Download Ajax and REST Recipes: A Problem-Solution Approach by Christian Gross PDF

By Christian Gross

Ajax and leisure Recipes: A Problem-Solution method will serve all your Ajax wishes, via offering adaptable recommendations for universal initiatives you have to enforce on websites utilizing the subsequent new release of Ajax and leisure strategies. As a JavaScript developer, it slow is beneficial, so you’ll are looking to clear up difficulties that current themselves on your paintings as fast as attainable. you could decide up the code supplied during this e-book, adapt it, or plug it instantly into your individual functions. The booklet generally makes a speciality of illustrating and explaining the right way to construct purposes that use JavaScript, Ajax, and relaxation net prone, besides a few person interface concerns. particularly, the next issues are lined: imposing JavaScript unit assessments, explaining the cause of dynamic languages, net companies and service-oriented structure (SOA), defining and enforcing contracts utilizing relaxation, realizing why JavaScript capabilities have nation; imposing JavaScript "Generics", that are a mix among genuine Generics and a substitute set of rules, utilizing code blocks, utilizing capabilities to make judgements, realizing the adaptation of JavaScript code that behaves like a cost variety or a reference style, enforcing proxies, delegates, mixins, and overloaded capabilities, enforcing an entire Ajax and internet provider structure, defining an internet carrier utilizing leisure, dealing with huge or gradual or real-time information units, imposing purchasing cart style architectures, and fixing the again button challenge utilizing Ajax. Having learn this booklet, you may have realized to modularize your internet program by way of decoupling the customer from the server. The decoupling permits a shopper developer to target writing the easiest JavaScript and Ajax code, and a server developer to write down the simplest enterprise and information gadgets.

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You could implement your own encryption using publicly available encryption libraries, but I don’t believe that you should manage your own security. Security is a complex topic, and some experts spend every working day of their lives figuring out how to secure systems. Even if you spend a week, a month, or even two months on the topic, you won’t have come close to the issues relating to a secure system. Thus, leave security to the experts and use the available security. On the other hand, this doesn’t mean that you cannot ask intelligent questions and suggest the type of system you would like.

Therefore, if you must have variety in dynamic identifiers, create a few of them and then use a random number algorithm to choose between them. When testing dynamic contracts, remember the following points: • Figure out who is responsible for generating the dynamic data and who consumes the dynamic data. • The generator of dynamic data can define specific test cases and make assumptions about how the data is formatted. qxd 38 11/17/06 10:31 AM Page 38 CHAPTER 1 ■ GETTING STARTED • The consumer of the dynamic data is responsible for receiving the dynamic data and applying three levels of verification when verifying the correctness of the data.

When testing dynamic data, start at the lowest level and perform the tests incrementally. Don’t start at the highest level right from the start. Doing so makes a dangerous assumption that dynamic data exists. For example, if you only test for correct formatting, you won’t be able to discern between the test failure of missing dynamic data and incorrectly formatted dynamic data. getRequestURI() + "/2364564565"); } } The bold code illustrates how the redirection is implemented. Notice that the dynamic identifier is hard-coded.

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