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Real world use of JMS/message queues? [closed]

... access from a C#/Java/Ruby client. A real world example is that of a web application that is used to place an order for a particular customer. As part of placing that order (and storing it in a database) you may wish to carry a number of additional tasks: Store the order in some sort of third p...
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Microsoft Web API: How do you do a Server.MapPath?

... You can use HostingEnvironment.MapPath in any context where System.Web objects like HttpContext.Current are not available (e.g also from a static method). var mappedPath = System.Web.Hosting.HostingEnvironment.MapPath("~/SomePath"); See also What is the ...
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What is the difference between Gemfile and Gemfile.lock in Ruby on Rails

... That's how it should work -- but apparently the Gemfile.lock includes 'open' versions in some cases (e.g. rails (4.0.0) requires bundler (>= 1.3.0, < 2.0)), which causes problems. Any idea how to avoid those 'open' dependencies? –...
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AngularJS : Where to use promises?

...ookForAuthentication accepts a callback for failure and success, but what happens when FB.login succeeds but FB.api fails? This method always invokes the success callback regardless of the result of the FB.api method. Now imagine that you're trying to code a robust sequence of three or more asyn...
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android splash screen sizes for ldpi,mdpi, hdpi, xhdpi displays ? - eg : 1024X768 pixels for ldpi

...to design splash screens(images that fit screen while loading) for android application using phonegap. I have to design 4 size images that fit for 4types of screens like ldpi, mdpi , hdpi, xhdpi . Can anyone tell me exact sizes in pixels for these screens so I can design in that size ? ...
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Creating .pem file for APNS?

... by the Certificates category. You will see an expandable option called “Apple Development Push Services” Right click on “Apple Development Push Services” > Export “Apple Development Push Services ID123″. Save this as apns-dev-cert.p12 file somewhere you can access it. There is no nee...
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Waiting until two async blocks are executed before starting another block

...e, "Waiting on Groups of Queued Tasks" in the "Dispatch Queues" chapter of Apple's iOS Developer Library's Concurrency Programming Guide Your example could look something like this: dispatch_group_t group = dispatch_group_create(); dispatch_group_async(group,dispatch_get_global_queue(DISPATCH_QUE...
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Android adb “Unable to open sync connection!”

I can run and debug my Android app on my phone just fine, most of the time. Then, seemingly randomly, when I try to run or debug my app from Eclipse, the Console in Eclipse says: ...
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Assign width to half available screen width declaratively

...tend to use it as a filler. layout_width="0dp" is actually the recommended approach according to Android documentation. – Muz Oct 10 '13 at 10:02 ...
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Garbage collector in Android

...should go over the GC's head and run Bitmap.recycle() or System.gc() where appropriate. But only pre-honeycomb. – Timmmm Nov 29 '12 at 18:10 1 ...