现象:“.c”后缀名改为“.cpp”时java调用native失败 。 解决:加入“extern "C"”。 现象:“error: base operand of '->' has non-pointer type '_JNIEnv'”错误。 解决:将“(*env)->NewStringUTF(env, "HelloWorld from JNI !");”改为“env->NewStringUTF("HelloWorld from JNI !")”。 例子: #...
Does VS2017 has the header <sys/time.h>? double pointer to single pointer Download VC++ 6.0 draw rectangle in directx11 Draw transparent rectangle DrawText() & use of a background color. E0065 Expected ';' E0109 expression preceding parentheses of apparent call must have (pointer-to-) fun...
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Compiler warning (level 1) C4190 'identifier1' has C-linkage specified, but returns UDT 'identifier2' which is incompatible with C Compiler warning (level 3, off) C4191 'operation': unsafe conversion from 'type_of_expression' to 'type_required'Making a function call using the resul...
Compiler warning (level 1) C4190'identifier1' has C-linkage specified, but returns UDT 'identifier2' which is incompatible with C Compiler warning (level 3, off) C4191'operation': unsafe conversion from 'type_of_expression' to 'type_required' ...
line 6: warning: semantics of "<" change in ISO C; use explicit cast The result of the addition has typeint(value preserving) orunsignedint(unsigned preserving), but the bit pattern does not change between these two. On a two’s-complement machine, we have: ...
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A non-type template argument or an array bound in which a subexpression references a template parameter. A template parameter used in the parameter type of a function parameter that has a default argument that is being used in the call for which argument deduction is being done. ...
Compiler warning (level 4, off) C4264'virtual_function': no override available for virtual member function from base 'classname'; function is hidden Compiler warning (level 3, off) C4265'classname': class has virtual functions, but its non-trivial destructor is not virtual; instances of this...