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What does map(&:name) mean in Ruby?
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edited Feb 27 '12 at 16:43
BoltClock♦
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How to solve “The specified service has been marked for deletion” error
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answered Dec 13 '13 at 11:23
Arseni MourzenkoArseni Mourzenko
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Is there an “exists” function for jQuery?
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43 Answers
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Android Gradle plugin 0.7.0: “duplicate files during packaging of APK”
...ccording to comment 14 in this bug: https://issuetracker.google.com/issues/36982149#comment14 this is a bug in v0.7.0 of the Android Gradle plugin, and is due to be fixed soon in 0.7.1.
Here are the notes from that bug about the addition for 0.7.1:
0.7.1 is out with the fix for this.
The DSL to e...
R: rJava package install failing
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answered Jul 24 '10 at 14:31
Dirk EddelbuettelDirk Eddelbuettel
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Efficient way to rotate a list in python
...method.
from collections import deque
items = deque([1, 2])
items.append(3) # deque == [1, 2, 3]
items.rotate(1) # The deque is now: [3, 1, 2]
items.rotate(-1) # Returns deque to original state: [1, 2, 3]
item = items.popleft() # deque == [2, 3]
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Constants in Objective-C
I'm developing a Cocoa application, and I'm using constant NSString s as ways to store key names for my preferences.
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Convert a list to a dictionary in Python
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from itertools import izip
i = iter(a)
b = dict(izip(i, i))
In Python 3 you could also use a dict comprehension, but ironically I think the simplest way to do it will be with range() and len(), which would normally be a code smell.
b = {a[i]: a[i+1] for i in range(0, len(a), 2)}
So the iter(...
Python Empty Generator Function
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135
You can use return once in a generator; it stops iteration without yielding anything, and thus ...
How to install plugin for Eclipse from .zip
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223
It depends on what the zip contains. Take a look to see if it got content.jar and artifacts.jar....