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This article puts forward the intelligent firewall, this kind of firewall is smarter and smarter, overcomes the traditional firewall's "one tube to die, one puts on the chaos" condition, the revision above firewall's important assumption is "refuses to guarantee the security, releases also must guarantee the security". The new smart firewall changes the concept of "exit" to the concept of "gateway", and all packets passing through the "gateway" must be inspected by the firewall. In contrast to t

Big data, cloud computing, mobile commerce ... More and more It Hot words in the website, newspapers, magazines and other media, the tide of IT technology change is the challenge or opportunity? It executives from several insurers gathered at the "China Insurance It Application Summit Forum", which was jointly organised by the business Value magazine on July 6.How much impact does new

In modern communication networks, dense wavelength division multiplexing (DWDM) optical transmission networks make full use of the huge bandwidth resources of optical fiber to meet the explosive growth needs of various communication services. However, the transmission and exchange of high-quality data services still adopt multi-layer network architecture solutions such as IP over ATM and IP over SDH, which not only have a huge overhead, but must also undergo photoelectric conversion on the trans

Ajax Technology in PHP development of simple application, Ajax technology PHP development Ajax is undoubtedly one of the hottest web development technologies to be fired in 2005, and of course, this credit is inseparable from Google. I am just an ordinary developer, the use of Ajax is not particularly much, I will simply put my use of the experience to say a bit. (This article assumes that the user already

, found inside someone illegally tampering with data, but through audit equipment view, all database operations are business application system initiated, no illegal client program or IP address access, and the tampered tables and data in the normal business will also be modified, and audit rules are not configured, The rule cannot be configured for unexpected operations.It can be said that in the face of the management of the Demons helpless ... with the development of

On the technical post in recent years little thought quiet down seriously to read a book, serious analysis of some technical principles, this book let me at least find some how to the direction of technology and management direction of new cognition. Taobao Ali has been a lot of technical workers in heaven, the domestic and even the world a lot of smart people are concentrated in the inside; missed a lot of opportunities, then through this book to p

The first part goes into the Java1.java technology systemSun's officially defined Java technology System includes several components: Java Program Set Language Java virtual machines on a variety of hardware platforms class file format Java API Class Library Third-party Java class libraries JDK is the smallest environment to support Java program Development, Java programming lan

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

Blockchain technology Application _ Blockchain technology application How big is the market? The impact of blockchain technology has been growing rapidly since 2015. At the time, the arcane technology behind the digital currency was likely to change the financial system. Cut By the end of 2016, big companies such as

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