Sort Unique

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MapReduce: Simple data processing on Super large cluster

MapReduce: Simple data processing on large cluster

Array function library: Array_multisort

Array_multisort (PHP4 >= 4.0b4) array_multisort---&http://www.aliyun.com/zixun/aggregation/37954.html "> nbsp; Array syntax for sorting composite or multiple dimensions: bool Array_multisort (Array ar1 [, mixed arg [, mixed ...).

Focus on user tracking and analysis-cross-screen tracking

With the rapid growth of mobile internet, in the multi-screen era of screen tracking has become a hot topic in the analysis of the Web site, but also become a site analyst can not ignore the problem. One of the major changes in the Google Analytics upgrade to Universal Analytics is support for cross screen, cross device visitor tracking. The commercial-level Web analytics tools of Adobe Omniture and Webtrekk are also starting to support the focus analysis between multiple screens. Cross-screen analysis seems to have become the standard of web analytics tools ...

15 minutes to introduce the REDIS data structure

Here is a translation of the Redis Official document "A fifteen minute introduction to Redis data Types", as the title says, The purpose of this article is to allow a beginner to have an understanding of the Redis data structure through 15 minutes of simple learning. Redis is a kind of "key/value" type data distributed NoSQL database system, characterized by high-performance, persistent storage, to adapt to high concurrent application scenarios. It started late, developed rapidly, has been many ...

Lin interview: On Internet business management and survival

The intermediary transaction SEO diagnoses Taobao guest Cloud host technology Hall Wang Wenfeng Introduction: In Taobao 09-10 Taobao is responsible for searching, in E-commerce and search has a lot of actual combat experience, especially Taobao marketing has its own unique insights. 10 is now responsible for the entire search department in the well-known mall, to understand the entire business of the company.   This interview question mainly involves the Internet enterprise's one management and the Internet enterprise in the survival involves the team, the staff and so on. Interview records are as follows: (this text version has omitted, not complete ...)

Oracle Basic Query filtering sort instances

Basic query: View plain-Query All employees ' information select * from EMP;   --Set the line wide set Linesize 120; --set width of four digits col empno&nbs ...

Detailed discuz!7.0 data invocation function

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host technology Hall discuz!7.0 is sing Chuang want (Comsenz) Company in December 2008 released a forum BBS construction site products. discuz! 7.0 enhanced the Forum's data invocation function, not only retained the previous call to the basic forum data, but also increased the script module calls ...

A Concise history of search engine notes

Intermediary transaction SEO diagnosis Taobao guest Cloud host technology Hall search engine history notes #e# 2006 Low, received a friend commissioned to help tidy up the development of the search engine history, so the Spring Festival spent a little time to sort out a rough history. Consider yourself a little note about internet history. 1, the development history of the search engine 1 A brief history of search history The origin of the "Aceh" web search engine can be traced back to 1991 years. The first ...

Twitter announces acquisition of large data analysis company Luckysort

Sina Science and technology news Beijing time of May 14, according to the U.S. Science and Technology blog TechCrunch reported, Twitter Monday announced the acquisition of large data analysis company Lucky Sort, and will close its services in the next few months. Lucky sort is located in Oregon State Portland, the main product is the Visual Navigation Engine topic Watch, which helps users master the patterns of real-time data flow. Topic Watch is lucky sort's first product that enables users to 、... to social media, government documents

MapReduce: The free lunch isn't over yet?

Microsoft's famous C + + master Herb Sutter wrote a heavyweight article in early 2005: "The free lunch is over:a fundamental Turn toward concurrency in Software", Another major change in software development after OO is predicted-parallel computing. The era of software development under Moore's Law has a very interesting phenomenon: "Andy giveth, and Bill ...

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