技术专区
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在云服务器中构建Spark数据管道 - 新手必备
批量数据管道 101提取、转换、加载批量数据管道通常执行一个或多个 ETL 步骤。 每一步都遵循以下模式： Extract — 从某个位置加载数据（例如 S3）转换——执行聚合、过滤、应用 UDF 等。加载 &mdas…
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5个惊人的Python技巧，让你的代码更优雅
“美丽总比丑陋好。” 这不仅是《Python之禅》的第一句话，也是所有Python开发者的信条。 但是如何区分美丑代码呢？ 更重要的是，如何写出漂亮的Python代码？ 谈话很便宜。本文将通过对初学者友好的示例…
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A Holiday Message From KPI...
The last 12 months have been very special. We hope you and your family have a wonderful holiday and a happy new year! We are looking forward to working with you in 2013. - The KPI Team
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Why Data Matters to the CFO...
If productive people are the most valuable asset of an organization, data is its most precious boon. Estimates show that 90% of accessible information comes from hundreds of millions of digital data …
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Xubuntu 22.10 的新变化
作者： Ankush Das 译者：LCTT littlebirdnest | 2022-10-29 16:08 评论: 3 Xubuntu 22.10 提供了精致的 Xfce 体验。请读此文了解详情。 Xubuntu 是基于 Xfce 的 Ubuntu …
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How to Protect Your WordPress Website From Redirect Malware Campaign
Sucuri, a well-known website security firm, revealed its studies about a unique search engine poisoning technique that lets attackers increase the authority of the attacker’s sit…
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A Holiday Message From KPI...
The last 12 months have been very special. We hope you and your family have a wonderful holiday and a happy new year! We are looking forward to working with you in 2013. - The KPI Team
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How to Fix CVE-2022-28199- Vulnerability in NVIDIA Data Plane Development Kit
The network appliances manufacturer giant Cisco published an advisory on 7th September 2022 following NVEDIA’s advisory published on 29th August, in which Cisco detailed a v…
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RabbitMq死信队列
死信的概念 死信：顾名思义就是无法被消费的消息，字面意思可以这样理解，一般来说，producer 将消息投递到 broker 或者直接到queue 里了，consumer 从 queue 取出消息进行消费，但某些时候由于特定的原因导致 queu…
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Spring Boot框架下实现Excel服务端导入导出
1.IDEA建立SpringBoot新项目 1.1扭簧复位 希望在IDEA下迅速搭建一个SpringBoot新项目，可以用SpringInitializr专用工具做为钢管脚手架。 进到IDEA后，在左侧菜单中都可以找到Plugins，点一下后，在上方输入框中键入…