Code First Approach In Entity Framework

This series of articles is a learning record about the fundamentals of azure services development, and because of time constraints, the process of wishing to discuss and explore yourself is from scratch, to be able to develop basic programming for azure services. There may be a very deep topic relative to each topic, and I would like to have time to do it through other articles. 　　The positioning of this series is basically positioning, take 20-30 minutes, download the code first, follow the article, run to get the relevant experience. The previous article is about Azure queue storage, this is about ...

This article is my second time reading Hadoop 0.20.2 notes, encountered many problems in the reading process, and ultimately through a variety of ways to solve most of the. 　　Hadoop the whole system is well designed, the source code is worth learning distributed students read, will be all notes one by one post, hope to facilitate reading Hadoop source code, less detours. 1 serialization core Technology The objectwritable in 0.20.2 version Hadoop supports the following types of data format serialization: Data type examples say ...

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 ...

"Editor's note" Mature, universal let Hadoop won large data players love, even before the advent of yarn, in the flow-processing framework, the many institutions are still widely used in the offline processing. Using Mesos,mapreduce for new life, yarn provides a better resource manager, allowing the storm stream-processing framework to run on the Hadoop cluster, but don't forget that Hadoop has a far more mature community than Mesos. From the rise to the decline and the rise, the elephant carrying large data has been more ...

"Editor's note" Mature, universal let Hadoop won large data players love, even before the advent of yarn, in the flow-processing framework, the many institutions are still widely used in the offline processing. Using Mesos,mapreduce for new life, yarn provides a better resource manager, allowing the storm stream-processing framework to run on the Hadoop cluster, but don't forget that Hadoop has a far more mature community than Mesos. From the rise to the decline and the rise, the elephant carrying large data has been more ...

Showroom phenomenon refers to the phenomenon that consumers look for lower prices on the Internet after they have experienced the product in an entity retail store, via smartphones or after they go home. If consumers choose to buy elsewhere after comparing prices, the retailer will often suffer losses. 　　In this way, the retail store is reduced to a showroom. In the US and UK, 82% of shoppers have used smartphones ...

The intermediary transaction SEO diagnose Taobao guest Cloud host Technology Hall recently some difficult to suppress the brain itch itch, reading and the desire of the code word is also increasing, but by the time energy and so on absolute objective factor limit, have to maintain a week a translation frequency, feel how many have so little frustration and helpless. About this article, actually hesitated for a long time in the title. This is the 15th chapter of the new book a Practical Guide to web app success; The theme should obviously be in the Web application, but this chapter alone ...

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...

September 21-22nd, China's leading E-commerce service provider network Sheng Business Treasure (002095), a well-known commodity data business, and NINGBO International Trade Investment Development Co., Ltd., China Commodity Research Center, China Electronic Commerce Research Center (www.100EC.cn) co-organizer " 2012 (third term) Commodity Exchange Market Development Forum (CBSE) "held in Ningbo (Forum review: Http://news.chemnet.com/list/zt/industry/dzfzlt20 ...)

The intermediary transaction SEO diagnose Taobao guest cloud host technology Hall content again rich website, if slow to cannot visit also meaningless; SEO do a good site, if the search spider can not catch is also in vain; 　　UE design of the humanized site, if the user can not even see is empty talk. So the efficiency of Web pages is definitely the most noteworthy aspect. How can you improve the efficiency of a Web page? Steve Souders (Steve Souders's data suggests 14 guidelines for improving the efficiency of Web pages ...