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1. Dictionary

   in

   /ɪn/

   preposition

   • 1. expressing the situation of something that is or appears to be enclosed or surrounded by something else: "I'm living in London" Similar insidewithinin the middle ofwithin the bounds/confines ofsurrounded byenclosed byOpposite outside
   • ▪ expressing motion with the result that something ends up within or surrounded by something else: "don't put coal in the bath" Similar intoinsideinto the interior of
   • 2. expressing a period of time during which an event happens or a situation remains the case: "they met in 1885" Similar duringin the course ofin the time ofover
   • 3. expressing the length of time before a future event is expected to happen: "I'll see you in fifteen minutes" Similar afterat the end offollowingsubsequent towithinin less thanin underin no more thanbefore a … is up
   • 4. (often followed by a noun without a determiner) expressing a state or condition: "to be in love"
   • ▪ indicating the quality or aspect with respect to which a judgement is made: "no discernible difference in quality"
   • 5. expressing inclusion or involvement: "I read it in a book"
   • 6. indicating someone's occupation or profession: "she works in publishing"
   • 7. indicating the language or medium used: "say it in French"
   • ▪ indicating the key in which a piece of music is written: "Mozart's Piano Concerto in E flat"
   • 8. as an integral part of (an activity): "in planning public expenditure it is better to be prudent"
   • 9. expressing a value as a proportion of (a whole): "a local income tax running at six pence in the pound" Similar topereveryeach

   adverb

   • 1. expressing movement with the result that someone or something becomes enclosed or surrounded by something else: "come in" Similar insideindoorsinto the interiorinto the room/house/buildingwithinOpposite out
   • 2. expressing the situation of being enclosed or surrounded by something: "we were locked in"
   • 3. expressing arrival: "the train got in very late"
   • 4. (of the tide) rising or at its highest level. Similar highat its highest levelrisingOpposite outlow

   adjective

   • 1. present at one's home or office: "we knocked at the door but there was no one in" Similar presenthomeat homeinsideindoorsin the house/roomOpposite out
   • 2. fashionable: informal "pastels and light colours are in this year" Similar fashionablein fashionin voguevoguishstylishin stylepopular(bang) up to dateup to the minutemodernmodishtrendsettingchicà la modede rigueurinformal:trendyall the ragewith itcoolthe in thinghothiphappeningnowswinginginformal, dated:all the goOpposite unfashionableout
   • 3. (of the ball in tennis and similar games) landing within the designated playing area.
   • 4. batting: "which side is in?"

   noun

   • 1. a position of influence with someone powerful or famous: informal "she got an in with the promising new artist"

   Word Origin Old Englishin (preposition), inn, inne (adverb), of Germanic origin; related to Dutch and German in (preposition), German ein (adverb), from an Indo-European root shared by Latin in and Greek en.

   Scrabble Points: 2

   • I

     1

   • N

     1

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2. stackoverflow.com › questions › 6503586c++ - What does ## in a #define mean? - Stack Overflow

   stackoverflow.com › questions › 6503586

   A good way to understand what the preprocessor does to your code is to get hold of the preprocessed output and look at it. This is how to do it for Windows: Create a simple file called test.cpp and put it in a folder, say c:\temp. Mine looks like this: #define dog_suffix( variable_name ) variable_name##dog. int main()

3. stackoverflow.com › questions › 2806347What is the purpose of the #define directive in C++?

   stackoverflow.com › questions › 2806347

   Nov 27, 2015 · The #define directive has two common uses. The first one, is control how the compiler will act. To do this, we also need #undef, #ifdef and #ifndef. (and #endif too...) You can make "compiler logic" this way. A common use is to activate or not a debug portion of the code, like that: #ifdef DEBUG. //debug code here.

4. stackoverflow.com › questions › 6004963c++ - Why use #define instead of a variable - Stack Overflow

   stackoverflow.com › questions › 6004963

   Mar 28, 2018 · Most compilers will allow you to define a macro from the command line (e.g. g++ -DDEBUG something.cpp), but you can also just put a define in your code like so: #define DEBUG Some resources: Wikipedia article; C++ specific site; Documentation on GCC's preprocessor; Microsoft reference; C specific site (I don't think it's different from the C++ ...

5. stackoverflow.com › questions › 3314032Is there a way to do a #define inside of another #define?

   stackoverflow.com › questions › 3314032

   Apr 16, 2015 · That file can then #ifdef _PASS2/#else to define macros for all the variables that should be different on the two passes. Even though the code gets generated twice, on some micros that will take less space than using the arrow operator with passed-in pointers.

6. stackoverflow.com › questions › 12989298Is it possible to use a if statement inside #define?

   stackoverflow.com › questions › 12989298

   As far as I know, what you're trying to do (use if statement and then return a value from a macro) isn't possible in ISO C... but it is somewhat possible with statement expressions (GNU extension). Since #define s are essentially just fancy text find-and-replace, you have to be really careful about how they're expanded.

7. stackoverflow.com › questions › 37417261c - how to use #ifdef inside #define - Stack Overflow

   stackoverflow.com › questions › 37417261

   May 24, 2016 · And here is the tedious path to that answer. The closest I got (for VAL=MyInt and num=5) is: #ifndef MyInt_flag. #define MyInt_flag. int. #endif. MyInt 5 = 5; Note that there is (OK, I did find) no way of using any kind of macro to actually use VAL and num abstractly.

8. stackoverflow.com › questions › 2831934How to use #if inside #define in the C preprocessor?

   stackoverflow.com › questions › 2831934

   #ifdef USE_CONST #define MYCONST const #else #define MYCONST #endif Then you can write code like this: MYCONST int x = 1; MYCONST char* foo = "bar"; and if you compile with USE_CONST defined (e.g. typically something -DUSE_CONST in the makefile or compiler options) then it will use the consts, otherwise it won't.

9. stackoverflow.com › questions › 1927107preprocessor - #define in Java - Stack Overflow

   stackoverflow.com › questions › 1927107

   Jan 2, 2018 · Java doesn't have a general purpose define preprocessor directive. In the case of constants, it is recommended to declare them as static finals, like in. private static final int PROTEINS = 100; Such declarations would be inlined by the compilers (if the value is a compile-time constant).

10. stackoverflow.com › questions › 6667201How to define a two-dimensional array? - Stack Overflow

    stackoverflow.com › questions › 6667201

    Jul 12, 2011 · 12. You can create an empty two dimensional list by nesting two or more square bracing or third bracket ([], separated by comma) with a square bracing, just like below: Matrix = [[], []] Now suppose you want to append 1 to Matrix[0][0] then you type: Matrix[0].append(1) Now, type Matrix and hit Enter.

11. stackoverflow.com › questions › 66176642Difference between `constexpr` and `#define` - Stack Overflow

    stackoverflow.com › questions › 66176642

    Feb 12, 2021 · 2. #define directives create macro substitution, while constexpr variables are special type of variables. They literally have nothing in common beside the fact that before constexpr (or even const) variables were available, macros were sometimes used when currently constexpr variable can be used. But both have wide area of applications which ...