
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C++ Copy Constructor: Deep Copy vs Shallow Copy Explained
Understand C++ copy constructors, the difference between deep and shallow copy, the rule of three, and when to write your own. Clear examples for beginners.