Asynchronous Server

Server-push technology has been available for a long time, but until the birth of gtalk slowly guide the technology, but so far, very few people to apply this technology, Server-push is a what kind of things? Therefore, the name of Server-push, "server Push" means that Ajax have been used, it and Server-push is the opposite two things, Ajax is from the server side pull data, if you want to regularly update the data block displayed on the page, then the simplest way ...

Now almost any application, such as a website, a web app and a mobile app, needs a picture display function, which is very important for the picture function from the bottom up. Must have a forward-looking planning picture server, picture upload and download speed is of crucial importance, of course, this is not to say that it is to engage in a very NB architecture, at least with some scalability and stability. Although all kinds of architecture design, I am here to talk about some of my personal ideas. For the picture server IO is undoubtedly the most serious resource consumption, for web applications need to picture service ...

Designing 1 applications doesn't seem to be difficult, but it's not easy to achieve the optimal performance of the system. There are many choices in development tools, database design, application structure, query design, interface selection, and so on, depending on the specific application requirements and the skills of the development team. This article takes SQL Server as an example, discusses the application performance optimization techniques from the perspective of the background database, and gives some useful suggestions. 1 database design to achieve optimal performance in a good SQL Server scenario, the key is to have 1 ...

E-Mail is one of the most popular applications on the Internet. Like a postman distributing traditional mail, e-mail is asynchronous, meaning that people send and read emails at their convenience, without having to collaborate with others beforehand. Unlike traditional messages, e-mail is fast, easy to distribute, and inexpensive. 　　In addition, modern e-mail messages can contain hyperlinks, HTML-formatted text, images, sounds, and even video data. HTTP://WWW.ALIYUN.COM/ZIXUN/AGGREGATION/12 ...

As a powerful front-end framework, Dojo can make it easy for developers to meet these challenges. This article will use Dojo as a tool to describe in detail how to deal with the Ajax requests of different http://www.aliyun.com/zixun/aggregation/12445.html "> Business requirements. Before reading this article, you need to have the following knowledge: Ajax technology: Ajax English full name is: Asynchronous Javas ...

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Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest Cloud host technology lobby Wikipedia gives cloud computing the definition of cloud computing as a way of delivering it-related capabilities to users, Allows users to get the services they need over the Internet without understanding the technology that provides the services, the knowledge they have, and the capabilities of the device to operate. Cloud computing contains the internet ...

Intermediary transaction SEO diagnosis Taobao guest Cloud host technology Hall Google Anlytics Analysis code is asynchronous loading, generally will not affect the performance of the Web page, but the technical department of the Web page performance report always mentions the state of Ga.js as aborted, indicating that GA although asynchronous tracking, but in some cases to Web page performance and load time do have an impact. Does Google Analytics code affect Web page performance? is local hosting ga.js feasible? This article provides the basic idea of the local server hosting ga.js ...

As far as I am concerned, the so-called client and server development, in most cases, do not need to solve their own problems from the very bottom, more of the use of "architectural power." The function of language is to invoke all the existing software, that is, to write "Glue code" (So, if you want to write the OS, you don't have to look down). In this context, the main concern for programming languages is whether the abstract granularity it provides is suitable for its application scenario (glue). JavaScript in the client, has played its role, this need not ...

The client example uses the JQuery http://www.aliyun.com/zixun/aggregation/33906.html ">javascript Library." In this first article, we explore different reverse Ajax technologies, using downloadable examples to learn the Comet of using the streaming (streaming) method and the long polling (polling) method. Web Development has been great in the past few years ...