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PHP validation/regex for URL
...gitimate file name.
– Stephen P
Jul 27 '11 at 23:55
I'm using Zend\Validator\Regex to validate url using your pattern,...
Database Structure for Tree Data Structure
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answered Mar 27 '11 at 7:56
DarshanDarshan
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Usage of protocols as array types and function parameters in swift
...e same object?
– Tom Harrington
Apr 27 '16 at 2:24
Yes, arrays in swift may contain duplicate entries. If you think th...
Why is “origin/HEAD” shown when running “git branch -r”?
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answered Jul 27 '11 at 2:14
cdunn2001cdunn2001
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How to convert an integer to a string in any base?
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27 Answers
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What's the best way to store a group of constants that my program uses? [closed]
...ed Mar 15 '18 at 15:14
footyapps27
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answered Nov 12 '09 at 17:40
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How to unstage large number of files without deleting the content
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edited Oct 27 '18 at 16:45
malan88
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answered Jul 2 '...
Normalize data in pandas
...84 -1.086236
C -5.569493 4.672679 -2.168464 -9.315900
D 8.892368 0.932785 4.535396 0.598124
In [93]: df_norm = (df - df.mean()) / (df.max() - df.min())
In [94]: df_norm
Out[94]:
a b c d
A 0.085789 -0.394348 0.337016 -0.109935
B -0.463830 0.164926 -0.65...
What's the hardest or most misunderstood aspect of LINQ? [closed]
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271
votes
Delayed execution
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NSUserDefaults - How to tell if a key exists
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answered Dec 27 '09 at 1:31
jspcaljspcal
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