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About the Authors
Yihui typed out most of the words in this book, which is the only justification for him being the “first” author. Christophe has made substantial contribution to this book by help... -
Collection
_.countBy(collection, [iteratee=_.identity]) Since Arguments Returns Example _.every(collection, [predicate=_.identity]) Since Arguments Returns Example _.filter(collec... -
Relation
countBy difference differenceWith unionWith union gt gte intersection lt lte max min propEq sortBy pathEq maxBy minBy equals identical countBy (a → String) → ... -
Relation
countBy difference differenceWith unionWith union gt gte intersection lt lte max min propEq sortBy pathEq countBy (a → String) → [a] → {*} Parameters fnThe fu... -
5 Formatting
The greatest strength of the Markdown language is that its simplicity makes it very easy to read and write even to newcomers. This is its key design principle, as outlined by the ... -
任务类型
Appendix Shell SubProcess Dynamic Dependent Stored Procedure SQL Spark MapReduce Python Flink HTTP DataX Sqoop Pigeon Conditions Switch SeaTunnel Amazon EMR Apac... -
Amazon Redshift Spectrum
Hudi and Iceberg tables Delta Lake table To read a OneTable synced target table (regardless of the table format) in Amazon Redshift, users have to create an external schema and ... -
Team & member Management
User Management Team Management Role Management Member Management User Management ADMIN can select the user type when creating or modifying a user. There are two user types: ... -
Collect Information
Before deploying a cluster, you should collect the following information: The fully qualified domain name (FQDN) of each host in your system. The Ambari Cluster Install wizard s... -
orm DTD/XSD
JDO defines XML MetaData in jdo files as well as orm files. As always with XML, the metadata must match the defined DTD/XSD for that file type. This section describes the conten...
