Tutorial by Topics: boolean

Booleans, truth, and falsity are straightforward in Lua. To review: There is a boolean type with exactly two values: true and false. In a conditional context (if, elseif, while, until), a boolean is not required. Any expression can be used. In a conditional context, false and nil count as fal...

To use the predefined type _Bool and the header <stdbool.h>, you must be using the C99/C11 versions of C. To avoid compiler warnings and possibly errors, you should only use the typedef/define example if you're using C89 and previous versions of the language.

Accessing rows in a dataframe using the DataFrame indexer objects .ix, .loc, .iloc and how it differentiates itself from using a boolean mask.