... calibrated tothe realities of the biosphere and tothe diminished ecologies of the postcarbon world The change in our perspective from the nearer tothe longer term is, I think, the most difficult ... no effort to alert the public tothe dangers ahead; • Were oblivious tothe security implications of rapid climate change; • Took none of the obvious steps to recalibrate the economy to protect ... will have to move inland to higher ground But we have neither the money necessary to relocate millions of people nor the infrastructure to accommodate them once moved The warming of the northern...
... Systems, a wireless startup based in Seattle and London At Ripcord, Rory put together one of the first wireless GSM iPAQs in Europe He has worked in Web and wireless development in the United ... go to www.syngress.com/solutions, and keep this book handy when you register to verify your purchase Thank you for giving us the opportunity to serve your needs And be sure to let us know if there’s ... or firm involved in the writing, editing, or production (collectively “Makers”) of this book ( the Work”) not guarantee or warrant the results to be obtained from the Work There is no guarantee...
... Element The Element The Element The Element The Element The Element The Element The Element The Element The Element The Element The ... Element The Element The Element The Element The Element The Element The Element The Element The Element The Element The ... However, there are signs that the industry may move towards XHTML as the preferred markup language for these devices xxv Chapter Moving from the Web to Wireless Introduction Explaining Wireless...
... Guide tothe Wireless Internet is intended to give you, the Webmaster, the skills and knowledge that you will need to add wireless Internet capability to your existing Web site, to build new wireless ... architecture of the wireless architecture and provides a comprehensive overview of the components of the wireless Internet and how they fit together Chapter explains the nuts and bolts of the Wireless ... and the advent of the personal computer in the 1980s, has helped to sow the seeds for the most recent communications revolution the Internet In the mid-1990s, as the World Wide Web matured to...
... from the Web to Wireless • Chapter purchase items from DoCoMo-approved sites and have the charges appear on their phone bill, avoiding the need to send credit card details over the air The walled ... devices born on the wireless Internet are bound to change the landscape of mobile computing in the years to come What this means for the wireless Webmaster is that you’ll need to develop techniques ... initially, to extend traditional applications into the wireless realm, there will be a high demand for those skilled in both traditional Internet and wireless.This first generation of the wireless...
... gateway .The segment of the call from the handset tothe gateway is done using Wireless Session Protocol (WSP), a protocol defined within WAP .The WAP Gateway then acts on the phone’s behalf to request ... Another potential use might be to store a visitor’s answers to a question from one page, then refer back to these answers several pages later, without needing to transfer the data back tothe ... of the components along the way can have a significant effect on the format of your content It’s important to understand the effect each can have on the data you send to your visitors .To add to...
... mobile users to sync the unit with their desktop or laptop Outlook Most significantly for the wireless Webmaster, it features a browser that’s very similar to Internet Explorer 3.2 Rather than manufacture ... more to perform as sophisticated enterprise tools, there’s a need to bump up the power Motorola has announced that they will be doubling the power of the Dragonball chips used in all Palm devices ... Dragonball VZ Motorola Dragonball MHz MHz MHz MHz 16 MHz Laptop Computers Laptops have been mobile from the beginning, but they have only recently acquired the capability to be wireless.This is...
... of yet Moving from a Wired to a Wireless Internet The shift from the wired to wireless Internet has the potential to be every bit as revolutionary as the shift from print to Internet was Predictably, ... dial-up—in the 56 to 64 Kbps range As 3G systems begin to appear towards the middle of the decade, we may finally begin to approach the promised marketing nirvana of wireless broadband, but the wireless ... content server .The portion of the connection that travels over the wireless link, known as the air interface, uses different protocols, but these are for the most part invisible tothe Webmaster,...
... look forward tothe much higher data speeds of 3G introducing a world of broadband wireless within the next two to four years For the purposes of the wireless Webmaster looking to provide content ... data speeds up to 19.2 Kbps or even 28.8 Kbps The same wireless options available to PDA users also offer the possibility of wireless Internet access to laptop users Here, users have the benefit of ... Webmasters is to adapt UI and presentation to suit the different needs of mobile users, who need rapid access to targeted information, rather than the browsing paradigm of the wired Web In most...
