Home > Visual Studio > Visual Studio Error C2102

Visual Studio Error C2102

The time now is 11:14 PM. Browse other questions tagged c math initialization gsl lvalue or ask your own question. Did you meant x = gsl_vector_calloc(M); with c? share|improve this answer answered May 17 '12 at 10:34 enobayram 3,0081229 add a comment| up vote 0 down vote menuLoop(3, &menu.displayInitialMenu(), &performSelectionInitialMenu(3)); It is not what you are trying to achieve. this contact form

This is not legal in c++, since non-static member functions have a hidden argument, namely, the object that it's invoked on. Hot Network Questions Trick or Treating in Trutham-And-Ly Yet Another, Another Prime Generator What is mathematical logic? x will contain garbage values, not 0. 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 https://msdn.microsoft.com/en-us/library/f1cf70d2.aspx

If you are looking for information about Qt related issue — register and post your question. Why does typography ruin the user experience? Join them; it only takes a minute: Sign up Why this is causing C2102: '&' requires l-value up vote 5 down vote favorite 2 I was wondering, why the following way finding a word in a string How or where should I add a required connection string for a feature in Helix?

Generated Thu, 28 Jul 2016 20:53:28 GMT by s_rh7 (squid/3.5.20) CodeGuru Home VC++ / MFC / C++ .NET / C# Visual Basic VB Forums Developer.com Register Help Remember Me? Last edited on Sep 18, 2010 at 4:32am UTC Sep 18, 2010 at 5:01am UTC Disch (13766) Honestly I don't know whether or not that's legal, but you probably shouldn't be Dozens of earthworms came on my terrace and died there more hot questions question feed lang-cpp about us tour help blog chat data legal privacy policy work here advertising info mobile Doing it every time like that means a lot of room for slip ups and mistakes. 1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
class BinaryWriter { private: std::ostream& out; // no copying BinaryWriter(const BinaryWriter&); BinaryWriter& operator =

Results 1 to 11 of 11 Thread: migration from VC++ 6.0 to Visual Studio 2010 Tweet Thread Tools Show Printable Version Email this Page… Subscribe to this Thread… Display Linear Mode Have " << numWidgets << " widgets, need " << reqWidgets).fatal(); (er, C++ will let you use anonymous instances like that won''t it?)Or, give the "Fatal" bool as a constructor arg, I understand how this should work, but I don't understand how making this class causes errors in another file. http://stackoverflow.com/questions/3674456/why-this-is-causing-c2102-requires-l-value Why does the kill-screen glitch occur in Pac-man?

Give it an overload (templated?) for operator << (which will use the stringstream to append to the string), and methods error() and fatal() (to print the two different types of error If not, I'll just use duplicate code for each menu which I know is bad programming practice. Developer Network Developer Network Developer Sign in MSDN subscriptions Get tools Downloads Visual Studio MSDN subscription access SDKs Trial software Free downloads Office resources SharePoint Server 2013 resources SQL Server 2014 Quicker and quieter than a mouse, what am I?

Reply With Quote January 11th, 2011,07:34 AM #5 itsmeandnobodyelse View Profile View Forum Posts Member + Join Date Oct 2009 Posts 577 Re: migration from VC++ 6.0 to Visual Studio 2010 http://www.qtcentre.org/threads/45535-c2102-amp-requires-L-value-after-usage-with-casting-operator What is the code you have posted supposed to do? M=10, K=0.3*M=3 for example. –qPCR4vir Mar 5 '13 at 8:58 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign up Join them; it only takes a minute: Sign up C++ Error C2102: '&' requires l-value up vote 2 down vote favorite I'm creating a console application in c++ with a lot

A CStrng is something simple -- a class that wraps an array of characters. weblink The reason is you didn't use Code tags. Keep it there, but remove the parenthesis and fix the respective function signatures. –irobot May 17 '12 at 10:35 Thanks, it all works now. What is gsl_matrix_column(D, q).vector? –Some programmer dude Mar 4 '13 at 14:45 2 Your compiler tells you exactly what is the problem.

