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Common elements in two lists
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Use Collection#retainAll().
listA.retainAll(listB);
// listA now contains only the elements which are also contained in listB.
If you want to avoid that changes are being affected in listA, then you need to create a new one.
List<Integer&g...
Which parts of Real World Haskell are now obsolete or considered bad practice?
...move return from Monad, so the Monad instance in Real World Haskell will really be out of sync with the real world.
That being said, it's still a useful resource for general guidelines. But keep in mind that many libraries changed since its release.
Something you can read along while reading RWH i...
How to add a custom right-click menu to a webpage?
...Lorem ipsum...
</body>
But you should ask yourself, do you really want to overwrite default right-click behavior - it depends on application that you're developing.
JSFIDDLE
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Gray out image with CSS?
...initely doesn't work in IE10, IE11, FF26, Safari 5.1.x (Win7 x64), or basically anything outside of Chrome (example.)
– nickb
Feb 10 '14 at 8:56
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How do I specify local .gem files in my Gemfile?
I have a couple of gem files which I install via gem install xx.gem . Can I tell Bundler to use them? Or do I have to specify the source path?
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What is the order of precedence for CSS?
...definitive-guide-to-css-styling-order) which I think will come in handy to all front-end developers.
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Could not find any resources appropriate for the specified culture or the neutral culture
...e this in the context menu (right click), look in the Properties panel (usually located below the solution explorer).
– defines
Aug 7 '15 at 16:56
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How to show first commit by 'git log'?
...parents was introduced after this answer was posted.)
Explanation
Technically, there may be more than one root commit. This happens when multiple previously independent histories are merged together. It is common when a project is integrated via a subtree merge.
The git.git repository has six roo...
What's the best way to add a drop shadow to my UIView
...shadow to views that are layered on top of one another, the views collapse allowing content in other views to be seen, in this vein i want to keep view.clipsToBounds ON so that when the views collapse their content is clipped.
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When is a Java method name too long? [closed]
In the last weeks I've seen some guys using really long names for a Method or Class (50 characters), this is usually under the premise that it improves readability, my opinion is that a long name like this is an indicator that we are trying to do a lot or too much in a method class if we need such a...