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CSS transition effect makes image blurry / moves image 1px, in Chrome?
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edited May 13 at 9:01
answered Mar 18 '13 at 8:22
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Detect and exclude outliers in Pandas data frame
...ression would do that in one shot.
df = pd.DataFrame(np.random.randn(100, 3))
from scipy import stats
df[(np.abs(stats.zscore(df)) < 3).all(axis=1)]
description:
For each column, first it computes the Z-score of each value in the
column, relative to the column mean and standard deviation.
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Arrays, heap and stack and value types
...values of each of these types would require 16 bytes of memory (assuming a 32-bit word size). The field I in each case takes 4 bytes to store its value, the field S takes 4 bytes to store its reference, and the field L takes 8 bytes to store its value. So the memory for the value of both RefType a...
git stash apply version
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Vadim Kotov
6,57788 gold badges4343 silver badges5555 bronze badges
answered Dec 15 '09 at 20:23
araqnidaraqnid
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OO Design in Rails: Where to put stuff
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384
Because Rails provides structure in terms of MVC, it's natural to end up using only the model,...
Eliminate extra separators below UITableView
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34 Answers
34
Active
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Batch file to delete files older than N days
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23 Answers
23
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PHP random string generator
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1435
To answer this question specifically, two problems:
$randstring is not in scope when you ech...
Find the Smallest Integer Not in a List
...ndex - that's the smallest value not in the array. This results in at most 3N comparisons and only uses a few values worth of temporary space.
# Pass 1, move every value to the position of its value
for cursor in range(N):
target = array[cursor]
while target < N and target != array[targe...