首选项错误码:code:"401” err: Error: Parameter error. The type of 'value' must be ValueType. 如何排查问题 如何查看或导出持久化数据? 如何获知数据存储沙箱路径? 插入数据之后,RDB数据库的wal文件体积异常 用户首选项是线程安全的吗 为什么在关系型数据库中调用deleteRdbStore函数后并未真实删除数据...
29. 后来分析得知,这种直接用gcc编译的代码,无法直接将kswdata认为成一个类。 解决办法: 在kswdata前面加上struct即可。
"Unknown type name" 是一个编译错误,通常出现在C、C++或其他类似语言的编程环境中。这个错误提示编译器遇到了一个它无法识别的类型名称。以下是关于这个错误的基础概念、可能的原因以及解...
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator.sdk/usr/include/sys/resource.h:202:2:error:unknown type name'uint8_t'/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator.sdk/usr/include/sys/...
error: unknown type name ... CAUSE µVision's Dynamic Syntax Checking currently has two shortcomings for header files: The header files are analyzed like a separate C source file. Definitions may be missing which usually come from other header files that are included in the C/C\+\+ file...
我们在编译运行XV6时报错,stat.h:8:3: error: unknown type name ‘uint’ uint ino; 完整的报错信息为: gcc -Werror -Wall -o mkfs mkfs.c gcc -fno-pic -static -fno-builtin -fno-strict-aliasing -O2 -Wall -MD -ggdb -m32 -Werror -fno-omit-frame-pointer -fno-stack-protector -fno-pie...
头文件#include <stdio.h>试试
Core/Src/sysmem.c:38:1: error: unknown type name 'caddr_t' Go to solution SKled.1 Senior II 2023-05-10 03:43 AM Got a project that compiles on another computer (which I now cannot access to test whether it's still so), but now that I'm an another machine, ...
c语言: error: ‘true’ undeclared (first use in this function) error: unknown type name ‘bool’ 解决方法:包含<stdbool.h>头文件。 错误提示: src/tools/start.c: In function ‘start’: src/tools/start.c:4:5: warning: incompatible implicit declaration of built-in function ‘printf’ [enable...
typedef NSString * NSExceptionName NS_EXTENSIBLE_STRING_ENUM; ^ /Applications/XCode8.1/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator10.1.sdk/System/Library/Frameworks/Foundation.framework/Headers/NSObjCRuntime.h:495:9: error: unknown type name 'NSString' ...