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Using a dictionary to count the items in a list [duplicate]
...t but comparatively equal values, which is what makes it so useful. (For example, you can compare a list of locations by their temperature, and use a multiset to look up all locations at a specific temperature or temperature range, while getting the fast insertions of a set.) Counter merely counts...
UIScrollView scroll to bottom programmatically
...s. So it should be like this: scrollView.setContentOffset(CGPointMake(0, max(scrollView.contentSize.height - scrollView.bounds.size.height, 0) ), animated: true)
– Bartłomiej Semańczyk
Jan 16 '16 at 19:55
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Automatically remove Subversion unversioned files
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Pairs from single list
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I love this solution: it's lazy, and it exploits the statefulness of iterators to great effect. You could even make it a one-liner, though perhaps at the expense of readability: izip(*[iter(t)]*size)
– Channing Moore
Dec 18 '14...
Filter git diff by type of change
...ed between the two branches.
From man git-diff
--diff-filter=[ACDMRTUXB*]
Select only files that are
A Added
C Copied
D Deleted
M Modified
R Renamed
T have their type (mode) changed
U Unmerged
X Unknown
B have had their pairing Broken
* All-or-none
Any co...
Why is DarkGray lighter than Gray?
...the subject. It sounds like a lot of the named color definitions come from X Windows System. On X, "Gray" is actually closer to "Silver". However, the W3C defined Gray (more appropriately?) as RGB 50%.
Here's some more Wikipedia on the subject:
Perhaps most unusual of the color clashes between ...
What's the purpose of the LEA instruction?
...trick" to do certain computations, but that's not its primary purpose. The x86 instruction set was designed to support high-level languages like Pascal and C, where arrays—especially arrays of ints or small structs—are common. Consider, for example, a struct representing (x, y) coordinates:
str...
Get Slightly Lighter and Darker Color from UIColor
...n:&g blue:&b alpha:&a])
return [UIColor colorWithRed:MAX(r - 0.2, 0.0)
green:MAX(g - 0.2, 0.0)
blue:MAX(b - 0.2, 0.0)
alpha:a];
return nil;
}
Use it like this:
UIColor *baseColor ...
Hash function that produces short hashes?
...truncate the result to the desired length, which may be good enough.
For example, in Python:
>>> import hashlib
>>> hash = hashlib.sha1("my message".encode("UTF-8")).hexdigest()
>>> hash
'104ab42f1193c336aa2cf08a2c946d5c6fd0fcdb'
>>> hash[:10]
'104ab42f11'
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What are the differences between Chosen and Select2?
Chosen and Select2 are the two more popular libraries for extending selectboxes.
11 Answers
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