WAP website design [closed] - wap

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I want to create a WAP website for one of my client. The client need the website to work on all mobile browser.
What would be the best approach - WML, XHTML or normal HTML?
Thanks

How far back do you need to support phones? Most newer phones support XHTML Mobile or full HTML, whereas older phones often only support WML (different versions available).
A couple of years back when I worked with Mobile Devices, I was involved with building a View engine that utilized data like that available from WURFL to determine what the device supports, then build different webpages (WML/XHTML....) based on the capabilities of the phone. This is probably the best way to achieve full /comprehensive phone support but is more time consuming.
The best bet might be to work out what sort of devices (such as how old) you plan to support. If it's only newer devices you might get away with just XHTML/XHTML Mobile. You can query sources like WURFL or UA-Prof to try determine the expected support for phones required

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LoopBack 4 - why it was published if its not a finished product [closed]

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I have experience with Sequelize and TypeORM. LoopBack looks like a good alternative, so I tested it. But it looks like LoopBack 4 is not a finished product; it barely has the needed features for a production application.
My question is: why the LoopBack team decided to publish an unfinished product?
there are a lot of companies and products on live using Loopback4.
Which features you missed from the new version?
I mean, the product is free, open source and built off of previously released, finished products. Releasing it allows them to both test functionality and be provided with feedback and aid in building the actual application. Lots of products are released before they are finished for these important reasons. If you read the documentation, it is a community built product.
Most frameworks are constantly being updated to add functionality, so 'finished' is not really a word that can be thrown around for a framework
While it is not finished, to say it barely has the needs to support a production application is very dependent on the type of application being built.

How to start into Thunderbird Addon Development [closed]

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I want to implement a Thunderbird-Addon and already found information on the mozilla web pages regarding Addon Development. However, some of the information is rather confusing, and thus I have some more specific questions:
1) Are Firefox Addon development and Thunderbird Addon development related? Some links may suggest so, others are indicated as "outdated"...
2) On the Mozilla web pages there are infos related to addons for Thunderbird 2,3, or 5. Isn't Thunderbird at version 31 currently? Probably I missed something here.
3) I want to extend the tagging mechanics in thunderbird, e.g. allowing relationships between tags, tag hierarchies etc. For that I would have to extend the existing data model. Can I do so?
4) Is there a good overview of the actual data model? Before I start programming something, I'd like to see which parts I have to touch and which I can leave alone.

Why not using HTTP headers for Retina Display detection? [closed]

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I am the developer of the WordPress plugin called WP Retina 2x. It works really well - worked a lot on it - but something bothers me.
The well-known trick to detect the Retina Displays on the server-side is to use a cookie based on the window.devicePixelRatio value. It works perfectly but I consider it to be a workaround. More annoying, you cannot know whether the display is retina or not BEFORE generating the HTML (on the first visit).
We have many HTTP headers available so why the browsers just don't simply add a new one? We could have a Accept DevicePixelRatio (with such values as "2;1" or "1" by default - we could even have a "4" in the future just to contradict Steve Jobs :p) and we wouldn't need a cookie anymore. The whole workflow would be much cleaner. I also believe the server should know the technical details about the client and let the user identity or preferences to the cookies.
I have no idea how to promote this idea at this point, but first would you tell me if this is a good idea? If yes, how could we have the browsers implementing it? (I guess it wouldn't that easy but we need a starting point). Or maybe... would you have a different idea completely?

What's the state of the art in determining user location via IP address? [closed]

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I found myself trying to convert IP addresses into locations today, and found a number of options. They vary in methodology (some are downloadable databases, some are services, etc) and quality.
Whois
hostip.info
ip2location.com
maxmind
Dayana
geoiptool.com
There are more.
I know the quality of any of these tools can only be so high (users can proxy, etc), but I would like to know which of the above tools is generally the best, or if I should be using multiple services, or what. Does anyone have any experience actually comparing these to each other, or know where I can find such a comparison?
I've been using maxmind in an Asp.net site and it have been always reliable and quite fast to respond. Consider also using Html5 geolocation if you'll be dealing with browsers.

zigbee and embedded system [closed]

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I'm new with zigbee i need you to help me learn about it and know how to implement an embedded system using it
thanks in advance
One good place to look is on the Digi site. They have several products to help you, including embedded development kits.
If you want to go Open Source, look at Source Forge. They have some open source stacks. I have not used any of them, so I cannot comment beyond knowing that they exist.
Depending on your needs, you might want to just look at XBee, which is a subset of zigbee. There are some nice development tools for XBee. I have used an XBee expansion shield with the .net micro framework and boards provided by TinyCLR to do a wireless prototype.
Creating a zigbee stack on your own would be a fairly large task, so only you can determine if there is ROI in doing so. I would be more inclined to buy it in.
Get a ZigBee Starter Kit. Lots of vendors provide one; gust Google that exact phrase.
For example: AVR 8-Bit RISC - IEEE 802.15.4/ZigBee - Tools
Or you can ZigBee on a PIC/Microchip at very low cost. http://www.microchip.com/stellent/idcplg?IdcService=SS_GET_PAGE&nodeId=2112