apache the definitive guide third 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

... If the currently logged in user has purchased any songs, then the value of the parameter will be the number of songs they have purchased; otherwise, the value of the ■ Note Note the use of the ... values from the messages files in the grails-app/ i18n/ directory For the simplest case, only the code attribute must be specified when calling the message tag The code attribute tells the message ... the previous code The Elvis operator is a shorthand version of Java ternary operator where the return value for the true condition is the same as the expression being evaluated For example, 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

... 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 ... the decision to allow customization via a parameter? The idea here is that the user of the plugin can very easily customize the layout of the blog through URL mappings For example, consider the ... adding the following set-ting to Config.groovy will do the trick: // configuration for the blog blog.title="The gTunes Weblog" Run the gTunes application using the run-app command, and then

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

... it When the user requests the original URL,Apache will send a redirection message back to the browser, which will then request thenew URL The address appearing in the address bar of the user’s ... that themakers of these third-party distributions thought that their decisions were the right onesfor some reason, so let’s give them the benefit of the doubt.por-We’ll consider installing Apache ... .*\.gif$ The intent of that pattern is to match any string ending in gif The $ insists that it is at the end of the string, and the \ before the makes that a literal character ratherthan the wildcard

Ngày tải lên: 07/04/2017, 16:35

... Thus, the length ofthe edge of the cube isV20. To find the diagonal of a rectangle, you must know EITHER the length and the width ORone dimension and the proportion of one to the other If the rectangle ... determine the length of the third side? Use the Pythagorean Theorem, which states that the sum of the square of the two legs of a right triangle (ti' + b2) is equal to the square of the hypotenuse ... for the length of a side of Cube A and solve accordingly 15 3v2:The area of the frame and the area of the picture sum to the total area of the image, which is 62, or 36 Therefore, the area of the

Ngày tải lên: 24/07/2013, 11:02

... semantically, the program that produces the online version can determine which occurrences of the word "book" in the text are actually references to the Book element. The program can then ... complementary to the body text, and finally, setting the headers off with a few carriage returns fore and aft. The format such a writer imposes on the words on the screen imparts structure to the document ... from exactly the same source document using the presentational techniques best suited to both the content of the document and the presentation medium. This versatility also frees the author

Ngày tải lên: 21/01/2014, 06:20

... indicates that the root element, which is the first element in the hierarchical structure of the document, will be <book> and that the DTD used will be the one identified by the public identifier ... ]> These declarations form what is known as the internal subset The declarations stored in the file referenced by the public or system identifier in the DOCTYPE declaration is called the external ... declarations form what is known as the internal subset The declarations stored in the file referenced by the public or system identifier in the DOCTYPE declaration is called the external subset, which

Ngày tải lên: 21/01/2014, 06:20

... like an out of context start tag In fact, they're really the same error The problem is never caused by the missing end tag per se, rather it's caused by the fact that something following it is ... parser, consult the documentation that came with it 3.1.1 Using nsgmls The nsgmls command from SP is a validating SGML parser The options used in the example below suppress the normal output ... associated with the calstblx.mod module can be ignored The CALS Table Model is customized by redefining parameter entities It's part of the design of the DTD fragment Trang 5(3) Finally, if there are

Ngày tải lên: 21/01/2014, 06:20

... parses them as if they were one document 4.5 .2 Use the Catalogs The other way to fix this is with a little catalog... driver file, see plain.dsl in the docbook/ print directory in the ... to) the areas on the page(s) In most cases, it's sufficient to think of the make expressions as constructing the flow objects, but they really only specify the characteristics of the ... text, but other localization files are also provided At the time of this writing, the stylesheets support Dutch,... you can place content The content of the flow objects is then "poured

Ngày tải lên: 21/01/2014, 06:20

... the alternate version of this book that shows all of the element content models in terms of the parameter entities which define them, rather than the "flattened" versions shown here The. ... DocBook DTD The modules are: docbook.dtd The main driver file. This module declares and references the other top-level modules. dbhier.mod The hierarchy. This module declares the elements ... %keycap.module;), but using the testing procedure described in Section 5.7 ," we discovered that these elements are used in other content models Because they are used in other content modules, they cannot

Ngày tải lên: 21/01/2014, 06:20

... likable. 2. Inbound is not enough. Each of the tactics described in this guide can work on their own. But, for a business to benefit fully from them, they should be combined with outbound marketing. ... Customers? Media? All of the above? Once you’ve decided on the targets, flesh out the defining characteristics of each group. If you’ve already read Marketo's The Definitive Guide to Lead Nurturing, ... addition to the social share buttons that appear at the top, we also prompt our readers to share by having a share box pop up as they are reading the blog, reminding them to share

Ngày tải lên: 18/02/2014, 07:20

... 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 ... one is the Win32 Apache) . Download it into, say, c:\temp, and then run it from the Win32 Start menu's Run option. The executable will create an Apache directory, C:\Program Files \Apache, ... where they had evidently been written by someone who was not a native English speaker, we rearranged the syntax a little. As they stand, they save the reader having to break off and go to the Apache...

Ngày tải lên: 25/03/2014, 10:39

... reset the form or send its contents to the server. Users fill out the form at their leisure, perhaps after reading the rest of the document, and click a special send button that makes the browser send ... 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...

Ngày tải lên: 25/03/2014, 10:43