By Todd Cook
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Approximately This Book
Demystify the quandaries of internet improvement utilizing Play Framework
try out and debug your apps by utilizing Play's inbuilt checking out framework
grasp the middle positive aspects of Scala via a complete insurance of code and examples for various scenarios
Who This publication Is For
This booklet is meant for these builders who're willing to grasp the inner workings of Play Framework to successfully construct and set up web-related apps.
What you'll Learn
customise your framework to house the explicit specifications of an software
advance responsive, trustworthy, and hugely scalable functions utilizing Play Framework
construct and customise Play Framework plugins that may be utilized in a number of Play purposes
get yourself up to speed with third-party APIs to prevent rewriting current code
achieve an perception into some of the facets of trying out and debugging in Play to effectively try your apps
Get to understand all in regards to the recommendations of WebSockets and Actors to approach messages in response to events
Play Framework is an open resource net software framework that's written in Java and Scala. It follows the Model-View-Controller architectural trend and allows the person to hire Scala for program improvement, whereas conserving key homes and contours of Play Framework intact.
Starting off through development a uncomplicated software with minimum positive aspects, you get a close perception into dealing with facts transactions and designing versions in Play. subsequent, you enterprise into the strategies of Actors and WebSockets, the method of manipulating info streams, and trying out and debugging an software in Play. eventually, you achieve an perception into extending the framework by way of writing customized modules or plugins in Play. each one bankruptcy has a troubleshooting part that is helping you out via discussing the explanations of, and ideas to, a few generally confronted concerns.
Arrange for Microsoft examination 70-486 — and support show your real-world mastery of constructing ASP. internet MVC-based suggestions. Designed for knowledgeable builders able to increase their prestige, examination Ref specializes in the critical-thinking and decision-making acumen wanted for fulfillment on the Microsoft expert point.
DotNetNuke writer Shaun Walker leads this superlative writer group of MVPs whereas offering the most recent replace of a bestseller. they give whole insurance of the main revisions to DotNetNuke five, corresponding to extra granular management, widgets, XHTML compliance, better social networking, workflow, and higher content material administration.
Extra info for Mastering JSP
5. 6. 6 The result of the GET request sent from a form HTTP AND SERVLETS That’s right. There’s essentially no difference between a GET request sent from a form and a GET request sent from a hyperlink, except that the user can specify input through the form. 7. 8. 8 The RequestDump servlet’s response to the posted form data 35 36 CHAPTER 2 HTTP AND SERVLET BASICS Now that you’ve seen how HTTP parameters and variables can be accessed inside a servlet, and that a result can be returned to a client, let’s look further at some the features and constraints of this servlet.
GenericServlet class. Defines an interface for a generic, protocol-independent servlet. Developers can customize the interaction and handling of data by overriding the service() method. HttpServlet Specifies the interface for an HTTP servlet; the most commonly used class. When a web server receives a request pointing to a servlet, it calls the servlet’s service method, which handles the request and accepts a response object that will be returned to the client. Regular HTTP servlets do not need to override the service method; instead, they can override the methods that service delegates to, namely, GET and POST.
Indeed, the scope of J2EE is so large that most people specialize in a particular area. Sections of the rest of this book will deal with two of the major services, EJB and JDBC. Which Java Environment? Now that you need a JavaServer environment, which one is best? Well that depends. At most companies, the Java environment is decided for you by issues of cost, availability of support, and the experiences of other developers and managers. However, because you might be called on to give an educated evaluation, and because you might have to work with one or more of these systems, it’s important to learn their names and something about their features.
Mastering JSP by Todd Cook