Tag: tutorial
All the articles with the tag "tutorial".
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C++ Check if String Contains Substring (find and contains)
Updated:Learn how to check if a string contains a substring in C++ using find(), the C++23 contains() method, and a case-insensitive approach, with clear examples.
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C++ stringstream Tutorial: Parse and Build Strings Like a Pro
Updated:Master C++ stringstream for beginners. Learn to parse strings, convert types, and build formatted output using the sstream header with clear examples.
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Convert a String to Uppercase or Lowercase in C++
Updated:Convert a C++ string to uppercase or lowercase with std::transform, toupper, and tolower. Full examples, a simple loop version, and the pitfalls to avoid.
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C++ vector reserve vs resize: What's the Difference?
Updated:C++ vector reserve vs resize: reserve allocates capacity without adding elements, resize changes the size. Learn when to use each, with clear examples.