... The WAP Browser The WAP browser is what most people think of when they hear the term wireless data Just like the Web browser is the interface tothe Web, the WAP browser is the interface tothe ... another minute of access they have to pay for If you don’t provide a quick and easy way to find the information the users are after, they will go to another site that does.You need to be open to ... Chapter • Wireless Architecture The WAP Gateway The WAP gateway is responsible for translating the wireless protocols to standard Internet protocols and vice-versa.This allows the mobile device to communicate...
... from WML 1.2, the gateway will merely send an error message to your visitor— and you will get no indication on the server We have looked at the pieces that fit together to build the wireless Internet, ... browsers to view the Web Some of these technologies are just starting to appear and may not be relevant to your wireless development for quite some time, but it’s a good idea to be aware of them ... installed by the manufacturer of the mobile device and cannot be upgraded by the user .The look and feel of the browser is not dictated by the WAP Forum and usually follows the look and feel of the device...
... together Motorola and Ericsson.These initial founders represented over 90 percent of the wireless market .The aim was to develop a protocol that could be built on any platform to allow users to ... Languages into the Wireless Markup Language The WAP Forum examined the various markup languages being offered by the different companies and took the best aspects of each to form the Wireless Markup ... 1997 Forming the WAP Forum In 1997, the US network operator Omnipoint Communications asked Nokia and Unwired Planet to apply for the contract to provide wireless content services to Omnipoint...
... the browser or gateway and is not displayed tothe user Meta information is included within the head of the document, the precise range of which is generally left tothe device manufacturer to ... tags) in that they specify the markup and structure of a WML file However, due tothe use of XML,WML elements not seek to provide formatting information.This is left tothe end device to work out ... WML page, the device will cache the received file, allowing it to be called up from the cache instead of having to download the whole file again.This can considerably speed up browsing The current...
... text together to allow better representation of the contents on the target device.You can nest further elements to provide more information on how the fields and text relate to each other ... rendered by the user-agent to provide information on the content tothe user The natural or formal language of the element xml:lang The following is an example of the syntax for the ... card, at the bottom, in the middle—in fact just about anywhere—so you must carefully consider the use of the element with respect tothe target device The following is an example of the syntax...
... false The name of the variable to be set This is used to set the tabbing position of the current element The title of the selection list that may be used to aid identification of the purpose of the ... characters that can be entered into the input field by the user The name of the variable that will be set for the input element The width of the input field in characters The position in tabbing order ... the property This is either true or false, and if false, the meta information must be removed before the content is sent tothe user Conversely, if true, the header information must be sent to...
... offer a number of tools to developers to speed the creation of WAP sites.They generally contain at least a WML editor and an emulator to view content in Some even go as far as to include a dedicated ... rel="next"/> WML Editors, WAP SDKs, and Emulators A whole plethora of tools are available tothe aspiring wireless developer.They range from freeware and shareware items to full-blown SDKs from ... Dreamweaver Together with the WML Studio Extension from Nokia The extension includes a WML 1.1 parser, error notification, plus the ability to show previews of the WML content NOTE At the time of...
... (located on the WAP device) This compiled bytecode, together with the compiled WAP binary, will have to fit into the memory of the target device Hence, the rule for minimizing the size of the WMLScript ... Unwired Planet formed The WAP Forum, also bringing together Motorola and Ericsson.These initial founders represented over 90 percent of the wireless market .The WAP Forum’s primary goal was to ... if the target device is able to support WMLScript, and send the appropriate content tothe device WMLScript Compilation Before the WMLScript is sent tothe WAP device for execution, it has to...
... then assign; for example, x div= y is equivalent to x = x div y Remainder (the sign of the result is the same as the sign of the dividend) and then assign; for example, x %= y is equivalent to ... For example, the following code snippet will calculate the average if the total is more than zero; otherwise it will assign the average to be zero: if (total>0) { average = sum / total; } else ... if the sum is more than 20, // break out of the loop } Using the Continue Keyword The continue keyword allows execution of either a for or while loop to continue, thereby skipping the rest of the...
... appended tothe end of the credit card number .To validate that the number is a valid credit card number, the numbers are applied the same algorithm in the reverse manner .The following illustrates the ... "&password=" + Password1; The URL for the ASP file is created with the query string containing the userID and password WMLBrowser.go(URL); The browser is then redirected tothe ASP file: else { DisplayMessage("Passwords ... WMLBrowser.go("Example2.wml#card2"); } Once the result is stored, #card2 from the WML deck is loaded using the go() function from the WMLBrowser library Figure 4.8 displays the resulting screens on the WAP Toolkit Figure...