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This newspaper trainee reporter She March 15, 2015 years Spring Festival is finally the curtain. In this year's population migration, 12306 remains the focus of attention. This time the criticism is not the collapse of the site, but the site's verification code. "Day against night defense, cattle difficult to defend", in order to prevent the ox to reverse the ticket, 12306 constantly update the form of verification code, the latest version of the verification code display by netizens jokingly dubbed as "the most wonderful Thing in history": Users need to be prompted, from 8 pictures found in the tip of the relevant items mentioned, such as greeting cards, statues, shells, glass bottles, rolling pin, Hot air balloon ...

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 ...

Security is the key to the healthy development of mobile internet in cloud computing mode. At present, in the 3G network has become mature, mobile internet services have been widely popularized, more and more network and mobile security problems began to appear. Especially with the development of 3g/lte and the introduction of cloud computing Application model, the security problem of broadband mobile Internet becomes more complicated, which brings unprecedented challenge to the security of mobile Internet. Cloud computing virtualization, multi-tenant and dynamic introduced a series of new security issues, mainly in data security, privacy protection, content security, operating environment security ...

The author describes how to use OpenCV and similar tools for digital video analysis and methods to extend such analysis using cluster and distributed system design. In previous installments, a coprocessor designed specifically for video analysis and new OPENVX hardware acceleration was discussed, which can be applied to the computer Vision (CV) sample provided in this article. This new data-centric CV and video analysis technology requires system designers to rethink application software and system design to meet demanding requirements such as large, public facilities and infrastructure, and a more entertaining ...

Sun Microsystems recently released its innovative, Open-source cloud computing security tool and announced its support for the latest security specification for the Cloud Computing Security Alliance (Cloud). 　　The move is part of Sun's strategy to help customers and partners create an open, interoperable public cloud and private cloud. Sun is committed to providing the best technology and practice to help users escort key data in the enterprise and cloud. Sun's cloud computing security Structured module ...

CCTV recently disclosed the risk of two-dimensional code, and some people on the concept of two-dimensional code and the risk of two-dimensional code is still ignorant, this article will share with you some knowledge of two-dimensional code and improve the two-dimensional code payment security skills, hope to be able to help you to improve the two-dimensional code payment security, need to understand the two concepts: 1, 　　What's in the two-dimensional code? 　　2. Why is it possible to be poisoned by a sweep? First of all, to answer the first question, now the two-dimensional code may have such a number of data: Long text, short version, Web site, business card, location information, WI ...

Recently there is news that CUP is the layout of two-dimensional code payment. It is reported that the two-dimensional code payment system has been developed under the Bank of China, some areas have been filed with the People's Bank of China, as the central bank has yet to be clear on the two-dimensional code payment attitude has not yet been promoted in the Mainland, but has been with the issuing bank, Organizations to discuss future cooperation and promotion issues; outside China, UnionPay has already started through the local co-payment agencies to promote. iDoNews column featured on July 7 (WeChat iLoveDonews) Although CUP regards the news, it has already denied ...

Do you know what a CAPTCHA is? 　　"Verification Code" (CAPTCHA) is not what users have always seen on different sites of those illegible letter combination pronoun, the verification code is commonly known as "automatic distinguish between computer and human Turing test", so as the name suggests, its role is to distinguish between computer and human. In the CAPTCHA test, the computer that is the server will automatically generate a problem for the user to answer. This problem can be generated and judged by the computer, but only human beings can solve ...

December 12, the world's first large-scale conference to explore the industry Internet, 2014 CVW. The industry Internet conference was held in Beijing and was synchronized through the big screen of New York Times Square. The conference was made by the Asia Letter Group, the cloud base and the Chuang-Zhuang economic and Technological Development zone jointly hosted more than 5,000 global it and traditional industry leaders and elites who are concerned about the development of Internet and traditional industries, and explored the evolution of "Internet access to traditional industries", "traditional industry internet" and the technological model and business innovation of industrial Internet. In the afternoon of the "Internet Security @ Internet" Theme Forum, ...

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host Technology Hall many times we do the purpose of website diagnosis, Is that we have a series of problems in website optimization. Because SEO is a comprehensive work, we need to know a lot of SEO technical details, but also need unremitting efforts. So in the presence of anomalies, we need to conduct a full range of internal and external sites ...