Remember when the Object database was going to kill the Relational database?
OOP was the sexy programming model, and relational set theory seemed so quaint. Once you are using Objects, why wouldn’t you just want to persist them instead of having to drop down to this crazy SQL? Inner joins instead of just person.name.first? Fools.
Where possible, creating Web applications — including Ajax-based applications — in a RESTful way avoids a large class of bugs. However, a pitfall of REST (REpresentational State Transfer) is sending duplicate data across similar XMLHttpRequests. This tip shows how the moderate use of session cookies can maintain just enough server-side state to significantly reduce client-server traffic, while still allowing fallback to cookie-free operation.
Bestehende JavaServer Faces-Komponenten um Ajax-Funktionalität zu erweitern, das geht mittlerweile recht einfach. Und das, ohne sich in eine Ajax-Bibliothek einzuarbeiten, Umwege über Servlets zu machen oder sonstige, nicht auf den JSF-Lifecycle abgestimmte Techniken zu benutzen.
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