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  • Key Management

    Introduction General Guidelines and Considerations Key Selection Algorithms and Protocols Cryptographic hash functions Symmetric-key algorithms Asymmetric-key algorithms Messa...
  • 聚合

    聚合 速查表 在 QuerySet 上生成聚合 Generating aggregates for each item in a QuerySet Combining multiple aggregations Joins and aggregates Following relationships backwards Aggregations ...
  • Aggregation

    Aggregation Cheat sheet Generating aggregates over a QuerySet Generating aggregates for each item in a QuerySet Combining multiple aggregations Joins and aggregates Following...
  • Writing your first Django app, part 2

    Writing your first Django app, part 2 Database setup Creating models Activating models BEGIN ; — Create model Choice ); — Create model Question ); — Add field question ...
  • Introduction

    Introduction General Guidelines and Considerations Key Selection Algorithms and Protocols Cryptographic hash functions Symmetric-key algorithms Asymmetric-key algorithms Messa...
  • Spark SQL 外部数据源

    1409 2019-12-08 《大数据入门指南》
    Spark SQL 外部数据源 一、简介 1.1 多数据源支持 1.2 读数据格式 1.3 写数据格式 二、CSV 2.1 读取CSV文件 2.2 写入CSV文件 2.3 可选配置 三、JSON 3.1 读取JSON文件 3.2 写入JSON文件 3.3 可选配置 四、Parquet 4.1 读取Parquet文件 2.2 写入Pa...
  • Chapter 8 Securing Applications

    Chapter 8 Securing Applications Policy as Code Deployment Gating Conformity Testing Compliance Testing Activity Testing Auditing Infrastructure Immutable Infrastructure Conc...
  • 聚合

    聚合 速查表 在 QuerySet 上生成聚合 Generating aggregates for each item in a QuerySet Combining multiple aggregations Joins and aggregates Following relationships backwards Aggregations ...
  • Binary protocol

    Pulsar binary protocol specification Connection sharing Framing Simple commands Message commands Broker entry metadata Message metadata Batch messages Interactions Connecti...
  • Postgresql Extensions

    Postgresql Extensions JSON Support hstore support Using hstore Interval support Server-side cursors Full-text search postgres_ext API notes Postgresql Extensions The pos...