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Undefined Reference To Static Member Variable C++

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Is there a mutual or positive way to say "Give me an inch and I'll take a mile"? At least on g++ 4.2.4. Is there any other type of object in C++ that has the property that it (1) can be used as an lvalue only if it has been defined but (2) can Thanks, bbgst! weblink

c++ static share|improve this question edited Nov 26 '15 at 13:45 BaCaRoZzo 4,28962036 asked Apr 29 '13 at 17:23 Nevermore 3121413 1 It would be good to accept an answer. Is there a word for spear-like? First, let's take a look at the push_back signature: void push_back(const T&) It's expecting a reference to an object of type T. If those answers do not fully address your question, please ask a new question. 1 I disagree that this is a duplicate question.

Undefined Reference To Static Member Variable C++

So, I must be at fault. Who is the highest-grossing debut director? Join them; it only takes a minute: Sign up Undefined reference to static variable [duplicate] up vote 8 down vote favorite 4 Possible Duplicate: C++: undefined reference to static class member

Public huts to stay overnight around UK more hot questions lang-cpp about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life Were students "forced to recite 'Allah is the only God'" in Tennessee public schools? You must add a definition after class A class A { public: static int i; ... }; int A::i; share|improve this answer answered Jan 15 '13 at 5:07 Olaf Dietsche 44k13490 C++ Undefined Reference To Extern Variable The approach proved a bit wobbly with C-string constexprs inside template classes, though.

Here's the code: main.cpp: #include "SDL/SDL.h" #include "Initilize.cpp" int main(int argc, char* args[]) { //Keeps the program looping bool quit = false; SDL_Event exit; //Initilizes, checks for errors if(Initilize::Start() == -1) Undefined Reference To Static Member Function C++ share|improve this answer answered Aug 24 '12 at 23:41 Jesse Good 30.9k757113 This fixes the undefined error buts gives another one saying Invalid use of qualified-name 'Initilize::" –user1602079 Aug Make an ASCII bat fly around an ASCII moon Soft question: What exactly is a solver in optimization? you could check here more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed

The determinant of the matrix USB in computer screen not working more hot questions question feed lang-cpp about us tour help blog chat data legal privacy policy work here advertising info Multiple Definition Of Static Variable C++ What are the legal consequences for a tourist who runs out of gas on the Autobahn? No output written to main.out collect2: ld returned 1 exit status I'm using Dev C++ 4.9.9.0. inside your class is only a declaration, and not a definition.

Undefined Reference To Static Member Function C++

Spaced-out numbers Why does Mal change his mind? http://stackoverflow.com/questions/5603101/resolving-a-linker-error-undefined-reference-to-static-class-members Want to make things right, don't know with whom Just a little change and we're talking physical education Uncertainty principle Public huts to stay overnight around UK Compute the Eulerian number Undefined Reference To Static Member Variable C++ How do you curtail too much customer input on website design? Undefined Reference To Static Function Sieve of Eratosthenes, Step by Step Is it correct to write "teoremo X statas, ke" in the sense of "theorem X states that"?

Under the old system of initialization, such a member exists. http://cygnussoft.com/undefined-reference/lex-yy-c-undefined-reference-to-yywrap.html Browse other questions tagged c++ or ask your own question. This means they can only be defined once and allowing the definition inside the class would cause multiple definitions to occur, so the C++ standard forces you to define it outside More detailed explanation here share|improve this answer answered Feb 2 '12 at 10:16 Vyktor 13.8k22467 add a comment| up vote 6 down vote If there is a static variable declared inside Undefined Reference To Private Static Variable

Using a pointer should also solve your problem; you'd have to create the object in the init function. –edA-qa mort-ora-y Apr 9 '11 at 7:06 aha! Why does Luke ignore Yoda's advice? i.e. check over here Louis Illinois Posts 3,283 Rep Power 26 class static objects must also be declared outside any function or class just like normal globals.

Would not allowing my vehicle to downshift uphill be fuel efficient? C++ Undefined Reference To Static Vector Browse other questions tagged c++ static or ask your own question. asked 4 years ago viewed 17512 times active 2 months ago Visit Chat Linked 1 Initializing static member variables in constructors error in c++ 1 Pthread_create call function in class 312

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c++ arduino static-members share|improve this question edited Apr 17 '11 at 12:53 Peter Mortensen 10.3k1369107 asked Apr 9 '11 at 5:29 voxobscuro 1,37611329 add a comment| 4 Answers 4 active oldest Is it possible to keep publishing under my professional (maiden) name, different from my married legal name? The definition is required, for example if it's address is used. Invalid Use Of Qualified-name What are the legal and ethical implications of "padding" pay with extra hours to compensate for unpaid work?

Although, in a weird kind of way this could be seen as a legitimate use of the unary '+' operator. How should I revise my codes? But it even made the thing worse. this content I'm uploading the code for testing now. –voxobscuro Apr 9 '11 at 18:03 add a comment| up vote 2 down vote You need to create memory and initialize your static variables.

What is the 'dot space filename' command doing in bash? You are assigning them in the Initialize start method but didn't initialize them. Undefined reference to static member data Share This Thread  Tweet This + 1 this Post To Linkedin Subscribe to this Thread  Subscribe to This Thread October 17th, 2004,02:30 AM Thank you!

Of course, this means you'll have to define a relevant constructor for the NewSoftSerial class. Were students "forced to recite 'Allah is the only God'" in Tennessee public schools? Uploading a preprint with wrong proofs How to use color ramp with torus Make an ASCII bat fly around an ASCII moon Why doesn't compiler report missing semicolon? I hope the solution is as simple as a missing dot or -> somewhere.

If you then want to change it in the init function, you simply have to change your _serial = ...