Entity Framework Performance

The count query statement generated by entity Framework 4 was previously found to be a problem with the paging SQL statement that it generated today, and LINQ to SQL does not. 　　>>> take a look, and see! On code: Look at the generated SQL statement: 1. 　　Entity framework-generated SQL: A top, three from. 2. LINQ to SQL generated sql: ...

Server08 R2 is the cloud mainstream operating system 2012, the development of cloud computing has begun to descend slowly, after all, the ultimate goal of cloud computing is to bring profits to the business, to bring convenience to people's lives, illusory things even if the outline of the perfect will be eliminated.   In 2012, cloud computing has begun to solve the real problem for users, the major IT vendors have launched their own cloud solutions, it can be said that the next step of cloud computing will usher in a real test, but also the cloud is ushered in a rapid landing opportunities. ...

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 ...

Intermediary transaction SEO diagnosis Taobao guest Cloud host technology Hall for the traditional industry, how to meet the trend of the times to perfect integration into the electrical quotient gene is a very difficult thing, especially to change the experience of the entity operations, to learn new knowledge and adapt to a different system. This article is designed to give you a quick grasp of the traditional industry to take the best battle blueprint for the electric business battlefield, for everyone to see the combat guide. Managers can use this to arm their own enterprises, brave to go to the first step of the electric business market, employees can understand the company's electrical business ideas, in their own line of practice has a better set ...

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 ...

The distributed computing technology proposed by Google makes it easy for developers to develop global application services, and cloud computing technology automates the management of communication, task allocation, and distributed storage among a large number of standardized (heterogeneous) computers. 　　The cloud comes from a decentralized, parallel operation, but better than the grid. Data computing cloud technology can be considered as a sub-set of grid technology, both of which are designed to hide the complexity of the system, so that users need to use it without knowing how the system works inside. The parties follow up with Google to promote cloud services, but the definition is different ...

Uidesigner is the Tencent user research and experience Design Department (CDC) design of a design software, to create a unified platform for designers and team collaboration platform design tools, after 1.0 and 2.0 version of the experience of precipitation, we decided to 3.0 version of the new architecture design. The development of a software system, the early stage of the architecture design bearing the entire software design ideas and key decisions, can be said to be the most important. According to software architecture design ideas, focus on segmentation and interaction, good architecture must make each of the concerns separated from each other. We have the most basic need ...

C + + computer vision ccv-based on C language/provides cache/core machine Vision Library, novel Machine Vision Library opencv-It provides C + +, C, Python, Java and MATLAB interfaces, and supports Windows, Linux, Android and Mac OS operating system. General machine learning Mlpack dlib Ecogg Shark Closure Universal machine learning Closure Toolbox-cloj ...

Today has entered the web2.0 high-speed development of the internet era, a variety of Internet Web applications have sprung up. So how do you develop a good Web application as a Web developer? There is no simple answer to this question, even the educational institutions may not be able to know clearly. So, like most web developers in this field, we only learned this by doing experiments. No one tells us how to do it, we start by doing something for ourselves, learn how to develop Web applications in this ...

(This article is published in the "Truth Furniture" magazine March 2014 issue) 2013-year double 11 shopping carnival, incredibly the home appliance merchants on line, named incredibly online. Coincides with a double on the eve of the line 19 China's largest home shopping chain boycott of the cat double A section of the shopping mall to implement its O2O plan, incredibly online debut in this sensitive time, it is inevitable that its choice of the time behind the intention to try to figure out. However, I am concerned about is not incredibly online to choose when on-line, but actually online with the previous traditional home shopping mall to do the electrical business ...