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How to flip background image using CSS?

... | edited May 14 '14 at 10:54 answered Apr 24 '11 at 6:16 ...
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How to check if an int is a null

... An int is not null, it may be 0 if not initialized. If you want an integer to be able to be null, you need to use Integer instead of int. Integer id; String name; public Integer getId() { return id; } Besides the statement if(person.equals(null)) can...
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input type=file show only button

... answered Feb 11 '13 at 6:07 shibashiba 2,24311 gold badge1212 silver badges99 bronze badges ...
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Is python's sorted() function guaranteed to be stable?

... the same algorithm as the sort method. I do realize that the docs aren't 100% clear about this identity; doc patches are always happily accepted! share | improve this answer | ...
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What does enumerate() mean?

...gt; for count, elem in enumerate(elements): ... print count, elem ... 0 foo 1 bar 2 baz By default, enumerate() starts counting at 0 but if you give it a second integer argument, it'll start from that number instead: >>> for count, elem in enumerate(elements, 42): ... print coun...
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Convert a row of a data frame to vector

... | edited Oct 30 '19 at 16:15 answered Jan 23 '13 at 16:42 ...
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How to merge a transparent png image with another image using PIL

....png") foreground = Image.open("test2.png") background.paste(foreground, (0, 0), foreground) background.show() First parameter to .paste() is the image to paste. Second are coordinates, and the secret sauce is the third parameter. It indicates a mask that will be used to paste the image. If you p...
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Javascript replace with reference to matched group?

... answered Aug 5 '09 at 17:51 airportyhairportyh 18.5k1212 gold badges5454 silver badges7171 bronze badges ...
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jQuery: How can i create a simple overlay?

... 202 An overlay is, simply put, a div that stays fixed on the screen (no matter if you scroll) and h...
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How to get jQuery dropdown value onchange event

... answered Nov 12 '13 at 7:00 power_scriptorpower_scriptor 2,94411 gold badge1212 silver badges1616 bronze badges ...