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Role: User, factory, product. The purpose is to separate the consumption and production of products. in programming, classes are created and used separately. to achieve separation of responsibility, this is actually one of the purposes of all

A few days ago, when I saw the white crow's "a faster horse", I felt the deepest point: many times I drew a circle for myself, limiting my way of thinking, this has killed innovation. From developers, to architecture design implementation, to

M is the model layer, which is actually the data service layer of the client. V is the page, that is, the view layer. VM is the model layer of the view, it can also be seen as a bridge layer between m and V. We know that in database programming,

The property binding of silverlight4 supports the indexer. With this feature, the VM can provide more convenient support for V, and the basic types of Dictionaries can also be used through the WFC Ria service, dynamic data, such as datatable, can be

In the last two days of this year, I will write the latest two technology-related articles, one about asynchronous request processing, the first half of Open API-related content was published in the programmer magazine in January, which is also the

Large websites often encounter high-traffic data output problems. Frequent output to databases, files, and third-party systems will lead to instability and inefficiency. Therefore, we need to solve this problem in a certain way. In fact, the simple

Introduction: NiO applications on the server have been widely used. However, there are not many instructions on the use of NiO on the client. At the same time, in my opinion, NiO is used on the client to add an event-driven framework to the original

Some time ago, I worked with an isV to check whether the top service link was reset. At that time, I thought it was an SDK problem. Therefore, I separated the SDK data link layer code to isV for testing, no link reset issues found. After some

1) since the previous function evaluate times out, the function evaluate is disabled. You must continue the execution to re-enable function evaluation: This is because variables in windows such as local and watch are automatically evaluated during

In non-virtual mode, the calling interface is separated from the actual execution function. The Calling Interface does not support inheritance (no polymorphism function), and the implementation of polymorphism is handed over to the specific

The random access feature of the array is used for counting sorting. The number k to be sorted is converted into the subscript K of the array, the value of a [k] with K as the underlying value in this array represents the number of K. This sorting

I remember that I wrote about the memory overflow problem of the jdk1.5 pool in my blog a while ago. This time I took advantage of the use of the new memcache client and conducted a comprehensive stress test. JDK uses 1.5 of the stress test

Open API analysis, practice, and thinking Author: beginning of this article Email:Wenchu.cenwc@alibaba-inc.com Blog:Http://blog.csdn.net/cenwenchu79   1. Introduction to open APIs... 2 Development of open APIs... 2 Open API format... 2 Open

Today, a memcached cache client I optimized sent me an email asking me about the role of a parameter. I think it is still an important parameter. So let's talk about it as well, at the same time, here we will also talk about the minor upgrades that

To be honest, I still don't know much about spring technology. I mentioned IOC Technology in Entity Framework technology. However, IOC and AOP are two core ideas of spring technology, I think it is necessary to explain the ioc I understand before

Next we will use the additional attributes to show the ready action set as the additional attributes in XAML: 1) additional property classes: /// /// Add an attribute definition class. Note that the class must be static. This is a bit similar to

Proposition: A combination of k elements from n different elements: /// /// Recursive Method/// /// n different elements /// K combinations /// Start n /// Start k /// parameter array Private void combnk (int n, int K, int initn, int initk, int

MiscellaneousSuddenly I want to write something, not so formal. Let's talk about objc client development from some perspectives. (Objc cool people directly point out what is wrong and give them a learning opportunity)Crash:Empty objects are stored

"14 blocks of 9 hairs saved" Last week's "wolf night" was full, and it took one and a half hours for a round of playing. As there was only one wolf card, it was not possible to group it. I thought I could buy a few more cards and then I could come

It has been about 10 months since I started iOS development and officially started the qianniu client intermittently, including network communication, file system, multithreading, compression, encryption, notifications, gestures, views, IAP,