Parse Js

Design and construction of distributed JS Parsing system The tong of Beijing Jiaotong University mainly includes two research directions: firstly, it is effective to extract and parse JavaScript in Web page, and then combine with Hadoop distributed computing technology to analyze the existing task scheduling algorithm and Based on the actual situation of this system, the task scheduling algorithm in distributed computing environment is designed, and the JavaScript parsing task scheduling is reasonable, which realizes the efficient parsing of the JavaScript fragment contained in the page. Through the Javas ...

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Logminer is an actual, useful analysis tool that Oracle has provided since 8i, which makes it easy to obtain specific content in Oracle Redo log files (archived log files), Logminer analysis tools are actually made up of a set of PL 　　SQL package and a number of dynamic views that can be used to analyze online logs and archive logs to obtain a database of past detailed, specific operations, very useful. 　　Why do you use Logminer? Mainly for the following reasons: When the database occurs ...

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We know that the search engine to include our site first need to go through the spider this, not conducive to spider crawling site is relatively not conducive to optimization, this blog will tell you what the practice is not conducive to spiders crawling, how we should avoid these spider traps. Firewall website Seoer analysis as follows: 1. Jump except 301 turn, search engine is more sensitive to other forms of jump, such as 302 jump, JavaScript jump, http://www.aliyun.com/zixun/aggregation/...

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This article is my second time reading Hadoop 0.20.2 notes, encountered many problems in the reading process, and ultimately through a variety of ways to solve most of the. 　　Hadoop the whole system is well designed, the source code is worth learning distributed students read, will be all notes one by one post, hope to facilitate reading Hadoop source code, less detours. 1 serialization core Technology The objectwritable in 0.20.2 version Hadoop supports the following types of data format serialization: Data type examples say ...