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How to sort an array in descending order in Ruby
...0.times {
ary << {:bar => rand(1000)}
}
n = 500
Benchmark.bm(20) do |x|
x.report("sort") { n.times { ary.sort{ |a,b| b[:bar] <=> a[:bar] } } }
x.report("sort reverse") { n.times { ary.sort{ |a,b| a[:bar] <=> b[:bar] }.reverse } }
x.report("sort_by ...
Why does this assert throw a format exception when comparing structures?
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edited Feb 20 '13 at 4:12
BlueRaja - Danny Pflughoeft
72.3k2525 gold badges169169 silver badges251251 bronze badges
...
Should you always favor xrange() over range()?
...(original)
+++ range_test.py (refactored)
@@ -1,7 +1,7 @@
for x in range(20):
- a=range(20)
+ a=list(range(20))
b=list(range(20))
c=[x for x in range(20)]
d=(x for x in range(20))
- e=xrange(20)
+ e=range(20)
As you can see, when used in a for loop or comprehension, or...
Why does C++ rand() seem to generate only numbers of the same order of magnitude?
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answered Jun 20 '13 at 9:20
C4storC4stor
7,58144 gold badges2424 silver badges4242 bronze badges
...
SVG gradient using CSS
...
}
<svg width="100" height="50" version="1.1" xmlns="http://www.w3.org/2000/svg">
<style type="text/css">
rect{fill:url(#MyGradient)}
</style>
<defs>
<linearGradient id="MyGradient">
<stop offset="5%" stop-color="#F6...
In C#, how can I create a TextReader object from a string (without writing to disk)
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answered Oct 20 '11 at 14:56
Steve BSteve B
34.1k1717 gold badges8787 silver badges149149 bronze badges
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Left padding a String with Zeros [duplicate]
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20 Answers
20
Active
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How do Mockito matchers work?
...-to-right before invoking a method:
when(foo.quux(anyInt(), and(gt(10), lt(20)))).thenReturn(true);
[6] [5] [1] [4] [2] [3]
This will:
Add anyInt() to the stack.
Add gt(10) to the stack.
Add lt(20) to the stack.
Remove gt(10) and lt(20) and add and(gt(10), lt(20)).
Call foo.quux(0,...
Have a reloadData for a UITableView animate when changing
... PhillipJacobs
1,11911 gold badge88 silver badges2020 bronze badges
answered Nov 7 '12 at 0:45
Kenn CalKenn Cal
3,38822 gold ba...
Adding a legend to PyPlot in Matplotlib in the simplest manner possible
...):
import numpy as np
import matplotlib.pyplot as plt
x = np.linspace(0, 20, 1000)
y1 = np.sin(x)
y2 = np.cos(x)
plt.plot(x, y1, "-b", label="sine")
plt.plot(x, y2, "-r", label="cosine")
plt.legend(loc="upper left")
plt.ylim(-1.5, 2.0)
plt.show()
Slightly modified from this tutorial: http://ja...