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1) on the second floor 2) take the elevator on the right 3) when you get off the elevator, turn left 4) at the end of the corridor on the right side 5 阅读全文
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2024.05.16 2024.05.17 sour having an acid taste like lemon or vinegar Is the lemonade (lemonade water) sour unripe the bananas are unripe at the momen 阅读全文
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Chapter 2 Why Structures carry loads? 1) Action and reaction are equal and opposite. 2) The science of elasticity is about the interactions between fo 阅读全文
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Zlibrary 阅读全文
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1 Proximity Service 1) requirements Functional Requirements Non-Functional Requirements 1 Return all businesses based on user's location (latitute and 阅读全文
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https://www.bilibili.com/video/BV1T54y1X7B8?p=4&vd_source=dcb6ff2b13531e67b3cb77a36c4e55f5 2024.06.04 ditch get wet well lit off ramp 匝道 on ramp 匝道 ov 阅读全文
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SOA-> Dubbo 现在Spring Cloud提供了一站式微服务解决方案 1.2 微服务架构引入 1) 单体应用架构 Monolithic Architecture pros: 简单，解决bug方便 cons: 耦合性太强 新增业务困难 5) 垂直架构 vertical architectur 阅读全文
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DDIA 1.0 基础介绍 Reliability Scalability Maintain 1.1 Reliability work under failure. Error 1) hardware error disk / network 2) software error bug 3) hum 阅读全文
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1、性能优化概述 Performance optimization 1）性能分析六个步骤 选择指标评估应用程序和系统的性能 evaluation indicator 为应用程序和系统设置性能目标 target 进行性能基准测试 baseline 性能分析定位瓶颈 bottleneck 优化系统和应用 阅读全文