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What is ActiveMQ used for - can we apply messaging concept using a Database?

...en source message broker written in Java together with a full Java Message Service (JMS) client. It provides "Enterprise Features" which in this case means fostering the communication from more than one client or server Regarding your queries: Why wouldnt you use a database? You should use ...
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What is the iBeacon Bluetooth Profile

...oth GATT APIs? I couldn't find the option. You can define custom UUIDs for Services and Characteristics but not for the advertisement. – miguel Nov 26 '13 at 4:04 1 ...
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How to secure MongoDB with username and password

...This will enable authentication for mongodb. Then, restart mongodb : sudo service mongod restart share | improve this answer | follow | ...
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PendingIntent does not send Intent extras

My MainActicity starts RefreshService with a Intent which has a boolean extra called isNextWeek . 3 Answers ...
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running Rails console in production

... Note: This answer assumes you are using Heroku as your hosting service. It depends on what hosting service you are using. For Heroku, you can go to your terminal and type in heroku run rails console This will load up the rails console for your production site and will allow you to c...
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What is the proper REST response code for a valid request but an empty data?

... view' response code). 204 No Content is however, very useful for ajax web services which may want to indicate success without having to return something. (Especially in cases like DELETE or POSTs that don't require feedback). The answer, therefore, to your question is use 404 in your case. 204 is...
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How to shut down the computer from C#

... This appears to work from services too (at least in the scenarios I'm concerned with). I was never able to get the WMI or ExitWindowsEx methods to work from a service. – James Jul 28 '11 at 17:34 ...
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What to return if Spring MVC controller method doesn't return value?

...ion to be done and data is any aditional data related with the operation / service requested. Come on, when we use a backend a service provider, any service can be checked to see if it worked well. So i stick, to not let spring manage this, exposing hybrid returning operations (Some returns data ...
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Where is svcutil.exe in Windows 7?

...ration file for my client application to specify things such as binding of service, the address of the service and the contract. ...
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Generating PDF files with JavaScript

... You can use this free service by adding a link which creates pdf from any url (e.g. http://www.phys.org): http://freehtmltopdf.com/?convert=http%3A%2F%2Fwww.phys.org&size=US_Letter&orientation=portrait&framesize=800&language=en ...