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ALTER TABLE, set null in not null column, PostgreSQL 9.1
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ALTER TABLE person ALTER COLUMN phone DROP NOT NULL;
More details in the manual: http://www.p...
How to crop an image in OpenCV using Python
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crop_img = img[y:y+h, x:x+w]
cv2.imshow("cropped", crop_img)
cv2.waitKey(0)
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Scrollable Menu with Bootstrap - Menu expanding its container when it should not
... menu class..
CSS:
.scrollable-menu {
height: auto;
max-height: 200px;
overflow-x: hidden;
}
HTML
<ul class="dropdown-menu scrollable-menu" role="menu">
<li><a href="#">Action</a></li>
<li><a href="#">Another actio...
Fundamental difference between Hashing and Encryption algorithms
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+200
Well, you could look it up in Wikipedia... But since you want an explanation, I'll do my best here:
Hash Functions
They provide a ...
Using isKindOfClass with Swift
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KPMKPM
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SVN checkout the contents of a folder, not the folder itself
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edited Mar 25 '13 at 20:29
nonopolarity
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jQuery - selecting elements from inside a element
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answered Apr 27 '11 at 18:50
Jishnu A PJishnu A P
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How do I join two paths in C#?
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answered Jun 7 '09 at 11:04
Jose BasilioJose Basilio
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Difference between constituency parser and dependency parser
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dhgdhg
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Java: possible to line break in a properties file?
...ot asked for.
– Enrice
Feb 26 at 15:05
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