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  • Object

    2398 2024-06-05 《Ramda 0.30.1》
    clone values eqProps keys omit pick pickAll project prop props keysIn path valuesIn toPairs toPairsIn propOr has hasIn assoc assocPath lens pickBy evolve inv...
  • Transactions

    2388 2024-05-25 《Apache JDO 3.2.1》
    Locking Non-Transactional When managing the persistence of objects using a PersistenceManager it is common to handle all datastore operations in a transaction. For this reason ...
  • Assert

    Description Key Features Options rules [ConfigMap] field_rules [ConfigList] field_name [string] field_type [string | ConfigMap] field_value [ConfigList] rule_type [string] ...
  • AWS S3

    2378 2024-07-01 《Apache Hudi 0.15.0》
    AWS configs AWS Credentials AWS Libs AWS S3 Versioned Bucket In this page, we explain how to get your Hudi spark job to store into AWS S3. AWS configs There are two configur...
  • Marker Mechanism

    2378 2024-06-30 《Apache Hudi 0.15.0》
    Purpose of Markers Marker structure Marker Writing Options Direct Write Markers Timeline Server Markers (Default) Marker Configuration Parameters Purpose of Markers A write...
  • Configuring MySQL for Ranger

    Prerequisites Steps RHEL/CentOS/Oracle/Aamazon Linux SLES Prerequisites When using MySQL, the storage engine used for the Ranger admin policy store tables MUST support trans...
  • Hive

    Description Key features Options table_name [string] metastore_uri [string] hdfs_site_path [string] read_partitions [list] krb5_path [string] kerberos_principal [string] ke...
  • Aggregation Functions

    2369 2024-06-24 《Apache AGE 0.6.0》
    Data Setup min Using min() with Lists max stDev stDevP percentileCont percentileDisc count Using count(expression) to return the number of values Counting non-null value...
  • Function

    2358 2024-06-02 《Ramda 0.2.3》
    always comparator compose construct curry useWith flip groupBy identity invoker nAry once pipe tap binary unary always a → (* → a) Parameters valThe value to...
  • 5.7 Line numbers for code blocks (*)

    2353 2024-05-24 《R Markdown Cookbook》
    References You can add line numbers to either source code blocks, via the chunk option attr.source = ".numberLines" , or text output blocks, via attr.output = ".numberLines" (se...