Search results
- Dictionaryin/in/
preposition
- 1. expressing the situation of something that is or appears to be enclosed or surrounded by something else: "dressed in their Sunday best" Similar Opposite
- 2. expressing a period of time during which an event takes place or a situation remains the case: "they met in 1885" Similar
adverb
- 1. expressing movement with the result that someone or something becomes enclosed or surrounded by something else: "come in" Similar Opposite
- 2. expressing the situation of being enclosed or surrounded by something: "we were locked in"
adjective
- 1. (of a person) present at one's home or office: "we knocked at the door but there was no one in" Similar Opposite
- 2. fashionable: informal "pastels and light colors are in this year" Similar Opposite
noun
- 1. a position of influence with someone powerful or famous: informal "he would ensure an in with the nominee"
Powered by Oxford Dictionaries
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).
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()
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.
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.
Nov 5, 2010 · In various C code, I see constants defined like this: #define T 100. Whereas in C++ examples, it is almost always: const int T = 100; It is my understanding that in the first case, the preprocessor will replace every instance of T with 100. In the second example, T is actually stored in memory. Is it considered bad programming practice to # ...
6. Consider also using SETX - it will set variable on user or machine (available for all users) level though the variable will be usable with the next opening of the cmd.exe ,so often it can be used together with SET : ::setting variable for the current user. if not defined My_Var (. set "My_Var=My_Value".
#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.
Jul 29, 2009 · There are various ways in which you can declare an array in Java: float floatArray []; // Initialize later int [] integerArray = new int [10]; String [] array = new String [] {"a", "b"}; You can find more information in the Sun tutorial site and the JavaDoc. edited Feb 6, 2018 at 17:14. Peter Mortensen.
Jun 29, 2010 · In fact, in C in most cases you should prefer #define, but in this specific case (state machine) enum is indeed a better approach. – AnT stands with Russia. Jun 28, 2010 at 17:57. duplicate of something as far as I can remember.Maybe the spec "for states in a state machine", changes it a bit, but there's no reason to consider a "state of ...
Aug 15, 2012 · const char *HELLO2 = "Howdy"; The statement above can be changed with c code. Now you can't change the each individual character around like the statement below because its constant. HELLO2[0] = 'a'. But you what you can do is have it point to a different string like the statement below. HELLO2 = "HELLO WOLRD".
