. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 295 25.9. Validators must not change any data or models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 295 have the following set of panels: • HeaderPanel 21 • FooterPanel • MenuPanel Content area will change from page to page, so we don’t need a reusable panel for it. 5.3.2. Template page Now we can build less reusable). Let’s consider for example the main page of a mail service where users can see a list of received mails. Suppose that this page shows a notification box where user can see if new messages

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 282 25.9. Validators must not change any data or models. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . will have the following set of panels: • HeaderPanel • FooterPanel • MenuPanel Content area will change from page to page, so we don’t need a reusable panel for it. 5.3.2. Template page Now we can build less reusable). Let’s consider for example the main page of a mail service where users can see a list of received mails. Suppose that this page shows a notification box where user can see if new messages

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 281 25.9. Validators must not change any data or models. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . will have the following set of panels: • HeaderPanel • FooterPanel • MenuPanel Content area will change from page to page, so we don’t need a reusable panel for it. 5.3.2. Template page Now we can build less reusable). Let’s consider for example the main page of a mail service where users can see a list of received mails. Suppose that this page shows a notification box where user can see if new messages

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 294 25.9. Validators must not change any data or models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 294 will have the following set of panels: • HeaderPanel • FooterPanel • MenuPanel Content area will change from page to page, so we don’t need a reusable panel for it. 5.3.2. Template page Now we can build less reusable). Let’s consider for example the main page of a mail service where users can see a list of received mails. Suppose that this page shows a notification box where user can see if new messages

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