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Correct way to populate an Array with a Range in Ruby
...n create an array with a range using splat,
>> a=*(1..10)
=> [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
using Kernel Array method,
Array (1..10)
=> [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
or using to_a
(1..10).to_a
=> [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
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Pandas: create two new columns in a dataframe with values calculated from a pre-existing column
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Grep regex NOT containing string
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answered May 2 '12 at 10:10
beerbajaybeerbajay
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Getting and removing the first character of a string
I would like to do some 2-dimensional walks using strings of characters by assigning different values to each character. I was planning to 'pop' the first character of a string, use it, and repeat for the rest of the string.
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Convert numpy array to tuple
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>>> arr = numpy.array(((2,2),(2,-2)))
>>> tuple(map(tuple, arr))
((2, 2), (2, -2))
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Python unittests in Jenkins?
...ample tests:
tests.py:
# tests.py
import random
try:
import unittest2 as unittest
except ImportError:
import unittest
class SimpleTest(unittest.TestCase):
@unittest.skip("demonstrating skipping")
def test_skipped(self):
self.fail("shouldn't happen")
def test_pass(sel...
Splitting a list into N parts of approximately equal length
... equal parts? For example, if the list has 7 elements and is split it into 2 parts, we want to get 3 elements in one part, and the other should have 4 elements.
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How to deep copy a list?
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E0_copy is not a deep copy. You don't make a deep copy using list() (Both list(...) and testLi...
Xcode 6 beta 2 issue exporting .ipa: “Your account already has a valid iOS distribution certificate”
...'m having trouble exporting an app for Ad Hoc Distribution on Xcode 6 beta 2:
27 Answers
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Small Haskell program compiled with GHC into huge binary
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