Java Message Service

Apache Pulsar被譽為下一代分布式消息系統，旨在打通發佈/ 訂閱式消息傳遞和流數據分析。本書作者既與Pulsar項目創始成員共事多年，又有在生產環境中使用Pulsar 的豐富經驗。正是這些寶貴的經驗成就了這本Pulsar“避坑指南”，為想輕鬆上手Pulsar的讀者鋪平了學習之路。本書分為三大部分，共有12章。第一部分概述Pulsar的設計理念和用途。第二部分介紹Pulsar的特性。第三部分以一個虛構的外賣應用程序為例，詳細地介紹Pulsar Functions框架的用法，並展示如何用它實現常見的微服務設計模式。本書示例採用Java語言，並同時提供Python實現。

Discover where events in the Old and New Testaments took place and see how people lived in Biblical times in this illustrated guide.Take a trip around the Holy Land with this collection of beautifully drawn maps, which show where events from the Bible took place.Introducing The Bible Atlas – a beautifully illustrated guide to the geography, events and people of the Old and New Testaments for children aged 9-12. In illustrated guide, follow the journeys of the patriarchs, view inside Solomon's Temple, witness Jesus' miracles, and see exactly where Paul travelled while spreading the message of Christianity.Dive straight into this pictorial Bible guide for kids, offering:- An illustrated guide to key events of the Old and New Testaments for children.- A variety of maps showing in detail where events from the Bible took place.- An original and retro-feel illustration style combined with modern fonts, which creates a different approach compared to photographic or CGI-based books.As well as

本書共7章，詳細講述了線性結構、樹結構和圖結構中的數據表示及數據處理的方法，並對查找和排序兩種重要的數據處理技術作了細緻的探討。書中對每一類數據結構的分析均按照“邏輯結構—存儲結構—基本運算的實現—時空性分析—典型例題—知識點小結—擴展學習導讀—練習題—實驗題”的順序來進行，其中典型例題和擴展學習導讀部分以二維碼方式提供，算法全部採用Java語言描述，全部程序均經過仔細調試。

Meet Earthworm – pink, wriggly and busy helping everyone’s gardens grow. In collaboration with the Royal Horticultural Society (RHS), the UK's leading gardening charity, comes a charming tale with a powerful message for little green minds: join one very special worm to discover the important role earthworms play in nature and how they help our wildlife thrive. This informative tale features delightful illustrations by Hannah Peck (Somebody Swallowed Stanley) and includes additional factual content young readers will love. This beautiful, illustrated children's books series is the perfect introduction to the world of flowers, trees and wildlife, ready to inspire a new generation.The perfect book to help you connect with nature Stunning illustrations andfactual content that will take you on a wonderful journey through nature This amazing book will inspire children (and grown-ups!) to get out in the garden Reviews of What The Worm Saw "This fun narrative way

Introduce The Famous Five to younger readers with these BRAND-NEW mystery stories for children aged five and up!When the Five go to the village show, they find themselves in the heart of a storm! Can they help find the prize that has mysteriously disappeared?Set in the world of Enid Blyton’s best-loved series, this newly created story follows Julian, Dick, Anne, George and Timmy the dog on a special new adventure. The story is broken down into short chapters with vibrant, full-colour illustrations on every page – perfect for shared reading or for newly confident readers to enjoy independently.Also look out for: The Birthday Adventure, Five to the Rescue!, Five and the Runaway Dog, Message in a Bottle, Timmy and the Treasure and The Mysterious Noise, illustrated by Becka Moor.Enid Blyton’s eight original short stories about the Famous Five are also available as early readers illustrated by Jamie Littler. Collect them all!A Lazy AfternoonGeorge’s Hair Is Too LongWell Done, Famous FiveFiv

本書以初學者角度出發, 以通俗的語言和豐富的實例介紹了與XML相關的各種主要技術, 包括XML基本概念、基礎語法、文檔類型定義、Schema、層疊式樣式表、可擴展樣式語言、數據島、文檔對象模型和簡易應用程序編程接口等相關知識, 其中文檔對象模型和簡易應用程序編程接口程序已Java語言為例進行講解。本書內容由淺入深, 在講解基礎知識的同時給出了大量實例, 每章給出填空題、選擇題和上機操作題等習題, 便於讀者鞏固所學的知識。

