实际上，第二种方法不是扩展v_split返回的不同长度的列表，而是将它们分配给一个名为x的列：
我写了以下代码:import pandas as pddef get_list(row): return [i for i in range(5)]df = pd.DataFrame(0, index=np.arange(100), columns=['col'])df.apply(lambda row: get_list(row), axis=1, result_type='expand')当我添加result_type='expand'以将返回的数组更改为单独的列时,出现以下...
Specifies the return type of the XPath expression. C# Copy public enum XPathResultType Inheritance Object ValueType Enum XPathResultType Fields Expand table NameValueDescription Number 0 A numeric value. Navigator 1 A tree fragment. String 1 A String value. Boolean 2 A Booleantrue or false ...
MMC_EXPANDSYNC_STRUCT 结构 MMC_EXT_VIEW_DATA结构 MMC_FILTER_CHANGE_CODE 枚举 MMC_FILTER_TYPE 枚举 MMC_FILTERDATA 结构 MMC_LISTPAD_INFO 结构 MMC_MENU_COMMAND_IDS 枚举 MMC_NOTIFY_TYPE 枚举 MMC_RESTORE_VIEW 结构 MMC_RESULT_VIEW_STYLE 枚举 MMC_SCOPE_ITEM_STATE 枚举 MMC_SORT_DATA 结构 MMC_SO...
QueryExpand QueryFilter QueryHierarchyItem QueryHierarchyItemsResult QueryMembership QueryModel QueryOption QueryParameterEntryValueType QueryParameterValueType QueryRecursionOption QueryResultType QueryTestActionResultRequest QueryTestActionResultResponse QueryTestMessageLogEntryRequest QueryTestRuns2Request QueryTestRunsRequ...
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Expand table Visual Basic .NET Public Function ResultByType( _ ByVal divisionType As InkDivisionType _ ) As DivisionUnits C# public DivisionUnits ResultByType( InkDivisionType divisionType ); Managed C++ public: DivisionUnits* ResultByType( InkDivisionType *divisionType );...
Expand table Visual Basic .NET Public Function ResultByType( _ ByVal divisionType As InkDivisionType _ ) As DivisionUnits C# public DivisionUnits ResultByType( InkDivisionType divisionType ); Managed C++ public: DivisionUnits* ResultByType( InkDivisionType *divisionType );...
Expand table ExceptionCondition ArgumentNullException source is nulla null reference (Nothing in Visual Basic). Remarks This method is implemented by using deferred execution. The immediate return value is an object that stores all the information that is required to perform the action. The quer...
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