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Introduction in the current era of the Web attack has been automated, the administrator of the Web site security can not be a bit lax. On the April 9, 2011, the Barracuda Web application firewall, which was placed in "passive mode" (which only monitors access to the site), detailed the entire process of hacking into a company's marketing database. Analysis shows that the attack is most likely to be those with no apparent criminal intent of the gray-hat hackers. This article will specifically explore how data leaks occur, what we have received, and how the Barracuda Web application firewall will prevent ongoing ...

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As a concept, regular expressions are not unique to Python. However, the regular expression in Python still has some minor differences in actual use. This article is part of a series of articles about Python regular expressions. In the first article in this series, we will focus on how to use regular expressions in Python and highlight some of the unique features in Python. We'll cover some of the ways Python searches and locates strings. Then we talk about how to use groupings to handle me ...

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Knowing how the MapReduce program works, the next step is to implement it through code. We need three things: a map function, a reduce function, and some code to run the job. The map function is represented by the Mapper interface implementation, which declares a map () method. 　　Example 2-3 shows our map function implementation. Example 2-3. Find the highest temperature of the mapper import java.io.IOException; &http ...

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Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest Cloud host Technology Hall query processing and Word segmentation technology with the rise of the search economy, People are beginning to pay more attention to the performance, technology and daily traffic of the world's major search engines. As an enterprise, will be based on the popularity of search engines and daily traffic to choose whether to put ads and so on, as ordinary netizens, according to search engine performance and technology to choose their favorite ...