hadoop the definitive guide 2nd edition

... Edition. October 2010: Second Edition. Nutshell Handbook, the Nutshell Handbook logo, and the O’Reilly logo are registered trademarks ofO’Reilly Media, Inc. Hadoop: The Definitive Guide, the ... data together and having the tools to analyzeit, the Rackspace engineers were able to gain an understanding of the data that theyotherwise would never have had, and, furthermore, they were ... the output typesfor the map and the reduce functions, which are often the same, as they are in our case.If they are different, then the map output types can be set using the methodssetMapOutputKeyClass()...

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hadoop the definitive guide 3nd edition

Danh mục: Kỹ thuật lập trình

... of the highest found so far. The third piece of code runs the MapReduce job (see Example 2-5).Analyzing the Data with Hadoop | 23www.it-ebooks.info Hadoop: The Definitive Guide, Third Edition by ... methods control the output typesfor the map and the reduce functions, which are often the same, as they are in our case.If they are different, then the map output types can be set using the methodssetMapOutputKeyClass() ... chapters, but the important point for the present discussionis that there are two parts to the computation, the map and the reduce, and it’s the interface between the two where the “mixing” occurs....

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o'reilly - the apache definitive guide 2nd edition

Danh mục: An ninh - Bảo mật

... Scripts 79Apache: The Definitive Guide, Second Edition, eMatter Edition Copyright â 1999 Ben Laurie and Peter Laurie. All rights reserved. The tag <FORM> introduces the form; at the bottom, </FORM> ... access to the Internet.— The proxy might cache popular pages to save reaccessing them. 84 Chapter 4: Common Gateway Interface (CGI)Apache: The Definitive Guide, Second Edition, eMatter Edition Copyright ... bypass the rules of Class A, B, and C networks using subnetmasks. These allow us to further subdivide the network by using more of the bitsfor the network number and less for the host number. Their...

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Tài liệu Hadoop: The Definitive Guide docx

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... }'done The script loops through the compressed year files, first printing the year, and thenprocessing each file using awk. The awk script extracts two fields from the data: the airtemperature ... a missing value in the NCDC dataset) and whether the quality codeindicates that the reading is not suspect or erroneous. If the reading is OK, the value iscompared with the maximum value seen ... http://www.hadoopbook.com/. You will also find instructionsthere for obtaining the datasets that are used in examples throughout the book, as wellas further notes for running the programs in the book,...

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o'reilly - apache the definitive guide 3rd edition

Danh mục: An ninh - Bảo mật

... talk to each other over networks. The two protocols that give the suite its name are among the most important, but there are many others, and we shall meet some of them later. These protocols ... Whatever the name of the module, the LoadModule directive requires the exact filename. 2.6.2.1 LoadFile The LoadFile directive links in the named object files or libraries when the server ... required by the protocol, by convention there is a dividing line somewhere inside this number: to the left is the network number and to the right, the host number. Two machines on the same physical...

o'reilly - html & xhtml the definitive guide 5th edition

Danh mục: An ninh - Bảo mật

... reset the form or send its contents to the server. Users fill out the form at theirleisure, perhaps after reading the rest of the document, and click a special send button that makes the browsersend ... Header The document header describes the various properties of the document, including its title, position within the Web, and relationship with other documents. Most of the data contained within the ... to the user.3.7.1 The <head> Tag The <head> tag serves to encapsulate other header tags. Place it at the beginning of your document, just after the <html> tag and before the...

Hadoop: The Definitive Guide docx

Danh mục: Kỹ thuật lập trình

... 1111950 22 The output is the same as the Java program, so the next step is to run it using Hadoop itself. The hadoop command doesn’t support a Streaming option; instead, you specify the Streaming ... look at the details of this model in later chapters, but the important point for the present discussionis that there are two parts to the computation, the map and the reduce, and it’s the interface ... data together and having the tools to analyzeit, the Rackspace engineers were able to gain an understanding of the data that theyotherwise would never have had, and, furthermore, they were...