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 Not the answer you're looking for? Why is 10W resistor getting hot with only 6.5W running through it? navigate here It only seems to be targeting some lines and not all that use the code. 1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
{ string FilePath = StrParam(); ofstream Save; Save.open(FilePath.c_str(), ios_base::out|ios_base::binary|ios_base::trunc/*|ios_base::app*/); if(!Save.is_open()) { //rdPtr->ErrorString = "Could open

Registration is fast, simple and absolutely free so please, join our community today! It is not giving any error. Reply With Quote 27th October 2011,18:51 #2 d_stranz View Profile View Forum Posts View Blog Entries Visit Homepage View Articles Expert Join Date Jan 2008 Location Alameda, CA, USA Posts 2,587

Rani So where is the code that uses CString?

share|improve this answer edited May 17 '12 at 10:28 answered May 17 '12 at 10:19 irobot 9851512 I removed the & but now I get a new error. Hope help. –qPCR4vir Mar 4 '13 at 20:14 add a comment| up vote 1 down vote Now we have another problem: Here another answer: Are you aware that int K= 0.7 If it is the compiler bug, then sorry I can't change compilers, the SDK I use only compiles under VC++ 2008 and up 0_0 Is there a woraround in this case? Is that your code? Victor Nijegorodov Reply With Quote March 25th, 2011,10:45 AM #11 Paul McKenzie View Profile View Forum Posts Elite Member Power Poster Join Date Apr 1999 Posts

Object returned by function sit ontop of the stack frame and it is meaningless to get its address since it might be invalid after expression ends. tmp is a stack object! –Billy ONeal Sep 9 '10 at 7:22 dummy is not a temporary object or a local object. –Naveen Sep 9 '10 at 7:22 If you wish to continue this conversation start a new topic. his comment is here Exit\n"; cout << menu << endl; } static bool checkOption (int option, int lower, int upper){ if ((option < lower) || (option > upper)){ return false; } else { return true;

Not the answer you're looking for? Back to top #5 OrthoDiablo Members -Reputation: 140 Like Likes Like Posted 02 June 2004 - 06:08 PM quote:Original post by kappa vsprintf( ErrorText.c_str(), Text.c_str(), valist ); // nope, not The compiler error states it needs an lvalue. Even if it was a Qt question (and not one of basic C++ syntax and usage), you haven't shown us enough code to answer the question. (Like what is "ProcessImage" for

share|improve this answer edited Sep 9 '10 at 8:09 answered Sep 9 '10 at 7:16 YeenFei 2,401721 Same issue as Luca's answer. int *tmp = aa.get_dummy(); int** me = &(tmp); } c++ share|improve this question asked Sep 9 '10 at 7:05 Cheok Yan Cheng 16k56261500 return a reference to the pointer. Did you derive from CString, so that you can get at the internals of CString? c++ lvalue share|improve this question edited May 17 '12 at 10:23 asked May 17 '12 at 10:15 Indy411 93221119 1 Please post minimal code.

If indeed you are trying to make a class thread safe, the way to do that is not to go into the internals of the class. Is it ok? Movie about encountering blue alien Why are only passwords hashed? You cannot reply to this topic 6 replies to this topic #1 kappa Members -Reputation: 138 Like Likes Like Posted 02 June 2004 - 05:57 AM I am reading programming

The function returns the address (or value) stored by dummy, not dummy itself. –Billy ONeal Sep 9 '10 at 7:18 1 @Yan: You could return dummy by reference, e.g. Back to top #3 d_emmanuel Members -Reputation: 271 Like Likes Like Posted 02 June 2004 - 06:13 AM This is a const correctness issue.std::string::c_str returns const char* but the functionyou''re To start viewing messages, select the forum that you want to visit from the selection below. Or I need to do any modification.

I don't see any CString objects in any of the code you have.