Tag: tutorial
All the articles with the tag "tutorial".
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How to Get a Substring in C++ with substr()
Extract a substring in C++ using the substr() method. Learn the position and length arguments, how to grab the rest of a string, and how to avoid out_of_range.
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Convert a String to Uppercase or Lowercase in C++
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++ break and continue: Control Your Loops (with Examples)
Learn how break and continue work in C++ loops: break exits a loop, continue skips one iteration. See clear examples, nested loops, and switch gotchas.
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C++ char to int Conversion: The Right Way (and the Common Trap)
Convert a char to an int in C++ correctly: the ch - '0' trick for digit characters, static_cast for ASCII codes, and stoi for strings, with clear examples.