Tag: tutorial
All the articles with the tag "tutorial".
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How to Get the Size of a File in C++
Get a file's size in C++ with std::filesystem::file_size, or with seekg and tellg on older compilers. Includes error handling and formatting bytes as KB and MB.
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cin vs getline in C++: Why getline Gets Skipped
Why does getline get skipped after cin >>? Learn the difference between cin extraction and getline, what the leftover newline does, and how to fix it for good.
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How to Remove a Character from a String in C++
Remove characters from a C++ string with erase, the erase-remove idiom, and remove_if. Delete by index, by value, all spaces, or every character matching a rule.
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How to Check if a String Is a Number in C++
Check whether a C++ string is a valid number using stoi with exceptions, stringstream, or from_chars. Handles negatives, decimals and trailing junk correctly.