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1. In terms of programming ideology, abstract classes are class first, which has the meaning of classification and has two meanings. One is divided by the whole of the research object, and the other is mutual exclusion. Classes must have specific

yesterday, a friend asked me if there was any optimization information for Mina. If a system on his side is pressed to 500 concurrent jobs, he will not be able to go up. He started to look at the national voice, I didn't think much about it. I just

I feel that the cold winter of the economy is coming, and the people may feel sad, but people still need to make positive improvements. Therefore, I would like to make a small prediction of the Development of Technology in 10 years: 1) cloud

When Poco is used, in WCF Ria service 1.0 for vs2010 (version 4.0.xxx), entities with entity members pass: [Invoke]Public E getxxxx () The SDK cannot be compiled when exposed to the client. This is a bug in this version of RIA, but this problem is

In the C # background, we should use the factory method to estimate that everyone thinks it is normal, but what about front-end web development? But it may not be remembered, especially for those who are very contemptuous of splicing HTML strings in

Nowadays, the industry is flooded with various frameworks, including persistence layer and business logic layer. Applying such frameworks in some projects is only a short-term cost, it should be a good choice, but the framework is a framework after

Things are always opposite and unified. Structured Data has unstructured data. nosql should provide a new data management mode for those unstructured data. Relational databases have been used for so many years, It is also difficult to process some

One of the main functions of dependency objects is to manage the attribute values of dependency properties. All classes that need dependency properties can be inherited from this, without the need to manage the dependency attribute values. The main

Libevent source code in-depth analysis 12 -- Enable libevent to support multithreadingZhang Liang Libevent itself is not multi-thread secure. In the multi-core era, how can we make full use of CPU capabilities? This section describes how to use

In my software practice, there are few programs that really write BS architecture. Most of the time I write desktop programs, but it is still early to understand and intervene in BS, I used Web pages when I was studying at school, but at that time I

For the benefits of dependency attributes, see the blog post I posted earlier. We know that there are many controls in WPF, but most of these attributes do not change the settings during programming, but use their default values directly (so when

In daily life, there are many things that need our attention (such as stock markets and property markets). These things can be called theme or information publishers, the purpose of observing a topic is to understand the Theme Changes (messages ).

Coupling Degree: The objective of object-oriented design is to improve reuse. To improve reuse, the design must be flexible and easy. But it is actually very difficult to do this. We know that East transactions are too closely linked. It is not

Author: Fang Weng (beginning of this article) Email: fangweng@taobao.com Mblog: weibo.com/fangweng Blog: http://blog.csdn.net/cenwenchu79/ Beatles: https://github.com/cenwenchu/beatles  Read before reading: This article mainly describes the design

  1. Methods to break through some limitations of WCF: A) Complete the configuration.You can configure it in Web. config or app. config. For this method, see the previous article; B) It can be implemented through code.The previous method has a

Mode generation: Many things of human beings will repeat in the labor process. Some things have similar methods, so people begin to summarize and form a way to solve such things. Experience, and in some form (books, oral, etc.) between people, such

/// /// The single-source shortest path algorithm in the directed acyclic graph/// Public class dag_shortest_paths{/// /// Single-source shortest path in a directed acyclic graph/// /// directed acyclic graph /// Source Vertex S Public void

I have been familiar with F # for a long time. I have not studied it carefully because it is useless. I am also responsible for the research of new technologies in my work in the company, in the process of getting vs2011, we found that the model

1. Delegate: The delegate is essentially a function pointer. However, because the pointer is too flexible, a safer alternative type is used in many languages, such as the Delphi object method and C # Delegate. delegation allows methods to be passed

When you debug the original program these two days, the following error occurs when calling the WCF Service: {"Remote server return error: (500) internal server error. "} The error message is as follows: The content type of the Response Message,