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  1. c++ - What does ## in a #define mean? - Stack Overflow

    In other words, when the compiler starts building your code, no #define statements or anything like that is left. A good way to understand what the preprocessor does to your code is to get …

  2. What is the difference between #define and const? [duplicate]

    The #define directive is a preprocessor directive; the preprocessor replaces those macros by their body before the compiler even sees it. Think of it as an automatic search and replace of your …

  3. Array format for #define (C preprocessor) - Stack Overflow

    Probably a naïve question - I used to program 20 years ago and haven't coded much since. My memory of how the C preprocessor works has atrophied significantly since then... I am writing …

  4. Defining and using a variable in batch file - Stack Overflow

    The space before the = is interpreted as part of the name, and the space after it (as well as the quotation marks) are interpreted as part of the value. So the variable you’ve created can be …

  5. What is define([ , function ]) in JavaScript? - Stack Overflow

    What is define ( [ , function ]) in JavaScript? [duplicate] Asked 12 years, 4 months ago Modified 2 years, 9 months ago Viewed 240k times

  6. Is it possible to use a if statement inside #define?

    You'll need to complete a few actions and gain 15 reputation points before being able to upvote. Upvoting indicates when questions and answers are useful. What's reputation and how do I …

  7. How do I show the value of a #define at compile-time?

    I know that this is a long time after the original query, but this may still be useful. This can be done in GCC using the stringify operator "#", but it requires two additional stages to be defined first. …

  8. Creating an empty Pandas DataFrame, and then filling it

    I'm starting from the pandas DataFrame documentation here: Introduction to data structures I'd like to iteratively fill the DataFrame with values in a time series kind of calculation. I'd like to

  9. How can I define an enumerated type (enum) in C?

    @MCQ, necroing the necro'd necro: The syntax presented in the question is not wrong in C. It declares strategy as having an anonymous enumerated type, and assigns one of the declared …

  10. How can I use environment variables in docker-compose?

    I would like to be able to use environment variables inside docker-compose.yml, with values passed in at the time of docker-compose up. This is the example. I am doing this today with a …