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In truth, there are no bad technologies. There are just bad uses of a technology. The cruel hand that fate had dealt JavaScript reminds me of another much maligned technology: Adobe s Flash. Many people once associated Flash with annoying splash pages, overlong download times, and unintuitive navigation. None of these things are intrinsic to Flash. They re simply by-products of poorly implemented Flash. It s ironic that Flash became associated with overlong download times. One of the great strengths of Flash is its ability to create light, compressed vector images and movies. But once it became the norm for Flash sites to have bloated splash intro movies, it took a long time to reverse the trend. Similarly, JavaScript can and should be used to make web pages more usable. Yet it has had a reputation for decreasing the usability and accessibility of websites. The problem was one of both inertia and momentum. If a technology is used in a thoughtless way from very early on, and that technology is then quickly adopted, it becomes very hard to change those initial bad habits. I m sure that all the pointless Flash intro movies on splash pages didn t spring up simultaneously. Instead, it was a case of monkey see, monkey do. People wanted splash pages because other people had splash pages. No one stopped to ask why it was necessary. JavaScript suffered a similar fate. Badly written functions, particularly those written by WYSIWYG editors, have shown a remarkable tenacity. The code has been copied and pasted. The functions have spread far and wide across the Web, but no one has ever questioned whether they could have been better.

Note All data and menu object definitions in Axapta have a ConfigurationKey property that specifies

3 If you re not sure how to do these bits, read through s 5 and 6 first, and then come straight back here

which configuration key they depend on. If the key is disabled, then the object is not loaded and made available by IntelliMorph, which reduces memory usage and in-memory management overhead.

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Whenever you use JavaScript to alter the behavior of your web pages, you should question your decisions. First and foremost, you should question whether the extra behavior is really necessary. JavaScript has been misused in the past to add all sorts of pointless bells and whistles to websites. You can use scripts that move the position of the browser window or even cause the browser window to shake. Most notorious of all, some scripts cause ad-containing content overlays or pop-up windows to appear when a page loads. Unfortunately for JavaScript and DOM scripters, some people deal with these invasive advertising tactics by disabling JavaScript entirely. The browser manufacturers themselves took steps to deal with the problem by offering built-in pop-up blockers, but advertisers continued to find ways around these.

Figure 12 5. The new unit test classes ready to be turned into code Here s the generated test code for the first test class the pattern of which should be starting to look pretty familiar by now: import org.junit.*; import static org.junit.Assert.*; /** * 'At least one candidate returned' - controller tests. */ public class AtLeastOneCandidateReturned { @Before public void setUp() throws Exception{ // set up test fixtures here... } @After public void tearDown() throws Exception{ // destroy test fixtures here... } /** * Input: an empty CandidateCollection * Acceptance Criteria: false returned */ @Test public final void checkNoCandidates() throws Exception{

In practice, there are two aspects to IntelliMorph. The first is what is commonly known as the user setup tool, which is available to all users and that, as you will see in a moment, allows them to change the layout of forms and even add or hide data fields without any programming. The real cool thing about this part of IntelliMorph is that the changes are on a per-user basis, so every user can have it his way without imposing himself on others.

Note The idea of letting every user customize the user interface to his heart s content is something you

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