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PageRank algorithm PageRank algorithm is Google once Shong "leaning against the Sky Sword", The algorithm by Larry Page and http://www.aliyun.com/zixun/aggregation/16959.html "> Sergey Brin invented at Stanford University, the paper download: The PageRank citation ranking:bringing order to the ...

The establishment of enterprise security building Open source SIEM platform, SIEM (security information and event management), as the name suggests is for security information and event management system for most businesses is not cheap security system, this article combined with the author's experience describes how to use open source software Analyze data offline and use algorithms to mine unknown attacks. Recalling the system architecture to WEB server log, for example, through logstash WEB server to collect query log, near reality ...

Instagram 5 Legendary engineers behind the technical Revelation (PPT) published in 2013-03-28 22:13| Times Read | SOURCE csdn| 0 Reviews | Author Guo Shemei Postgresqlredismemcachedinstagram Open Source AWS Summary: Instagram, a photo-sharing app developer based on iOS and Android, with a unique operating philosophy, with only 5 engineers, Team A total of 13 people in the case of success to their own 7 ....

First, the association Spark and similar, Spark Streaming can also use maven repository. To write your own Spark Streaming program, you need to import the following dependencies into your SBT or Maven project org.apache.spark spark-streaming_2.10 1.2 In order to obtain from sources not provided in the Spark core API, such as Kafka, Flume and Kinesis Data, we need to add the relevant module spar ...

Developing spark applications with Scala language [goto: Dong's blog http://www.dongxicheng.org] Spark kernel is developed by Scala, so it is natural to develop spark applications using Scala. 　　If you are unfamiliar with the Scala language, you can read Web tutorials a Scala Tutorial for Java programmers or related Scala books to learn. This article will introduce ...

CodePlex is a Microsoft-created open source Web site where all of the programs released in this site can be downloaded from the source code, which has now become a peripheral component of Microsoft software or an extended distribution pipeline. September 10, 2009, the CodePlex Open Source Foundation (CodePlex Foundation), which uses the forum format, allows the open source community and the software development community to work together to promote the common goal of participating in the open source community project. Outside the existing open source organization ...

A Sparkdemo with code detailed, simple Nginx log statistics. Code Detail # #载入依赖包 from Pyspark import Sparkcontext # #生成并初始化一个Spark任务 sc = sparkcontext (' local ', ' Simple App ') Sparkcontext ($ 2) $: Specify the mode of work ...

1, Requirements In order to facilitate the display of user avatars on the front of the project, the avatar needs to be processed as a circle and the non-circular area as transparent. In fact, the front-end can be displayed at the time of processing, but the front-end with WebGL, temporarily uncertain, so the image from the back-end one-time processing. So, we try to use the Linux tool Convert to complete, however, there is no solution, the subsequent decision to use Python + OpenCV. 2, to achieve good code do not need to explain, look at the code directly, O (∩ _ ∩) O. #coding: utf8 impo ...