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For example, how does Windows know that a device on the network is a wireless printer? What are the standards being used?
Are there generic protocols an application can use to submit print jobs to a such a printer if there is no available printer driver?
Internet Printing Protocol - http://en.wikipedia.org/wiki/Internet_Printing_Protocol
HP ePrint and Apple AirPrint appear to be protocols for driverless printing but I'm not fully clear on these.
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Closed 5 years ago.
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I want to create a system to control a led stripe with an esp8266, it would be easy if I had a socket for the power supply,
but it has to be mobile so I need a akku for it
Could you guys please give me some tips for my idea :)
You could go for a development board that has the ESP as well as the battery integrated already, like the Adafruit Feather HUZZAH with ESP8266 WiFi. They also sell the compatible LiPo batteries with it.
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I am trying to make 2 motes connect via a border-router, using the contiki 3 examples. I compiled er-example-client but it does not fit on my Crossbow TelosB mote. It comes up with error message:
er-example-server.sky section '.text' will not fit in region 'rom'
I am using Instant Contiki, which has msp430-gcc v4.7. The same seems to happen in Cooja as well, using Sky motes.
The application doesn't fit the Sky/TelosB ROM. Using the msp430-4.7.x provides a nice size reduction, but doesn't seem to benefit the Sky. Try disabling some of the resources enabled by default, for example compiling only with the hello test yields:
msp430-size er-example-server.sky
text data bss dec hex filename
48669 278 8646 57593 e0f9 er-example-server.sky
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Closed 9 years ago.
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Connection to internet is allowed for only one specified device (always the same one laptop). I made the factory reset, after that the problem still exists. The other devices (Android, Symbian, another laptop) can connect to Wifi, but cannot connect to internet. Two weeks ago there wasn't any problem with the devices mentioned above.
Thanks a lot:
Daniel
This doesn't seem to be a question related to programming/development. I think Server Fault would be a better place for this question.
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Does anybody know how can I find out what's the interface a packet arrived on? I captured packets with tcpdump using "-i any" and now I want to find out on what interface a certain packet was received.
And another question, can I start tcpdump on an interface that does not exist yet? The code I am testing creates an interface and starts sending packets imediately. The problem is that by the time I get to hit tcpdump, some packets are already sent.
Thanks!
I think we cannot do that on a interface which is not in network .. we can work on packets which flies in the network so the Ethernet should be in network
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Closed 6 years ago.
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I want to know whether Blackberry Curve 8520 is Java enabled? Also, whether this phone provides its own SDK to develop mobile applications in Java?
regards,
Yes.
http://us.blackberry.com/developers/javaappdev/
http://us.blackberry.com/developers/
http://download.oracle.com/javame/index.html
http://in.blackberry.com/devices/blackberrycurve8500/curve_specifications.jsp