Globally-distributed applications with Microsoft Azure
This is the repository associated with the FREE e-book Globally-distributed applications with Microsoft Azure
Architecture
Online.Store is a web application designed to scale across multiple regions over the globe. It does that by leveraging the following Azure Services:
- Azure CDN
- Azure Traffic Manager
- Azure Storage
- Azure Cosmos DB
- Azure Search
- Azure Redis Cache
- Service Bus
- App Services & WebJobs
- Azure SQL Databases
- SQL Active Geo-Replication
- Azure Active Directory B2C
Users authenticate using either ASP.NET Core Identity or Azure Active Directory B2C
The book
The first 4 parts describe the features for each Azure Service used and their role in the design of the Online.Store application. It provides step by step instructions to configure Online.Store application settings and secret keys so that you can deploy it all over the globe. The final chapter explains the PowerShell scripts that you can use to automate processes in a globally distributed application (resource provisioning, releases or rolling back updates)
Continuous Integration & Delivery
Continuous Intregration & Delivery is based in AppVeyor which is totally free to use for open-source projects
Online.Store project
Online.Store is a cross-platform application built with .NET Core and Angular. In order to follow along with the book, create Azure Services and build the project you need the following:
- An Azure free account. It's absolutely free, plus you get a $200 credit you can spend during the first 30 days. In a nutchell, to register a free account you need a Microsoft email and a credit cart. Don't worry your credit cart will not be charged. You can read more about the Azure free account here
- Install Microsoft - NET Core
- Install Node JS. Version v6.11.2 and later should be good enough
- Install Git
In case you are in a Windows OS it is highly advised to install Visual Studio 2017. The project however can be built and run outside of Visual Studio as well (using the .NET Core CLI)
For each Azure Service there is a corresponding library project with generic repositories. The front-tier is built with Angular and ngrx/store
License
Code released under the MIT license.-
Planet 是一个用 Python 开发的 RSS 新闻聚合器。
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RSS-Planet 是一个用来从不同的网站上抓取头条新闻（通过RSS）并通过 xplanet 将这些信息存储在对应的全球地图上。
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The scale component defines a shrinking, stretching, or skewing transformation of an entity. It takes three scaling factors for the X, Y, and Z axes. All entities inherently have the scale component.
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描述 (Description) Scale效果可以与show/hide/toggle一起使用。 这会按百分比因子缩小或增加元素。 语法 (Syntax) 以下是使用此效果的简单语法 - <i>selector</i>.hide|show|toggle( "scale", {arguments}, speed ); 参数 (Parameters) 以下是所有论点的描述 - direction -
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“缩放”小组件提供了一个图形滑块对象，允许您从特定比例中选择值。 语法 (Syntax) 以下是创建此小部件的简单语法 - w = Scale ( master, option, ... ) 参数 (Parameters) master - 这表示父窗口。 options - 以下是此小部件最常用的选项列表。 这些选项可用作以逗号分隔的键值对。 Sr.No. 选项和说明 1 activeback
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对于可视化来说，比例尺是一个很方便的工具：将抽象的维度数据映射为可视化表示。虽然经常使用位置编码定量数据，比如将测量单位米使用像素映射。但是比例尺可以对任何视觉编码进行映射，比如颜色，描边的宽度或者符号的大小。比例尺也可以用来对任意类型的数据进行映射，比如分类数据或离散的数据。 对于 Installing NPM 安装：npm install d3-scale. 此外还可以下载 latest re