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How to get one value at a time from a generator function in Python?
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This is the correct way to do it.
You can also use next(gen).
http://docs.python.org/library/functions.html#next
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How to create a listbox in HTML without allowing multiple selection?
...=6 with the number of elements you want
you may want to check this site
http://www.htmlcodetutorial.com/forms/_SELECT.html
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How to get a DOM Element from a JQuery Selector
...s. To do this properly in raw Javascript has about 7 fallback cases for XmlHttpRequest.
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How to effectively work with multiple files in Vim
I've started using Vim to develop Perl scripts and am starting to find it very powerful.
28 Answers
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How to make vi redraw screen?
...T100 type terminals )
^L ( does not work with Televideo terminals )
From http://www.cs.rit.edu/~cslab/vi.html#A1.4 (dead link; see archive)
As noted in the comments Vim now uses ^R for redo and ^L alone for redraw.
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Java int to String - Integer.toString(i) vs new Integer(i).toString()
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Prevent ViewPager from destroying off-screen views
... Pages beyond this limit will be recreated from the adapter when needed."
http://developer.android.com/reference/android/support/v4/view/ViewPager.html#setOffscreenPageLimit(int)
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Effect of a Bitwise Operator on a Boolean in Java
... of boolean type. I'd say for any other case the results are not defined:
http://java.sun.com/docs/books/jls/second_edition/html/expressions.doc.html#5228
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What is Weak Head Normal Form?
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A good explanation with examples is given at http://foldoc.org/Weak+Head+Normal+Form Head normal form simplifies even the bits of an expression inside of a function abstraction, while "weak" head normal form stops at function abstractions.
From the source, if you have...
How to close Android application?
...he app. Whether the
* app is killed safely or quickly the app will be completely created as a
* new app in a new virtual machine running in a new process if the user
* starts the app again.
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* <P>
* <B>NOTE:</B> The app will not be killed until all o...