By By (author) Phil McCarthy By (author) Dave Crane
One of the main easy legislation of an internet software is that the customer, now not the server, needs to begin any conversation among the 2. there are many common–use instances the place, preferably, the server want to consult the client—dashboards and tracking apps, chat rooms and different collaborations, and growth studies on long–running techniques. Comet (a.k.a. opposite Ajax) presents a mechanism for allowing this. Comet is reasonably advanced to enforce. yet this functional, hands–on booklet will get you going.
- In half 1 of this ebook, we begin via reading the use circumstances, and view the easy choices to Comet and the way a ways they could fulfill your wishes. In a few occasions, even though, basically Comet will do.
- In half 2, we reveal easy methods to manage and run a Comet–based software.
With this ebook, be part of the subsequent new release, Ajax 2.0.
By Jörg Krause, Steffen Kepper
By Libero Maesano, Jean-Jacques Thomasson, Antoine Lonjon
By Jeremy Sydik
It is not a one-browser net anymore. you must achieve audiences that use cellphones, PDAs, video game consoles, or different "alternative" browsers, in addition to clients with disabilities. felony requisites for assistive applied sciences in addition to a big selection of latest shopping reports capability you must pay attention to semantics, exchange entry paths, and revolutionary enhancement. supply your viewers the ability to have interaction along with your content material all alone phrases. it is the correct factor to do, and with a $100 billion a 12 months marketplace for available content material, new legislation and new applied sciences, you cannot find the money for to disregard accessibility. With this e-book, you will research uncomplicated ideas and strategies for constructing available HTML, audio, video, and multimedia content material. additionally, you'll know how to use the foundations you examine during this ebook to new applied sciences once they emerge. you will find out how to:Use most sensible practices of accessibility to enhance obtainable websites construct checking out into initiatives to enhance effects and decrease expenses Create prime quality substitute representations in your viewers upload accessibility good points to exterior media like PDF and Flash Negotiate the terrain of accessibility criteria observe ideas of accessiblity to new applied sciences as they emerge
By Bruce W. Perry
By Dipl.-Inform. Wassilios Kazakos, Dipl.-Inform. Andreas Schmidt, Dipl.-Wirtsch.-Inf. Peter Tomczyk (auth.)
Dieses Buch bietet Projektleitern und Informatikern in Forschung und Praxis eine aus Datenbanksicht fundierte Einführung in die Welt von XML und die darauf aufbauenden criteria wie XML Schema, XML question und XSL/T. Die zentralen Konzepte werden dabei in Beziehung zu konventionellen relationalen und objektorientierten Techniken dargestellt. Die Verwendung konzeptueller Modelle im Zusammenhang mit XML sowie die Übertragung auf andere Datenmodelle werden erläutert. Für die Einschätzung der praktischen Einsatzfähigkeit bietet das Buch eine vertiefte examine zahlreicher kommerzieller Produkte wie Oracle 9i, MS SQL Server 2000 oder Tamino. An zwei Anwendungsbeispielen wird der reale Einsatz der vorgestellten Techniken präsentiert, ein Ausblick auf zukünftige Entwicklungen unter Berücksichtigung aktueller Forschungsvorhaben rundet das Buch ab.
By Michael Moncur
Sams educate your self DHTML in 24 Hours offers a pleasant, obtainable technique to examine DHTML. starting with the elemental thoughts, it's going to continue with concise classes at the DOM and magnificence sheets. Later classes will current real-world examples of priceless DHTML purposes, similar to cascading menus, and proceed with complex suggestions, corresponding to animation and dynamic fonts. After completing this publication, readers could be in a position to upload complex, interactive positive factors to their websites, whereas adhering to criteria and making sure that older and trade browsers will nonetheless be supported.
By S.J. DeRose
The SGML FAQ ebook: figuring out the root of HTML and XML is the same, yet now not particularly a similar form of factor as an internet FAQ or `Frequently requested Questions' record. It addresses questions from those who already really use SGML in a roundabout way (including HTML authors), and those who are approximately to exploit it. It offers quite often with concerns that come up whilst utilizing SGML in perform. a really short advent to SGML is integrated as Appendix A. The questions mentioned within the SGML FAQ e-book are again and again heard through those that make their dwelling serving the SGML neighborhood. SGML specialists spend many hours instructing those information, occasionally many times simply because a few questions don't look vital -- until eventually you run into them. So one good thing about this publication is studying extra of the artwork of record production and administration, either via basic examining sooner than questions come up and via particular reference whilst a query arises. For the latter use, the appendices, thesaurus, and index are relatively very important. A moment good thing about this e-book is that it offers a standard subject matter to its solutions that you should practice on your use of SGML, HTML and similar languages commonly. the elemental resolution to some of the questions boils right down to `simplify': many questions don't appear if you happen to use the uncomplicated, based center of SGML with no being concerned approximately not obligatory positive factors. The credo of this e-book is just, `SGML does not have to be complicated'. SGML has the potential of complexity at sure issues. yet a lot of the complexity comes from non-compulsory components and will be kept away from. SGML technique and its basic merits endure no loss even if you happen to pass many beneficial properties, which speaks good for the standard of SGML's total layout. some of the questions mentioned contain these non-compulsory components, and hence may be shunned through really appropriate designers and authors. the 2 key targets of the booklet are (1) to reply to questions that you could be really stumble upon as an SGML consumer, and that will help you get `unstuck' and be as effective as attainable in utilizing the language and (2) to teach proactive methods you could simplify your use of SGML, and get its very titanic advantages with minimum complexity.
By Aladdin Ayesh BSc, MSc (auth.)
Essential Dynamic HTML fast offers a step by step method of getting to know DHTML and its suggestions - every thing you want to be aware of from common HTML tags to Layers and DOM (Document item Model). you will research every thing you must comprehend to construct a dynamic site - ranging from opting for which font to take advantage of, to utilizing dynamic positioning and contents, and the way to include audio, video and animation, and Scripting.
Start with simple HTML tags. See what makes a domain interactive. find out about multimedia results. notice Cascade variety Sheets (CSS): dynamic websites. comprehend record item version (DOM) and layers. And how one can deal with dynamic websites: from structure to after design.
Written within the inimitable variety of the necessities sequence, this e-book tells you every thing you want to understand to get your first undertaking up and working, with plenty of tips to deal with a dynamic web site and imaginative URL addresses.