first_indexer

本文介绍了一个使用Xapian库进行文档索引的例子。该程序接收数据库路径、文档数据及多个术语作为参数,并将这些信息写入指定的数据库中。Xapian是一个强大的搜索库,适用于各种规模的应用,从个人桌面应用到大型企业级应用。

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#include<xapian.h>

#include<iostream>

 

using namespace std;

 

int main(int argc , char **argv){

    if(argc<4){

       cout<<"usage:"<<argv[0]<<"<path to database> <documentdata> <document term>"<<endl;

       exit(1);

    }

    try{

       Xapian::WritableDatabasedatabase(argv[1],Xapian::DB_CREATE_OR_OPEN);

       Xapian::Documentdocument;

       document.set_data(string(argv[2]));

       for(int i= 3;i< argc ;i++)

           document.add_posting(argv[i],i-2);

       database.add_document(document);

    }catch(constXapian::Error &error){

       cout<<"Exception:"<<error.get_msg()<<endl;

    }

}

      


 

TypeError Traceback (most recent call last) Cell In[135], line 6 3 adata.obs['CellLineage'] = adata.obs['CellLineage'].cat.add_categories('RUNX1+_Adipocytes') 4 adata.obs['CellLineage'] = adata.obs['CellLineage'].cat.add_categories('Beige_Adipocytes') ----> 6 adata.obs.loc[Adipocytes.obs_names,'CellLineage'] = Adipocytes.obs['CellLineage'] 8 adata.obs['CellLineage'] = adata.obs['CellLineage'].cat.remove_unused_categories() File /disk201/lihx/anaconda3/envs/lihxbase/lib/python3.13/site-packages/pandas/core/indexing.py:911, in _LocationIndexer.__setitem__(self, key, value) 908 self._has_valid_setitem_indexer(key) 910 iloc = self if self.name == "iloc" else self.obj.iloc --> 911 iloc._setitem_with_indexer(indexer, value, self.name) File /disk201/lihx/anaconda3/envs/lihxbase/lib/python3.13/site-packages/pandas/core/indexing.py:1942, in _iLocIndexer._setitem_with_indexer(self, indexer, value, name) 1939 # align and set the values 1940 if take_split_path: 1941 # We have to operate column-wise -> 1942 self._setitem_with_indexer_split_path(indexer, value, name) 1943 else: 1944 self._setitem_single_block(indexer, value, name) File /disk201/lihx/anaconda3/envs/lihxbase/lib/python3.13/site-packages/pandas/core/indexing.py:1986, in _iLocIndexer._setitem_with_indexer_split_path(self, indexer, value, name) 1982 self._setitem_with_indexer_2d_value(indexer, value) 1984 elif len(ilocs) == 1 and lplane_indexer == len(value) and not is_scalar(pi): 1985 # We are setting multiple rows in a single column. ... 2314 ) 2316 codes = self.categories.get_indexer(value) 2317 return codes.astype(self._ndarray.dtype, copy=False) TypeError: Cannot setitem on a Categorical with a new category, set the categories first
06-04
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