hadoop the definitive guide 2nd edition

... Trang 2The Definitive Guide Trang 3The Definitive Guide to Grails, Second EditionCopyright © 2009 by Graeme Rocher, Jeff Brown All rights ... Unlike the first edition, coverage of Groovy is saved for the appendix If you have no experience using Groovy, then it is recom-mended that you read the appendix first as the chapters themselves ... relieves the developer of the responsibility of obtaining a reference to the data source But don’t get too wrapped up in these concepts for the moment, as their usage will become clear later in the

Ngày tải lên: 13/08/2014, 08:21

... validation fails; otherwise it should return true The first argument passed to the closure is the value of the property to be validated The second argument passed to the closure is the object being ... Album The value of the hasMany property needs to be a Map The keys in the map represent the names of collection properties that will be added to the domain class, and the values associ-ated with the ... 3-6. Constraining the Password Property in the User Domain Class The validator in Listing 3-6 will fail if the password is equal to the firstName property of the User class The validator closure

Ngày tải lên: 13/08/2014, 08:21

... Here the validator again uses the getUser() method of the LoginCommand to compare the password of the actual User instance with the value of the password property held by the LoginCommand If the ... tags besides the fact that they are provided by these libraries Fundamentally, they can be used the same way as any other tag For example, you can use the <g:link> tag like the built-in ... you’ll notice that the code attempts to persist the User by calling the save() method If the attempt is successful, the User is redirected back to the StoreController: Testing the Registration

Ngày tải lên: 13/08/2014, 08:21

... the basis for the template, and then cut-and-paste the code from the layout so that the template... you can use the update attribute to specify that you want the contents of the ... rename the tag references to , and then add the update attribute (mentioned in the previous section about the tag) to the tag In this case, 175 176 CHAPTER 8 ■ AJAX the update ... (with the text “Show the time!”) to the page, which when clicked will execute an asynchronous request to the showTime action of the StoreController The update attribute of the

Ngày tải lên: 13/08/2014, 08:21

... triggered, the transition action will halt the transition to the loadRecommendations state, returning the user to the enterShipping state. The view will then render any errors that occurred so the ... purchase, then we show some of the other... are, there is a problem with the code in the flow prior to the showConfirmation view state As for the rest of the code in Listing 9-4 6, ... partnership with the transition action to ensure that the Address is val- idated before the user continues to the next part of the flow. You can see the transition action’s code in the following

Ngày tải lên: 13/08/2014, 08:21

... injected for the purpose of testing the controller The convention used for the name of the property is basically the property name represen-tation of the class name In other words, it is the class ... already exist in the Session, and then merges the state of the passed instance into the loaded persistent one Once this is done, the merge method then returns a new instance containing the merged state ... over time This breaks the contract defined by the hashCode method, which states that the hashCode implementation must return the same integer for the lifetime of the object The recom-recommended

Ngày tải lên: 13/08/2014, 08:21

... completed the implementation of the authenticate method Listing 1 4-2 4 shows the full code listing from the authenticate method Listing 1 4-2 4 The authenticate Method def authenticate(authToken)... ... need to show only the first five posts; therefore, you can use the max parameter to the static list method of the Post class to specify that. Listing 13-43 shows the full code for the PostController. ... into the blog... name 3 For the “First Name” field, enter the text alert ('hello') 4 Click the “Register” button Figure 1 4-1 shows the form populated with the data from these steps

Ngày tải lên: 13/08/2014, 08:21

... handle other types beyond the preconfigured ones, you need to add a new entry into the grails.mime.types map where the key is the file extension of the format typically used and the value is the ... errors, then you can simply send the Album back to the caller of the REST API with the changes However, if there are validation errors, you can send an error response using the errors property of the ... and go the URI /album, Grails will detect the HTTP GET request and map to the show action of the AlbumController If you then created an HTML form that used the HTTP POST method to submit, the update

Ngày tải lên: 13/08/2014, 08:21

... possible in any other dynamic lan- guage on the JVM. The remainder of the code simply obtains a FileChannel instance and then calls the transferTo method to transfer the file to the response OutputStream. ... see from the code in Listing 16-32, the subscribe action reuses the _subscribe.gsp template to render an Ajax response to the client. The logic in the SubscriptionTagLib deals with the rest. ... specify the column to store the identifier of the one side, which in this case is the id property of the Artist Conversely, the column argument is used to specify the. .. artist

