Qt'nullptr' was not declared in this scope
WebOct 18, 2024 · Hi, I’m using Qt to do C++ programming with cuda. In my code, function “cudaNV12ToRGBAf” is used and it is defined in cudaYUV-NV12.cu, so I added a line “ # include cudaYUV-NV12.cu” in my code. When I compiled the code, I got error: ‘blockIdx’ was not declared in this scope. Please help. WebDec 7, 2024 · Hi, well if you look in mainwindow.h for the declaration of ui you'll see it's private to the MainWindow class, i.e. it would rather keep ui to itself and not share it with other classes. And it does not to help to add WordPad as a base class for MainWindow, pls change back to: class MainWindow : public QMainWindow That said, what you can do, is …
Qt'nullptr' was not declared in this scope
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I'm using C++11 using Qt Creator. "warning: identifier 'nullptr' is a keyword in C++11 [-Wc++0x-compat]" "error: 'nullptr' was not declared in this scope" This is on code that works elsewhere, the relevant part being:... = nullptr; What might be the problem? Is this not already a keyword, isn't it's scope global? WebDec 8, 2024 · 简介: error: ‘nullptr’ was not declared in this scope 网上说增加一个编译选项: -std=c++0x 或 -std=c++11 吾是cmake,一时也没找到选项加入。 干脆使用了一个宏定义解决: #define nullptr NULL 版权声明:本文内容由阿里云实名注册用户自发贡献,版权归原作者所有,阿里云开发者社区不拥有其著作权,亦不承担相应法律责任。 具体规则请查 …
WebJun 1, 2024 · Closed. promi opened this issue on Jun 1, 2024 · 5 comments · Fixed by #4229. WebAug 25, 2024 · This function is not defined in ANSI-C and is not part of C++, but is supported by some compilers. A standard-compliant alternative for some cases may be sprintf 1 Like
WebJan 13, 2014 · You should declare struct Employee before using it in PrintInformation () or make PrintInformation a template (as @DanielFrey did). Fix your PrintInformation () to following as you cannot directly print a struct data unless you overloading << for the struct (check out here on how to do this). WebJan 24, 2024 · I hate data structures
WebMay 13, 2014 · I have '-std=c++11' in the args for the compiler and linker. Having confirmed all of this multiple times, I cannot understand what is causing the error: 'nullptr' was not declared in this scope May 9, 2014 at 8:19am kbw (9479) nullptr is a C++11 keyword. On GCC 4.8, you need to switch on C++11 support with -std=c++11 May 9, 2014 at 8:43am
WebMay 13, 2014 · I have confirmed by "Actual command sent" that the compiler being used is TDM-GCC-64\bin\g++.exe, and I have confirmed that the edition of g++ is 4.8.1, which … bon jovi worth todayWebMay 1, 2016 · QFile inputFile(":/Table.htm") ; inputFile.open (QIODevice::ReadOnly); QTextStream in(&inputFile) ; QString line = in.readAll (); inputFile.close (); w->append (line); w was not declared in this scope. I know that. The Code is written in Start.cpp I declared w in Mainwindow.h How can i use the w from Mainwindow.h in Start.cpp? Thanks 0 bon jovi - you want to make a memory lyricsWebNov 24, 2024 · The text was updated successfully, but these errors were encountered: bon jovi worthWebJun 10, 2024 · The text was updated successfully, but these errors were encountered: bon jovi world tour 2023WebSep 26, 2014 · I get the following error: @'make_unique' was not declared in this scope@ I googled a bit and have found that 'make_unique' should be part of gcc4.9. Hence, I installed gcc4.9 on my system and compiled Qt5.3.2 and QtCreator using gcc4.9. The problem is that I still get the same error. Can anyone tell me how to proceed? 0 5 Posts 11.1k Views bon jovi youtube greatest hitsWebDec 2, 2024 · You can't (and shouldn't) try something like that. nullptr and NULL are standard components of C++ so you can break things by trying to define them manually. Just remove the custom #defines in your code and replace all uses of NULL with nullptr. bon jovi you can go homeWebFeb 17, 2024 · I have a main class called "FenPrincipale" of daughter classes "FenCene" and "FenCenep". My IDE sends me the following error at fencen.h and fencenep.h. "nullptr was … bon jovi young guns wanted dead or alive