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How do I use a PriorityQueue?
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455
Use the constructor overload which takes a Comparator<? super E> comparator and pass in ...
Change Volley timeout duration
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Andrew T.
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answered Jun 18 '13 at 21:36
larham1larham1
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What does “dereferencing” a pointer mean?
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744
Reviewing the basic terminology
It's usually good enough - unless you're programming assembly ...
Simplest way to do a fire and forget method in c# 4.0
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4 Answers
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Active
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Remove duplicated rows using dplyr
...rame [3 x 3]
## Groups: x, y
##
## x y z
## 1 0 1 1
## 2 1 0 2
## 3 1 1 4
(In dplyr 0.2 you won't need the dummy z variable and will just be
able to write row_number() == 1)
I've also been thinking about adding a slice() function that would
work like:
df %>% group_by(x, y) %>% slice(fro...
Is the Scala 2.8 collections library a case of “the longest suicide note in history”? [closed]
...ts map { _ + 1 }
shifted: scala.collection.immutable.BitSet = BitSet(2, 3, 4)
scala> val displayed = bits map { _.toString + "!" }
displayed: scala.collection.immutable.Set[java.lang.String] = Set(1!, 2!, 3!)
See how you always get the best possible type? If you map Ints to Ints you get again ...
Convert array of strings into a string in Java
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480
If you just want a "debug-style" dump of an array:
String str = Arrays.toString(arr);
or, f...
Math - mapping numbers
...Markus Dresch
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answered Dec 5 '08 at 21:28
PeterAllenWebbPeterAllenWebb
9,2...
Plot a legend outside of the plotting area in base graphics?
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edited Sep 12 '13 at 15:04
Henrik
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answered Oct ...
How to unzip a list of tuples into individual lists? [duplicate]
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424
Use zip(*list):
>>> l = [(1,2), (3,4), (8,9)]
>>> list(zip(*l))
[(1, 3, 8),...