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Asterisk: The Definitive Guide, 3rd Edition ppt

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... Documentation lowers the barrier to entry andhelps people contemplate the possibilities.Produced with the generous support of O’Reilly Media, Asterisk: The Definitive Guide is the third edition of what ... Asterisk: The Definitive Guide, the images of starfish, and related trade dress aretrademarks of O’Reilly Media, Inc.Many of the designations used by manufacturers and sellers to distinguish their ... 663Table of Contents | xvii CHAPTER 1A Telephony RevolutionFirst they ignore you, then they laugh at you,then they fight you, then you win.—Mahatma GandhiWhen we first set out—nearly five years...

oreilly css the definitive guide 3rd edition nov 2006

Danh mục: Kỹ thuật lập trình

... into the overall struc-ture of the document. Every element in the document is either the parent or the childof another element, and it’s often both.An element is said to be the parent of another ... parent to anotherem element. Conversely, an element is the child of another element if it is directly beneath the other element. Thus, the anchorelement in Figure 2-14 is a child of the strong ... {font-weight: bold;}Note the presence of the tilde (~) in the selector. It is the key to selection based on the presence of a space-separated word within the attribute’s value. If you omit the tilde, you...

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o'reilly - xml and html -the definitive guide 4th edition

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... are those of the authors, not the Internet Service Provider. HTML & XHTML: The Definitive Guide page 534.4.2 The <acronym> Tag The <acronym> tag indicates that the enclosed ... them as footnotes or as a separate document entirely. The semantics of the <cite> tag go far beyond changing the appearance of the enclosed text; they enable the browser to present the ... but the practice is tricky; you cannot always predict how other browsers will react to nested comments. HTML & XHTML: The Definitive Guide page 55 The special HTML reference for the...

802.11 wireless networks the definitive guide second edition

Danh mục: Kỹ thuật lập trình

... rooted in developments of the early to mid-1990s. The alphabet soup of the first edition wasgruel compared to the mulligatawny of 2005.Matthew filled the gap between the book and contemporary ... introduces the acronyms usedthroughout the book. With 802.11, the introduction serves another important purpose. 802.11 issuperficially similar to Ethernet. Understanding the background of Ethernet ... transmission. (Among many, many other items, you have him to thank for the footnote on the gain of the Aricebo radio telescope!)As with so much in life, the devil of writing is in the details. Getting it...

asterisk the definitive guide, 4th edition

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... with each other, in the Asterisk community they delight ineach others’ skills. The significance of this cooperation cannot be underestimated.If the dream of Asterisk is to be realized, the community ... horriblesupport. Asterisk solves the first two problems; entrepreneurs and the communityare addressing the latter. The Asterisk CommunityOne of the compelling strengths of Asterisk is the passionate community ... write a foreword for the fourth edition of the book, lots of names were tossed around. We had already had Mark Spencer (authorof Asterisk) write it for the first two editions of the book. Next, John...

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The Definitive Guide to SOA: Oracle Service Bus, Second Edition potx

Danh mục: Cơ sở dữ liệu

... provider to the service clients. When clients usea service on the service bus, the service bus has the ability to perform multiple operations: itcan transform the data or the schema of the messages ... select the Java ➤ Build Path ➤ User Libraries path in the tree. Click the Add button and specify the name of the library. Your first library will be designedfor web service test clients, so name the ... Click the Next button.5. Select Development Mode and the BEA-supplied JDK radio buttons. Select the Sun SDKfrom the associated list box. The JDK must be version 1.5.0 or later. Click the Next...

The definitive guide to grails second edition - phần 1 pptx

Danh mục: Kỹ thuật lập trình

... the hasMany static property of domain classes. The hasMany property is assigned a Groovy map where the key is the relationship name and the value is the class, in this case Song, to which the ... create and fully manage the Song instances within the gTunes application. The Create Operation The magic doesn’t end here. By clicking the “New Song” link at the top of the screen, you can create ... . . . . . . . 206 The Definitive Guide to GrailsSecond Edition ■■■Graeme Rocher and Jeff Brown CHAPTER 1 ■ THE ESSENCE OF GRAILS3Figure 1-1. The Grails stackGrails, the PlatformWhen approaching...