元数据相关的操作包括buffer pool的管理,比如页面的分配、回收。索引当前使用的是B+树,那就需要考虑B+树页面的分配、回收,以及B+树的分裂、合并等操作。这些操作都需要记录日志,以便在恢复时能够恢复出来。这些操作不能完全对应着某一个事务,需要做一些特殊的处理。 **日志模块的性能瓶颈** 当前的日志实现非常低效...
m_code_generator (), m_pp_callbacks(nullptr) {Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS));// We can't compile expressions without a target. So if the exe_scope is null or doesn't have a target,// then we just need to get out of here. I'll lldb_...
Keyword 'nullptr' can be used for 'pointer' type exception. V741. Use of the throw (a, b); pattern. It is possible that type name was omitted: throw MyException(a, b);. V742. Function receives an address of a 'char' type variable instead of pointer to a buffer. V743. The ...
* The regex pattern, options, and captures buffer for the current execution context. */ boost::optional<std::string> pattern; boost::optional<std::string> options; std::vector<int> capturesBuffer; int numCaptures = 0; /** * If 'regex' is constant, 'pcrePtr' will be shared between th...
img.save( &buffer,"PNG");constQString base64 = QString::fromLatin1( byteArray.toBase64().data() ); json["icon"] = base64; } 開發者ID:dmarteau,項目名稱:QGIS,代碼行數:41,代碼來源:qgslayertreemodellegendnode.cpp 示例15: startRender ...
Keyword 'nullptr' can be used for 'pointer' type exception. V741. Use of the throw (a, b); pattern. It is possible that type name was omitted: throw MyException(a, b);. V742. Function receives an address of a 'char' type variable instead of pointer to a buffer. V743. The ...
Keyword 'nullptr' can be used for 'pointer' type exception. V741. Use of the throw (a, b); pattern. It is possible that type name was omitted: throw MyException(a, b);. V742. Function receives an address of a 'char' type variable instead of pointer to a buffer. V743. The ...
Keyword 'nullptr' can be used for 'pointer' type exception. V741. Use of the throw (a, b); pattern. It is possible that type name was omitted: throw MyException(a, b);. V742. Function receives an address of a 'char' type variable instead of pointer to a buffer. V743. The ...
main_file_buffer.write(out_stream); out_stream.flush(); diagnostic_manager.SetFixedExpression(fixed_expression);returntrue; } 开发者ID:Aj0Ay,项目名称:lldb,代码行数:80,代码来源:ClangExpressionParser.cpp 本文中的DiagnosticManager::SetFixedExpression方法示例由纯净天空整理自Github/MSDocs等开源代码及文档...
mBufferSizeSpinBox->setValue( bufferSize ); }break; }caseQgsPalLayerSettings::PositionX: {doubleposX = result.toDouble( &ok );if( ok ) { mXCoordSpinBox->setValue( posX ); }break; }caseQgsPalLayerSettings::PositionY: {doubleposY = result.toDouble( &ok );if( ok ) ...