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mongodb count num of distinct values per field/key
Is there a query for calculating how many distinct values a field contains in DB.
5 Answers
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click or change event on radio using jquery
I have some radios in my page,and I want to do something when the checked radio changes,however the code does not work in IE:
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How to reference style attributes from a drawable?
I want to have 2 selectable themes for my application. In order to do that, I defined some attributes, like this:
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Checking for a dirty index or untracked files with Git
How can I check if I have any uncommitted changes in my git repository:
14 Answers
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Why does pattern matching in Scala not work with variables?
Take the following function:
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Get file size, image width and height before upload
How can I get the file size, image height and width before upload to my website, with jQuery or JavaScript?
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Class method decorator with self arguments?
How do I pass a class field to a decorator on a class method as an argument? What I want to do is something like:
5 Answer...
Android: Bitmaps loaded from gallery are rotated in ImageView
When I load an image from the media gallery into a Bitmap, everything is working fine, except that pictures that were shot with the camera while holding the phone vertically, are rotated so that I always get a horizontal picture even though it appears vertical in the gallery.
Why is that and how can...
Differences between Agda and Idris
I'm starting to dive into dependently-typed programming and have found that the Agda and Idris languages are the closest to Haskell, so I started there.
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leiningen - how to add dependencies for local jars?
I want to use leiningen to build and develop my clojure project. Is there a way to modify project.clj to tell it to pick some jars from local directories?
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