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Flink DDL
DDL commands CREATE Catalog Hive catalog This creates an Iceberg catalog named hive_catalog that can be configured using 'catalog-type'='hive' , which loads tables from Hive m... -
Type
is type isNil propIs is (* → {*}) → a → Boolean Parameters ctorA constructor valThe value to test Returns Boolean Added in v0.3.0 See if an object (i.e. val ) is a... -
Queries
Spark Queries To use Iceberg in Spark, first configure Spark catalogs . Iceberg uses Apache Spark’s DataSourceV2 API for data source and catalog implementations. Querying with S... -
Gobblin as a Library
Using Gobblin as a Library Creating an Embedded Gobblin instance Configuring Embedded Gobblin Running Embedded Gobblin Extending Embedded Gobblin Using Gobblin as a Library ... -
Tailwind CSS 响应式官网开发
本节将介绍如何使用 Tailwind CSS 开发一个现代化的响应式企业官网，包括页面布局、组件开发、响应式设计等方面。 页面布局 导航栏组件 // components/Navbar.tsx import { useState } from 'react' ; const Navbar = () => ... -
Type
is type is (* → {*}) → a → Boolean Parameters ctorA constructor valThe value to test Returns Boolean Added in v0.3.0 See if an object (i.e. val ) is an instance of t... -
Type
is type isNil propIs isNotNil is (* → {*}) → a → Boolean Parameters ctorA constructor valThe value to test Returns Boolean Added in v0.3.0 See if an object (i.e. ... -
第五章：synchronized关键字
学习目标 1. 对象锁与类锁的概念 1.1 对象锁（实例锁） 1.2 类锁（静态锁） 1.3 对象锁与类锁的对比 2. synchronized修饰方法与代码块的区别 2.1 修饰方法 vs 修饰代码块 2.2 不同锁对象的选择 3. synchronized的底层实现原理 3.1 Monitor监视器 3.2 字节码层面的实现 3.3 ... -
Distributed publish/subscribe
Topic Java RTopic object implements Publish / Subscribe mechanism based on Redis Pub/Sub or Valkey Pub/Sub . It allows to subscribe on events published with multiple instances o... -
Tailwind CSS 按需加载策略
在大型应用中，合理的按需加载策略可以显著提升应用性能。本节将详细介绍如何在使用 Tailwind CSS 的项目中实现高效的按需加载。 样式按需加载 基础配置 // tailwind.config.js module . exports = { // 配置 JIT 模式 mode : 'jit' , // ...
