By Darren Cook
Verify your site or internet software clients get content material updates at once with minimum latency. This concise consultant indicates you the way to push new info from the server to consumers with HTML5 Server-Sent occasions (SSE), a superb know-how that doesn’t require consistent polling or person interplay. You’ll easy methods to construct a real-world SSE software from begin to end that solves a tough area problem.
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Approximately This Book
Demystify the quandaries of internet improvement utilizing Play Framework
try and debug your apps through the use of Play's in-built checking out framework
grasp the center good points of Scala via a complete assurance of code and examples for various scenarios
Who This booklet Is For
This publication is meant for these builders who're prepared to grasp the inner workings of Play Framework to successfully construct and set up web-related apps.
What you are going to Learn
customise your framework to house the explicit requisites of an program
strengthen responsive, trustworthy, and hugely scalable purposes utilizing Play Framework
construct and customise Play Framework plugins that may be utilized in a number of Play functions
make yourself familiar with third-party APIs to prevent rewriting current code
achieve an perception into many of the facets of checking out and debugging in Play to effectively attempt your apps
Get to grasp all in regards to the strategies of WebSockets and Actors to procedure messages according to events
Play Framework is an open resource net program framework that's written in Java and Scala. It follows the Model-View-Controller architectural trend and permits the person to hire Scala for software improvement, whereas holding key houses and contours of Play Framework intact.
Starting off through construction a uncomplicated program with minimum gains, you get a close perception into dealing with info transactions and designing types in Play. subsequent, you enterprise into the options of Actors and WebSockets, the method of manipulating information streams, and checking out and debugging an program in Play. ultimately, you achieve an perception into extending the framework via writing customized modules or plugins in Play. every one bankruptcy has a troubleshooting part that is helping you out through discussing the reasons of, and options to, a few in general confronted matters.
Arrange for Microsoft examination 70-486 — and aid reveal your real-world mastery of constructing ASP. internet MVC-based options. Designed for knowledgeable builders able to develop their prestige, examination Ref makes a speciality of the critical-thinking and decision-making acumen wanted for fulfillment on the Microsoft expert point.
DotNetNuke author Shaun Walker leads this superlative writer crew of MVPs whereas offering the most recent replace of a bestseller. they provide entire assurance of the foremost revisions to DotNetNuke five, resembling extra granular management, widgets, XHTML compliance, greater social networking, workflow, and higher content material administration.
Additional info for Data Push Apps with HTML5 SSE: Pragmatic Solutions for Real-World Clients
This chapter contains a bit of backend PHP code that may not feel relevant to your own application. I suggest you at least skim it, because you will see it built upon in later chapters and it shows, step-by-step, one approach for unit testing and functional testing of data push systems. Our Problem Domain The problem domain I will cover in this and the next few chapters is from the finance industry. It has its own jargon—almost as bad as the software industry—so I will in‐ troduce some of the terminology you will meet, and just enough background informa‐ tion to help you understand some of the design decisions.
Php in the book’s source code, which uses SSE comments again to show that the artificial data is spit out at exactly the same pace as the real passage of time. html, which sets an explicit seed, and thus shows repeatable data each time you reload. "\n\n"; @ob_flush();@flush(); } Taking Stock We covered a lot of ground in this chapter. Step by step, we designed a random data backend that incorporates Design for Testability principles (while learning a little about how FX markets work), then pushed that data to clients using SSE.
Data Push Apps with HTML5 SSE: Pragmatic Solutions for Real-World Clients by Darren Cook