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Why JDO?
The majority of applications need to persist (or store) data during their lifecycle. There are many ways of doing this with an application written in Java. If your datastore is ... -
自监控
夜莺 5.x 版本有 n9e-webapi 和 n9e-server 两个模块，这俩模块都暴露了 /metrics 接口，所以，夜莺自身组件的监控，就有两个做法，做法一： 搞一个单独的 Prometheus，抓取 n9e-webapi 和 n9e-server 的 /metrics 的数据 在这个单独的 Prometheus 里配置 up 指标的告... -
Types of Fields
Supported Java Types First-Class (FCO) Types Second-Class (SCO) Types Simple Types Temporal Types Collection/Map Types Array Types JDO Attribute Converters Supported Java... -
Configuration
Using Redisson API Programmatic configuration is performed by the Config object instance. For example: Config config = new Config (); config . setTransportMode ( Transpo... -
HdfsFile
Support Those Engines Key Features Description Supported DataSource Info Sink Options Tips Task Example Simple: For orc file format simple config For text file format with ... -
Structure of the book
The book is broken down into small “recipes” that aim to demonstrate a single concept at a time. Chapter installation provides instructions on how to install the necessary softwa... -
Schema Evolution
Schema Evolution on Write Type Promotions Schema Evolution on read Adding Columns Altering Columns Deleting Columns Renaming columns Schema Evolution in Action Related Reso... -
Function
always comparator compose construct curry useWith flip groupBy identity invoker nAry once pipe tap binary unary ap empty of constructN converge always a → (... -
4.9 Multiple authors in a document
References We can add multiple authors to an R Markdown document within the YAML frontmatter in a number of ways. If we simply want to list them on the same line, we can provide ... -
SSO 集成
背景介绍 SSO 登录工作流 如何启用SSO登录 注意事项 背景介绍 作为企业实践，在应用程序中应用单点登录 (SSO) 是很常见的，这样可以通过集中且安全的方式管理用户凭证。 基于 Streampark 使用 Apache Shiro 进行身份验证和授权的事实，我们将使用 Pac4j 框架来实现单点登录 (SSO) 支持功能。 Pac4j 是...
