By Scott Raymond
* complicated fabric explains the most up-tp-date layout practices for Ajax usability. You'll discover ways to stay away from person event errors with confirmed layout patterns.
past the how-to, Ajax on Rails is helping you think about whilst Ajax is (and isn't) applicable, and the trade-offs linked to it. For these new to Rails, this booklet offers a short advent, the large photograph, a stroll throughout the deploy procedure, and a few pointers on getting begun. If you've already set to work with Rails and search to deepen your ability set, you'll locate dozens of examples drawn from real-world tasks, exhaustive reference for each proper function, and specialist recommendation on the best way to "Ajaxify" your purposes.
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Additional info for Ajax on Rails
Figure 1-4: When compared to today’s rich and engaging HTML and CSS, WML is a real ugly character. Ultimately, the choice to keep up with the trends or retain support for only a select few of your audience’s situations is entirely up to you. It may be impractical to produce a site that is so flexible that it supports every type of product and situation without issue, and if you know what your audience requires, there’s no need to go over the top, covering all possible bases. However, unless you have a good reason to do otherwise, ensuring that your site caters to as many situations as you can eliminates the need to patch your site’s code in the future.
You can debug code in many different ways. You have concurrent debugging that effectively involves checking and retesting your work as you progress through a series of stages. There’s elimination debugging, where you find a problem and begin crippling bits of code in order to eliminate potential causes from the list (what Sherlock Homes would do if he were a programmer). Finally, there’s proactive testing in which you uncover quirks or issues (plus the effectiveness of fixes) by getting users to report faults (Figure 1-14).
Sites cannot harm a user, must obey clients’ orders (unless it violates the first law), and must do the same for designers (unless it violates the previous two). With this idealistic balance, the designer’s priorities should be set. The needs of a site depend on the factors described in this section. You’ll probably spend as much time researching what is needed on an interface as you do building it. In a designer’s ideal world, people would conform to stereotypes, devices would be standardized, and clients would jump for joy at the thought of accessibility.