Entity Framework Code First Existing Database

The full name of the Entity framework is the Ado.net Entity framework, the Ado.net based ORM (object/relational Mapping) architecture developed by Microsoft. The main features of the Entity framework: 1. Supports multiple databases (Microsoft SQL Server, Oracle, and DB2); 2. Strong mapping engine, well supported storage ...

This paper is an excerpt from the book "The Authoritative Guide to Hadoop", published by Tsinghua University Press, which is the author of Tom White, the School of Data Science and engineering, East China Normal University. This book begins with the origins of Hadoop, and integrates theory and practice to introduce Hadoop as an ideal tool for high-performance processing of massive datasets. The book consists of 16 chapters, 3 appendices, covering topics including: Haddoop;mapreduce;hadoop Distributed file system; Hadoop I/O, MapReduce application Open ...

Kgroup develops and implements content management and distribution solutions for corporate and public Web sites and for network TV. Kgroup is headquartered in Milan, has been operating in Italy and Europe for more than 10 years, the latest product is the Qoob Content management architecture. Overview Kgroup has completed many large and small content management projects, so we are well aware of the need for continuous innovation in the Web world. Today's web content includes standard content types (text, pictures, audio, video, and so on), as well as custom content types dedicated to customer scenarios, such as internal and ...

In the past, we have introduced some principles of software development, such as the 10 commandments of high quality code and the UNIX design principles described in the UNIX legend (next article). I believe that you can learn from middle school some knowledge of design principles, as I said in the "How Do I Recruit procedures", a good programmer usually consists of its operational skills, knowledge level, experience level and ability four aspects. Here I would like to talk about some of the principles of design, I think these things belong to the long-term experience summed up knowledge. These principles should be understood by every programmer. But...

Introduction: It is well known that R is unparalleled in solving statistical problems. But R is slow at data speeds up to 2G, creating a solution that runs distributed algorithms in conjunction with Hadoop, but is there a team that uses solutions like python + Hadoop? R Such origins in the statistical computer package and Hadoop combination will not be a problem? The answer from the king of Frank: Because they do not understand the characteristics of R and Hadoop application scenarios, just ...

Azure Action Services provides a cloud platform based backend solution for action application developers, which now supports the use of the ASP.net Web API in addition to the use of JavaScript (node.js) to access the backend platform Technology, the operational logic of the backend platform, so for ASP.net developers who want to develop the API for the action device application, Azure Action Service is quite attractive: for the complete operation of all platform ...

In this blog, you will learn how to ">asp" existing http://www.aliyun.com/zixun/aggregation/14235.html. NET application to Windows Azure Web site. The demo application is a asp.net MVC 4 application that uses entity Framework (EF) Code one to access the number stored in SQL Server ...

The speed of the spread of Microsoft Windows Azure was a surprise, and developers were unusually quick to accept it. With Microsoft Windows Azure as a cloud platform, applications can easily migrate to the cloud. It is windows-based and. NET, so it is highly compatible with the developers ' existing applications. Typically, an application needs to go through two critical phases if it is to migrate to the cloud. The first stage is to do ...

Developers are unusually quick to accept Microsoft Windows Azure. Because it is windows-based and. NET, it is highly compatible with developers ' existing applications, and applications can easily migrate to the cloud using Microsoft Windows Azure as a cloud platform. Typically, an application will migrate to the cloud in two critical phases. The first stage is to make as few changes as possible, so that it can be "intact" in the microsof ...

The status of the PAAs platform as defined by NIST, a PAAs is an application deployment system built on a cloud infrastructure that provides users with APIs, tools, and services to deploy and manage applications and services. Currently widely understood PAAs has roughly gone through two stages of development. PAAs experienced a groping period, the first generation of cloud application platform technology representatives include Google APP Engine, force.com, early Heroku, SAE and early Bae, etc., by providing developers with DevOps ...