the definitive guide to grails pdf

... gTunes Upon completion, the command will have created the gTunes Grails application and the necessary directory structure. The next step is to navigate to the newly created application in the command window ... class. The validator closure should return false if validation fails; otherwise it should return true. The first argument passed to the closure is the value of the property to be validated. The ... in the example with the save() method, except that the validate() method doesn’t attempt to save the instance to the database. If validation fails, the application might want to make changes to...

Ngày tải lên: 18/02/2014, 05:20

... response to display to the user. For example, an interface form might allow the user to input information about an employee and click a button to process the information. Clicking the button would ... customers’ accounts to be transient— in other words, to only exist in the system’s memory. If the power goes off, then you’ve got the problem of explaining to your customers that the system can’t ... to be persistent, and you can then use the object and update it without having to explicitly store it again. The mapper generates the SQL as required to communicate with the database, but the...

Ngày tải lên: 18/03/2014, 23:20

... notice the sharing buttons or be compelled to use them. Here is an example of traditional, passive social sharing: You see the social shares up top, but that is the only place they appear to the ... to drive traffic to their website. They also created content such as whitepapers and webinars to convert traffic into leads. The best marketers realized that their leads were often sent too ... build our editorial calendar around monthly themes and then put together the content pieces to support that theme, including, but not limited to, SlideShare decks, white papers, blog posts,...

Ngày tải lên: 18/02/2014, 07:20

... when the user presses the Tab key. The effect of the tabindex values in the listing is that, as the Tab key is pressed, the focus shifts from the first input element to the third and then to the ... case, the word apples). Together, the tags and the content form the code element, as shown in Figure 3-1. Figure 3-1. The anatomy of an HTML element Elements are the way you tell the browser ... added the attribute name to the element. The input element provides a means for the user to enter data into an HTML form (which I describe in Chapter 12). Adding the disabled attribute stops the...

Ngày tải lên: 17/02/2014, 23:20

... Generally, though, the larger publishers and the technology providers that can hand on the royalty payments to their customers are able to support MP4 H.264/AAC. The others can offer only Ogg Theora or ... or the <audio> is set to start playback automatically, for which it requires an @autoplay attribute. @autoplay To make the audio autostart, you need to add an attribute called @autoplay. ... Listings together on a single web page, added controls (that’s the transport bar at the bottom; we’ll get to this later) and fixed the width to 300px to make a straight comparison between all the...

Ngày tải lên: 17/02/2014, 23:20

... feel equipped to cope, they should refer the individual to a relevant specialist. If a coach does want to work in one of the above areas, then I would encourage them to go and get the relevant ... on the thoughts of the coach – this reduces the ability of the coachee to deepen their own learning in the conversation. ➡ The coach can experience significant pressure within the conversation to ... contribution to the process of helping people to experience life the way they want to experience it. For some people coaching can literally change their lives for the better. With the support...

Ngày tải lên: 21/02/2014, 16:20

... image into the text and do other special formatting you will need to change the body field’s text format to Full HTML. Next, in the nifty vertical tabs at the bottom of the form, go to Menu ... Provide a title (the text of the link), a description (the tool-tip people will see if they hover their mouse over it), and a “heavy” (positive) weight to put it toward the right side of the selected ... who may not know the source of the content they’re trying to edit. After you have made your edits and saved the block, view, or menu, the contextual link then returns you to the original screen....

Ngày tải lên: 06/03/2014, 17:20

... can refer to these same variables as obj1.x and obj1.y. As you can see, the class is called by passing the values 7 and 8 to it. These values are then assigned to x and y within the class initializer ... separately from the others. This provides the ability to jump around the book if you’d like, or read it from start to finish. Some chapters contain references to other parts of the book and this ... Operators The operators that are used by Python are very similar to those used in other languages straightforward and easy to use. As with any other language, you have your normal operators...

Ngày tải lên: 06/03/2014, 17:20

... both understand, they must use the same protocol. The WebSocket constructor enables you to define the protocol or protocols that your client can use to communicate with a server. The server in ... that goes over the wire in each direction: from the client to the server, and the server to client, regardless of whether the server has actual data or information to deliver to the client. With ... protocols and use protocol negotiation to select which protocol to use with a particular server. Listing 2-2 shows the WebSocket constructor with support for a hypothetical protocol, “myProtocol”: Listing...

Ngày tải lên: 08/03/2014, 02:21

... to tap into global factories and supply chains, and even the leanest startups can access all the computing resources they need from the cloud. The ability to tap into the cloud is no longer ... service experts to journalists looking to write on-topic stories, sends emails three times a day! According to The Rebel’s Guide to Email Marketing, some HARO users even set their alarms for ... on the part of both the company and the customer. • There’s no place for a subscriber to drop the ball, which can happen when she’s required to “conrm” her opt-in. • Most quickly leads to...

Ngày tải lên: 18/03/2014, 13:20

... labels to which code jumps at runtime. To use one, you index into the array and select the label. The code to do this might resemble the following: goto *array[i]; You cannot use computed gotos to ... Project, which is directed by the FSF. The FSF holds the copyright on the compilers, and licenses the compilers under the terms of the GPL. Either individuals or the FSF hold VonHagen_5858 FRONT.fm ... equivalent to the statement signed char c; The converse applies if you pass gcc the -funsigned-char option. The purpose of these flags (and their negative forms) is to allow code that assumes the default...

Ngày tải lên: 19/03/2014, 14:14

... Next button. 6. In the Customize Environment and Service Settings page, ensure the No radio button is selected and click the Next button. 7. Set the domain name to osb30_book and click the Create ... 2-4. Naming the new library Next, click the Add JARs button. You need to navigate into your C:\Oracle\osb30\wlserver_ 10.0\server\lib directory to find the JAR files you need. Select the following ... contains the client stubs necessary for the client applications to call the EJB application. If you make a change to any of the APIs of the EJB application, you need to recompile and deploy the EJB...

Ngày tải lên: 22/03/2014, 10:20

... at the aforementioned GoTo.com. The ads could be placed according to the context of the user’s search, combined with an automated auction process to determine the placement of the ad on the ... feature or tool, even if some of the details have changed, so you should be able to use these help features to fill in the gaps when there are obvious changes not covered by the book. The AdWords ... case. To confirm that the code is indeed installed on the correct page, use the View Source functionality within your browser to check the source code for the conversion code. The first line of the...

Ngày tải lên: 31/03/2014, 17:20

... that goes over the wire in each direction: from the client to the server, and the server to client, regardless of whether the server has actual data or information to deliver to the client. With ... the client to the server, and then from the server to the client. This header helps the client and server agree on a set of protocol-level extensions to use for the duration of the connection. Sec-WebSocket-Protocol ... connection. Sec-WebSocket-Protocol Used in the opening WebSocket handshake from the client to the server, then from the server to negotiate a subprotocol. This header advertises the protocols that a client-side...

Ngày tải lên: 31/03/2014, 17:20

... of the MySQL installation. For Perl to be able to find the file, it must be copied into the Windows direc- tory, or else the PATH environment variable must be extended to include the directory ... mysql has the task of transmitting interactive commands to the server and displaying the results of these commands on the monitor. Alternatives to mysql, such as the MySQL Administrator and the convenient ... It is the task of PHP to take care of the actual management of the result.) To evaluate the result, the function mysql_result($result, 0,0) is used, by which the element in the table from the...

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