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Best way to m>me m>rge two maps and sum the values of sam>me m> key?
I want to m>me m>rge them, and sum the values of sam>me m> keys. So the result will be:
15 Answers
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Preferred way of loading resources in Java
...ass().getResource("foo.txt");
it will attempt to load foo.txt from the sam>me m> package as the "this" class and with the class loader of the "this" class. If you put a "/" in front then you are absolutely referencing the resource.
this.getClass().getResource("/x/y/z/foo.txt")
will load the resource...
Callback on CSS transition
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I know that Safari implem>me m>nts a webkitTransitionEnd callback that you can attach directly to the elem>me m>nt with the transition.
Their example (reformatted to multiple lines):
box.addEventListener(
'webkitTransitionEnd',
function( event )...
Checking images for similarity with OpenCV
Does OpenCV support the comparison of two images, returning som>me m> value (maybe a percentage) that indicates how similar these images are? E.g. 100% would be returned if the sam>me m> image was passed twice, 0% would be returned if the images were totally different.
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Cross-referencing commits in github
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doesn't work for m>me m> with googlemaps/android-maps-utils@3cba85f04a79095160015f62a8438eb76adbbe6f
– Alex Sorokoletov
Dec 1 '16 at 16:33
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git switch branch without discarding local changes
...mitted to master, to be on develop.
If you don't have a develop yet, the m>me m>thod is trivial:
$ git checkout -b develop
This creates a new develop branch starting from wherever you are
now. Now you can commit and the new stuff is all on develop.
You do have a develop. See if Git will let you sw...
Common MySQL fields and their appropriate data types
I am setting up a very small MySQL database that stores, first nam>me m>, last nam>me m>, email and phone number and am struggling to find the 'perfect' datatype for each field. I know there is no such thing as a perfect answer, but there must be som>me m> sort of common convention for commonly used fields such as...
Rails: around_* callbacks
I have read the docum>me m>ntation at http://api.rubyonrails.org/classes/ActiveRecord/Callbacks.html , but don't understand when the around_* callbacks are triggered in relation to before_* and after_* .
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What argum>me m>nts are passed into AsyncTask?
I don't understand what I am supposed to put in here and where these argum>me m>nts end up? What exactly should I put, and where exactly will it go? Do I need to include all 3 or can I include 1,2,20?
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Rebuild IntelliJ project indexes
IntelliJ IDEA 10.5.1 is reporting zero usages for all m>me m>thod, classes etc.
2 Answers
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