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What is a “callable”?
Now that it's clear what a metaclass is , there is an associated concept that I use all the time without knowing what it really means.
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What Haskell representation is recommended for 2D, unboxed pixel arrays with millions of pixels?
I want to tackle some image-processing problems in Haskell. I'm working with both bitonal (bitmap) and color images with millions of pixels. I have a number of questions:
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How is the Linux kernel tested ?
...do the Linux kernel developers test their code locally and after they have it committed? Do they use some kind of unit testing, build automation? test plans?
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How to import existing Android project into Eclipse?
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edited May 1 '14 at 18:41
answered Mar 27 '11 at 16:02
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Remove Elements from a HashSet while Iterating [duplicate]
So, if I try to remove elements from a Java HashSet while iterating, I get a ConcurrentModificationException . What is the best way to remove a subset of the elements from a HashSet as in the following example?
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Remove shadow below actionbar
...use actionbarsherlock. The piece of code below is responsible for changing it's background to a custom one.
13 Answers
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Why is “origin/HEAD” shown when running “git branch -r”?
When you run git branch -r why the blazes does it list origin/HEAD ? For example, there's a remote repo on GitHub, say, with two branches: master and awesome-feature. If I do git clone to grab it and then go into my new directory and list the branches, I see this:
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Does SQLAlchemy have an equivalent of Django's get_or_create?
I want to get an object from the database if it already exists (based on provided parameters) or create it if it does not.
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What is Dependency Injection and Inversion of Control in Spring Framework?
...dependencies) and do not worry about how they will get those dependencies. It is the responsibility of Spring to provide the required dependencies for creating objects.
For example: Suppose we have an object Employee and it has a dependency on object Address. We would define a bean corresponding t...
How can I tell if a DOM element is visible in the current viewport?
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edited Jan 31 at 11:38
Peter Mortensen
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