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Why do we need message brokers like RabbitMQ over a database like PostgreSQL?
...re than that now; its even referred to as a swiss army knife). Still, I've read/heard many people achieving good results with Redis for smaller sized projects, but haven't heard much about it in larger applications.
Here is an example of redis being used in a long-polling chat implementation: http:...
ASP.NET MVC Html.DropDownList SelectedValue
...that dropdown list. Even thought your List<SelectListItem> Persons already set the Selected flag to indicate which one is selected/default, the tml.DropDownList will actually ignore that and rebuild it's own IEnumerable<SelectListItem> and set the default/selected item based on the nam...
NSInvocation for Dummies?
... to objects in setArgument:atIndex:, so the arg assignment should actually read [myInvocation setArgument:&myString atIndex:2].
– Ryan McCuaig
Nov 3 '09 at 0:13
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Callback to a Fragment from a DialogFragment
... helpful to show a dialog picked value being added to the Intent, and then read inside your onActivityResult. Intents are unclear to beginners.
– Chris Betti
Feb 17 '14 at 18:35
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400 BAD request HTTP error code meaning?
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This answer covers a lot of this, though I haven't read through all of the charts yet stackoverflow.com/a/34324179/16959
– Jason Sperske
Nov 1 '17 at 21:37
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jQuery.ajax handling continue responses: “success:” vs “.done”?
...l not run if json returned from ajax has responseCode other than 200
});
Read more about $.Deferred here: http://api.jquery.com/category/deferred-object/
NOTE: As of jQuery 1.8, pipe has been deprecated in favor of using then in exactly the same way.
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When vectors are allocated, do they use memory on the heap or the stack?
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@flyrain: vectors clean up after themselves. Read up on RAII.
– Fred Foo
Sep 25 '13 at 12:08
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How to resize an image with OpenCV2.0 and Python2.6
...scipy.misc.imresize(image, 0.5)
There are obviously more options you can read in the documentation of those functions (cv2.resize, scipy.misc.imresize).
Update:
According to the SciPy documentation:
imresize is deprecated in SciPy 1.0.0, and
will be removed in 1.2.0. Use skimage.transform...
Choosing between MEF and MAF (System.AddIn)
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@Ian: please reread my comment:) I've written exactly that, and MORE: MAF really allows that, but you have to get up after the crash all by yourself.
– quetzalcoatl
Apr 1 '13 at 21:58
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What is a web service endpoint?
...ed by a client application. If you don't understand what a web service is, read for example this: stackoverflow.com/questions/226108/…
– lbalazscs
Nov 27 '14 at 15:49
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