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  • How does the % operator (modulo, remainder) work?
    You can think of the modulus operator as giving you a remainder count % 6 divides 6 out of count as many times as it can and gives you a remainder from 0 to 5 (These are all the possible remainders because you already divided out 6 as many times as you can)
  • What is the lt;= gt; (spaceship, three-way comparison) operator in C++?
    On 2017-11-11, the ISO C++ committee adopted Herb Sutter's proposal for the <=> "spaceship" three-way comparison operator as one of the new features that were added to C++20
  • How to generate a random number in C++? - Stack Overflow
    I'm trying to make a game with dice, and I need to have random numbers in it (to simulate the sides of the die I know how to make it between 1 and 6) Using #include lt;cstdlib gt; #include lt;
  • parsing - Parse (split) a string in C++ using string delimiter . . .
    If you have multiple delimiters, after you have extracted one token, you can remove it (delimiter included) to proceed with subsequent extractions (if you want to preserve the original string, just use s = s substr(pos + delimiter length());):
  • c++ - What is the meaning of the auto keyword? - Stack Overflow
    auto was a keyword that C++ "inherited" from C that had been there nearly forever, but virtually never used because there were only two possible conditions: either it wasn't allowed, or else it was assumed by default
  • Why are #ifndef and #define used in C++ header files?
    The cost of opening a file, discarding all its contents, and closing it over and over might not sound like much, but for a large header included transitively by hundreds of other headers (e g windows h, the low-level stuff providing simple type definitions like stdint h, types h, etc ), the difference between opening it exactly once per source file and opening it a hundred times (where only





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