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What is “lifting” in Haskell?
...ree<a> that can store elements of some another type, a). I have used Java generics notation, <a>, for element type a and think of the elements as berries on the tree Tree<a>. There is a function fmap, which takes an element conversion function, a->b and container functor<a>...
What is the best place for storing uploaded images, SQL database or disk file system? [closed]
...sts- for instance, the GIFAR vulnerability allowed you to hide a malicious java applet in a GIF file, which would then be able to read cookies in the current context and send them to another site for a cross-site scripting attack. Resizing the images usually prevents this, as it munges the embedded ...
Running multiple AsyncTasks at the same time — not possible?
...you try to execute more than 138 your custom tasks the app will crash with java.util.concurrent.RejectedExecutionException.
Starting from 3.0 the API allows to use your custom thread pool executor via AsyncTask.executeOnExecutor(Executor exec, Params... params) method. This allows, for instance, to...
Fragment transaction animation: slide in and slide out
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It doesn't work... caused "java.lang.RuntimeException: Unknown animator name: translate". This solution worked for me. trickyandroid.com/fragments-translate-animation
– Ataru
Feb 4 '15 at 11:45
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How to calculate the bounding box for a given lat/lng location?
...BoundingCoordinates
The article explains the formulae and also provides a Java implementation. (It also shows why Federico's formula for the min/max longitude is inaccurate.)
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How to handle multiple cookies with the same name?
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If you use the Java/Scala framework Play: watch out! If a request contains multiple cookies with the same name, Play will only present 1 of them to your code.
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Pass Variables by Reference in Javascript
How do I pass variables by reference in JavaScript? I have 3 variables that I want to perform several operations to, so I want to put them in a for loop and perform the operations to each one.
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How does “this” keyword work within a function?
I just came across an interesting situation in JavaScript. I have a class with a method that defines several objects using object-literal notation. Inside those objects, the this pointer is being used. From the behavior of the program, I have deduced that the this pointer is referring to the ...
What is the proper way to URL encode Unicode characters?
...lack of awareness of the problem amongst many developers. (I regularly ask Java interviewees what the difference between a Reader and an InputStream is, and regularly get blank looks)
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What is a “feature flag”?
...://code.flickr.com/blog/2009/12/02/flipping-out/
-- EDIT:
Feature Flags java implementation.
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