Ngày tải lên: 13/08/2014, 08:21

... (excuse the pun) built-in, including but not ited to the following: lim-• The MarkupBuilder for constructing, typically XML, markup • The DOMBuilder for constructing W3C DOM trees • The AntBuilder ... “anonymous” closure to the authors() method of the MarkupBuilder instance, but consider the possibility of assigning this closure to a variable and then passing as an argument the same closure to ... XML and another that outputs the same data as a PDF document or renders it in a GUI Unlike the XML produced in Listing A-24, the builder code in Listing A-23 is pure Groovy code and can therefore

Ngày tải lên: 13/08/2014, 08:21

... occur in the middle of the night? Is it accompanied by vomiting? Have the patient’s eating habits been affected by the nausea? Only with these data can the clinician decide to lower or split the dose, ... whether or not to change medications because of side effects In addition to the severity of the side effect, the clinician should take into account: N the patient’s therapeutic response to the ... re-diagnosing the patient, the clinician can remedy the hypomanic response by: N decreasing the dosage of the antidepressant N discontinuing the antidepressant N adding a mood stabilizer to the current

Ngày tải lên: 20/01/2020, 21:34

... intrinsic to the positive therapeutic mental health benefits of the medication. In the past, there was an assumption that the side effects were intrinsically related to the effect of the medication, ... that they may become addicted to the simple pill they are being offered They can be concerned about what their family, spouse or friends will think of them for taking a psychiatric medication They ... feelings about whether they wish to have a mental health diagnosis made and recorded in their chart Even if a correct assessment is made, they may have mixed feelings about whether or not they will allow

Ngày tải lên: 21/01/2020, 22:42

... displays the relationship between the type of polygon and the sum of its interior angles Another way to find the sum of the interior angles in a polygon is to divide the polygon into triangles The ... perimeter of that yard (the sum of all the sides) The perimeter of the pentagon to the left is: + + + + = 31 Polygons and Area The area of a polygon refers to the space inside the polygon Area is ... angle) to the base In this triangle, the base is and the height (perpendicular to the base) is The area = (6 x 8) + = 48 + = 24 In this triangle, the base is 12, but the height is not shown Neither

Ngày tải lên: 24/07/2013, 11:02

... other cultures through their music As we can through their art We can understand other cultures through their music aswe can through their art The Spanish-speaking population is increasing, the ... if these sentences are run -on sentences There are six run -on sentences In these six, underline the first sentence anddouble underline the second sentence in the run-on sentences below. 1. The ... Essay section Identify all the subjects and verbs 2. Read the essays in the Model Essay section Identify the coordinate and subordinate conjunctions 3. Read the essays in the Model Essay section

Ngày tải lên: 14/12/2013, 21:15

... from other cultures, students learn about other people around the world they learn about what is important in other societies.They learn about similarities and differences between cultures. They ... 12. SPELLING 13. Trang 6Practice 12Proof the following essay Use the Proofing Checklist as a guide Use the concept map to help you identify the content. The type and number of errors are identified ... caves drew on the walls and made music with drums, people today use art and music to explore their emotions Students also explore their likes and dislikes when they choose the music they want to

Ngày tải lên: 14/12/2013, 21:15

... Edition. October 2010: Second Edition. Nutshell Handbook, the Nutshell Handbook logo, and the O’Reilly logo are registered trademarks of O’Reilly Media, Inc. Hadoop: The Definitive Guide, the ... data together and having the tools to analyze it, the Rackspace engineers were able to gain an understanding of the data that they otherwise would never have had, and, furthermore, they were ... the output types for 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 methods setMapOutputKeyClass()...

Ngày tải lên: 28/04/2014, 16:04

... Scripts 79 Apache: 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 subnet masks. These allow us to further subdivide the network by using more of the bits for the network number and less for the host number. Their...

Ngày tải lên: 25/03/2014, 10:52

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

Ngày tải lên: 12/02/2014, 12:20

... 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...

Ngày tải lên: 25/03/2014, 10:39