A love letter to the hustle, the bustle, the joy, and the grit of city life by debut author and Bronx native, Janelle Harper, and two-time Coretta Scott King Illustrator Award winner, Frank Morrison. "My block looks likea collision of culturesa melting pot of coola burst of lifemy favorite groove . . .No matter what happensI've seen it for myselfmy block looks likethe coolest placeI've ever been." A lyrical and proud picture book that recognizes the beauty of the bodegas, subways, and playgrounds that characterize everyday life in the Bronx and pays homage to the ways that its residents have shaped pop culture through music, visual art, and dance. Perfect for fans of I Am Every Good Thing and Last Stop on Market Street, My Block Looks Like offers kids a reaffirming message to celebrate and uplift their communities in an energetic text that begs to be read aloud.

《Spring Cloud微服務和分布式系統實踐》從企業的真實需求出發，理論結合實際，深入講解Spring Cloud微服務和分布式系統的知識。書中既包括Spring Cloud微服務的各類常用組件的講解，又包括分布式系統的常用知識的介紹。Spring Cloud組件方面主要講解服務註冊和服務發現（Eureka）、服務調用（Ribbon和OpenFeign）、斷路器（Hystrix和Resilience4j）、網關（Zuul和Gateway）、配置（Config）、全鏈路追蹤（Sleuth）、微服務的監控（Admin）等；分布式系統方面主要講解分布式數據庫、分布式緩存、會話和權限以及發號機制等。本書的實踐部分通過Apache Thrift講解了遠程過程調用（RPC）在分布式系統中的應用，並且分析了處理高併發的一些常用方法，最後還通過一個簡單的實例講解了微服務系統的搭建。本書適合想要學習Spring Cloud微服務、分布式系統開發的各類Java開發人員閱讀，包括初學者和開發工程師。本書對架構師也有一定的幫助。

本書講解當前Java EE企業級開發的熱門框架Spring Boot，並結合實際開發場景，介紹如何使用Spring Boot整合第三方框架進行Web開發。全書共10章，其中，第1～2章介紹Spring Boot的相關概念、Spring Boot核心配置與注解；第3～9章介紹Spring Boot開發Web應用的常見技術，包括數據訪問、視圖技術、實現Web的常用功能、緩存管理、安全管理、消息服務、任務管理。第10章結合前面所學的知識，開發一個綜合項目――個人博客系統，希望讀者通過項目實戰，深刻體會使用Spring Boot框架開發Web應用的便捷之處。本書附有配套視頻、源代碼、習題、教學PPT、教學設計等資源；另外，為了幫助初學者更好地學習本書講解的內容，我們還提供了在線答疑服務，希望可以幫助更多的讀者。本書既可作為高等院校本、專科計算機相關專業的教材，也可作為社會培訓教材，是一本適合讀者自學和參考的讀物。

本書全面系統地介紹了Oracle 19c的基礎知識和應用開發, 教學和實驗配套, 實驗包含驗證性實驗和設計性實驗。全書分為兩篇: 第1篇介紹Oracle數據庫基礎, 各章內容為: 概論、Oracle數據庫系統、Oracle數據庫、Oracle表、數據查詢、視圖、索引、序列和同義詞、數據完整性、PL/SQL程序設計、存儲過程和函數、觸發器和程序包、安全管理、備份和恢復、事務和鎖、Java EE和Oracle學生成績管理系統開發。第2篇介紹Oracle數據庫實驗, 各個實驗與各章內容對應。

本書詳細剖析了Flink中的時間、窗口、有狀態計算和檢查點這4項核心難點，盡可能降低讀者的學習成本，並且相對全面地介紹了Flink SQL API的相關內容。本書分為11章，各章內容層層遞進。第1-3章是Flink初學者必讀內容，主要介紹Flink的由來、特性、API的使用方法和運行時的架構。如果讀者想使用Java開發一個Flink流處理作業，推薦仔細閱讀第4-7章。第4章介紹Flink DataStream API中的基礎接口。第5章和第6章介紹Flink中的時間、窗口、有狀態計算和檢查點的相關知識。第7章介紹Flink有狀態流處理API。如果讀者想使用SQL開發一個Flink流處理作業，推薦仔細閱讀第8-11章。第8章介紹Flink Table API和SQL API中的基礎概念。第9章介紹Flink SQL API中的語法及其執行過程。第10章介紹Flink SQL API中的函數。第11章介紹Flink SQL API中的參數及SQL優化方法。