c is double, thus you cannot use the modulo operator %. Use fmod() instead. So change this: to this: As Slava mentioned, you could have used an int instead, like this: which wouldn’t require the use of fmod(). It’s important to understand that the modulo operator % works with ints. As πάντα ρέι mentioned, there … Read more
C++ has two kinds of enum: enum classes Plain enums Here are a couple of examples on how to declare them: What is the difference between the two? enum classes – enumerator names are local to the enum and their values do not implicitly convert to other types (like another enum or int) Plain enums … Read more
Quoting from the language specs:Iota Within a constant declaration, the predeclared identifier iota represents successive untyped integer constants. It is reset to 0 whenever the reserved word const appears in the source and increments after each ConstSpec. It can be used to construct a set of related constants: Within an ExpressionList, the value of each … Read more
Enums have been added to Python 3.4 as described in PEP 435. It has also been backported to 3.3, 3.2, 3.1, 2.7, 2.6, 2.5, and 2.4 on pypi. For more advanced Enum techniques try the aenum library (2.7, 3.3+, same author as enum34. Code is not perfectly compatible between py2 and py3, e.g. you’ll need … Read more