In February 2003, Google acquired one of the world's largest blogging services, Blogger.com's provider Pyra labs;2003 September, when Google acquired a new enterprise that made personalized and contextual search tools for kaltix;2003 years, October, Google bought the online advertising network company sprinks;2004 July, Google announced the acquisition of Picasa Digital photo management manufacturer in California; in October 2004, Google acquired the california-based Digital map service keyhole;
Although the second generation search engine is better than the first generation in terms of search speed and the extension of multiple language information, it also makes some explorations in natural language as query language. However, with the strong development of the Internet, the contradiction between the huge digital information on the Internet and the ability of people to obtain the necessary information is increasingly prominent. A report published by IDC in the second half of 2001 show
Prerequisites:
The cache technology is very important in website applications. It has a lot to do with reducing the server request pressure and adding blocks to the user's browsing speed,
Someone asked me about the browser cache principle in my "website optimization -- Let Your webpage fly" yesterday, and I was interested in studying cache technology.
This section describes the principle of browser caching.
The rapid growth of information, so that search engines become the preferred tool for people to find information, Google, Baidu, China search and other large search engines have been the topic of discussion. With the increasing value of the search market, more and more companies to develop their own search engine, Alibaba's business opportunities search, 8848 of shopping search and so on, naturally, search engine technology has become the focus of tec
With the rapid development of the Internet, the increase of web information, users to find information in the ocean, like a needle in the haystack, search engine technology to solve the problem (it can provide users with information retrieval services). At present, search engine technology is becoming the object of research and development of computer industry and academia. Search engine (Engine) is a
For public classes, this may not be the case at the moment, but it can often help me in the future when I want to solve the solution. The following is Ali's collation of the Open class
Absrtact: In the first Alibaba online summit, Alibaba middleware technology expert Wei Peng for everyone to bring the "Java container based multi-application deployment technology practice" to share, the main content of the
Questions
There has recently been a widespread concern about a problem because it reflects the general working conditions of the general technical staff. The programmer who writes business code every day, how to become technology Daniel, start to write technical code.https://www.zhihu.com/question/39430220/answer/90546883
Yiu Dong, landfills.
A product business development process must have many problems to solve, such as crash, deadlock, low performa
Introduction to the design and implementation of Hybrid technology article 3-Introduction to the implementation of hybrid technologyPreface
Next article: (before reading this article, read the first two articles)
Design and Implementation of Hybrid technology
Introduction to the design and implementation of Hybrid technology
According to the previous introduction
In the IT industry, the development of virtual technology is ready, but IT is difficult to succeed in Linux clusters. Donald Becker, one of the founders of Beowulf, says this is a pity because the system provides only one virtual option that doesn't make any sense.Becker said that the Linux cluster system should pay more attention to the development of virtual technology and high feasibility, and explained
Application and Research of AOP technology -- simple application of AOP and Application of aop technology -- aop
In order to better understand AOP practices and reflect the advantages of AOP, we will always compare OOP with AOP in the following sections. In the end, we will summarize the advantages of AOP compared with OOP, the disadvantages of AOP, and the general use cases of AOP.
1.1 ing between question
Article Introduction: CSS No picture technology, we are writing CSS style needs to form a concept, I do not have to die without the picture technology, to the actual project to weigh the pros and cons, according to the actual situation, flexible use of no picture technology to do some reasonable and effective performance optimization.
One, no picture
Large website optimization-memcache technology, optimization-memcache technology. Large website optimization-memcache technology, optimization-memcache technology large website optimization-memcache technology memory + cache memory cache memcache introduction memcache is a d
Application and Research of AOP technology -- OOP and aop technology application -- oop1. Development of Software Programming Technology
Software Programming Technology and programming language are inseparable. Over the past few decades, programming languages have continuously increased support for abstract mechanisms,
Obfuscation is currently dominant in DOTNET protection. Name obfuscation is the most basic obfuscation protection technology.The DOTNET encryption and protection tool maxtocode has also added obfuscation protection-name obfuscation in recent updates.
Let's talk about name obfuscation technology,What is the significance of name confusion?In my opinion, it has only one meaning, replacing the ideographic name with a meaningless name.If we talk about ot
This article mainly gives you a detailed introduction to the development process of the soft routing technology. What exactly is the soft routing? What is its main application field? What are the defects? The following article will give you a detailed answer.
With the development of China's routing industry, the application of soft routing technology is also more extensive. Here we mainly introduce the deve
Ping ' an technology mobile development team Technology Weekly (Phase I) industry news 1) popular iOS network communication Library afnetworking exposure SSL VulnerabilityAfnetworking is a famous open source network library that allows developers to add network functionality to iOS and OS X programs. However, the library does not check whether the SSL certificate is issued to a legitimate domain name. This
Analysis of Ajax technology composition and core principles, and core principles of ajax technology
This article mainly analyzes the composition principles of Ajax technology for your reference. The specific content is as follows:
1. AjaxFeatures:Partial refresh to improve user experience and load data from server vendors
2. Technical composition of AJaxIt is not
Talking about the implementation of Ajax technology and the refreshing of pages; talking about the ajax technology page
Ajax (ajax Development)
AJAX is "Asynchronous Javascript And XML" (Asynchronous JavaScript And XML), which is a Web page development technology used to create interactive web applications.
AJAX = Asynchronous JavaScript and XML (subset of standa
With the development of communication technology, the relationship between transmission, reuse and exchange is getting closer and closer, so that they are gradually inseparable. In recent years, people have used the term "Transfer Mode" to describe the transmission, reuse, and exchange in the communication network. The transfer mode can be divided into synchronous transfer mode ATM) and asynchronous transfer mode ATM.
ATM uses space or time-based Fixe
blown, each group of 6, A total of 24 4/3mm bundle type bundle tubes in one 40/33-mm Silicon core tube air blow 5 10/8 microtube units.
The advantages of micro-tube units include:
1. simple and flexible Laying Methods:
If the protection tube is a silicon core tube, a certain number of micro-tubes can be blown into the laid protection tube according to the mold Shape Based on the diameter of the protection tube. If the protection pipe is another pipe, such as a PE pipe, grid pipe, or PVC pipe
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