Posts (page 96)
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7 min readWhen specifying searching sequence in fields in Solr, you can use the "qf" parameter in your search query. The "qf" parameter stands for "Query Fields" and allows you to specify which fields should be searched and in what order.For example, if you want to search for a term in the "title" field first and then in the "content" field, you can set the "qf" parameter to "title^2 content".
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5 min readTo ignore accent search in Solr, you can use the ASCIIFoldingFilterFactory in your schema configuration. This filter factory will convert accented characters to their ASCII equivalents during indexing and searching, allowing you to ignore accents when searching. Simply add the ASCIIFoldingFilterFactory in your field type definition in the schema.xml file and reindex your data to apply the changes. This will help ensure that search queries do not consider accents when matching text in Solr.
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5 min readTo update the index of a document by its "id" in Solr, you need to perform a specific update operation. First, you will need to use the unique identifier of the document (typically the "id" field) to specify which document you want to update. Then, you can send a request to Solr with the updated field values for that document, and Solr will automatically update the index accordingly.
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8 min readTo copy Hadoop data to Solr, you can use the MapReduceIndexerTool provided by Apache Solr. This tool allows you to efficiently index data from Hadoop into Solr collections. You need to configure the tool with the necessary parameters such as input path, Solr URL, input format, output format, etc. Once configured, the tool will read data from Hadoop, preprocess it, and send it to Solr for indexing.
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6 min readTo group dates by day in Solr, you can use the 'date facet' feature in the Solr query. This can be achieved by using the 'facet' parameter in the Solr query along with the 'facet.date' parameter to specify the field you want to group by (in this case, the date field).You can specify the 'facet.date.start' and 'facet.date.end' parameters to define the start and end date range for grouping. Additionally, you can use the 'facet.date.
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4 min readTo get the size of a Solr document, you can use the Solr admin interface or query the Solr REST API. The size of a document in Solr refers to the amount of disk space it occupies in the Solr index. This includes the actual data stored in the document fields, as well as any additional metadata and index information.One way to determine the size of a document is to query the Solr index for that document and analyze the response.
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6 min readTo get the architecture of the CNN model from TensorFlow, you can use the model.summary() function. This function will display a summary of the architecture of the model, including the layers and their parameters. You can also visualize the model using tools like TensorBoard to get a better understanding of the architecture. Additionally, you can access the layers of the model and inspect their properties individually to get more detailed information about the architecture.
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5 min readTo change schema.xml in Solr without restarting the server, you can reload the core or collection that contains the schema file. This can be done by sending a POST request to the Solr admin API with the action 'RELOAD' for the specific core or collection. This will cause Solr to reload the schema.xml file and apply any changes without the need to restart the server.
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7 min readTo use a saved model in TensorFlow.js, you first need to save your model in a format that TensorFlow.js can understand. This can be done by converting your trained model from a format such as Keras or TensorFlow to a TensorFlow.js format using the TensorFlow.js Converter tool.Once you have successfully converted and saved your model in the desired format, you can load the model into your web application using the loadLayersModel() function provided by TensorFlow.js.
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4 min readTo create a Solr user, you need to start by editing the Solr security configuration file and defining the desired user credentials. You can specify the username and password for the new user in this file. Once you have saved the changes, you will need to restart the Solr service to apply the new configuration.After restarting Solr, you can test the new user by trying to access the Solr administration interface or making a query to the Solr server using the credentials of the new user.
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7 min readIn TensorFlow, you can use different optimizers for layers by specifying the optimizer when compiling the model. The optimizer is responsible for updating the weights of the model during training.To use a different optimizer for layers in TensorFlow, you first need to instantiate the optimizer object. Some popular optimizers include Adam, SGD, and RMSprop. Once you have created the optimizer object, you can pass it as an argument to the compile method of your model.
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7 min readIn Solr, you can search based on relevance by using the "q" parameter in the search query. By default, Solr returns search results based on relevance, which is determined by factors such as term frequency, document frequency, and field length. However, you can further refine the relevance of search results by using boost queries, function queries, or specifying the fields to search in.