为了简便,就没有创建.h和.cpp文件,直接在main函数中写的,结果在运行时就出现了 undefined reference to `vtable for * * * '这种错误。 代码如下: 代码语言:javascript 代码运行次数:0 AI代码解释 classSendMsg:publicQObject{Q_OBJECT};intmain(int argc,char*argv[])
Auxiliary method used by binlog_query() to raise warnings. More... uint get_binlog_table_maps () const void clear_binlog_table_maps () List< char > * get_binlog_accessed_db_names () const void add_to_binlog_accessed_dbs (const char *db)...
class Collect_item_fields_or_view_refs struct Collect_scalar_subquery_info Context struct used by walk method collect_scalar_subqueries to accumulate information about scalar subqueries found. More... struct Css_info Minion class under Collect_scalar_subquery_info...
test.a(test.o): In function `test': test.c:(.text+0x13): undefined reference to `func' collect2: ld returned 1 exit status 因此,我们须要注意,在链接命令中给出所依赖的库时,须要注意库之间的依赖顺序,依赖其它库的库一定要放到被依赖库的前面,这样才干真正避免undefined reference的错误,完毕编译链接。
1045 Migration issue: Array.toString() handling of null and undefined elements has changed. This is a code migration warning. In ActionScript 2.0, null array elements convert to null and undefined elements convert to undefined. In ActionScript 3.0, both null and undefined elements convert to the...
最近想写个demo验证Qtconnect在第五个参数不同的情况下,各自槽函数运行在哪个线程中。为了简便,就没有创建.h和.cpp文件,直接在main函数中写的,结果在运行时就出现了 undefined reference to `vtable for * * * '这种错误。 代码如下: class SendMsg : publicQObject{Q_OBJECT}; ...
undefined reference to `std::__cxx11::basic_string<char, 2019-11-13 09:41 −centos上编译报错,部分信息如下: /usr/local/lib/libprotobuf.so.9: undefined reference to `std::__cxx11::basic_string<char, std::char_traits<char>, std::a... ...
fromJSON Method fromJSON(json){* |null |undefined}static Creates a new instance of this class and initializes it with values from a JSON object generated from an ArcGIS product. The object passed into the input json parameter often comes from a response to a query operation in the REST...
// use the global esriConfig variable to initialize properties var esriConfig = { portalUrl: "https://myHostName.esri.com/arcgis" }; Property Overview NameTypeSummaryObject apiKey String|null|undefined An authorization string used to access a resource or service. config applicationName String...
undefined reference to `std::__cxx11::basic_string<char, 2019-11-13 09:41 −centos上编译报错,部分信息如下: /usr/local/lib/libprotobuf.so.9: undefined reference to `std::__cxx11::basic_string<char, std::char_traits<char>, std::a... ...