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Disable Required validation attribute under certain circumstances
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edited Dec 4 '12 at 6:42
answered Mar 20 '11 at 9:59
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Internet Explorer's CSS rules limits
... in Internet Explorer
The rules for IE9 are:
A sheet may contain up to 4095 selectors (Demo)
A sheet may @import up to 31 sheets
@import nesting supports up to 4 levels deep
The rules for IE10 are:
A sheet may contain up to 65534 selectors
A sheet may @import up to 4095 sheets
@import nestin...
Run a single test method with maven
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edited Jan 29 '19 at 16:54
Yan Khonski
7,9441010 gold badges4040 silver badges7878 bronze badges
answer...
Find CRLF in Notepad++
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416
[\r\n]+ should work too
Update March, 26th 2012, release date of Notepad++ 6.0:
OMG, it actu...
Random record in ActiveRecord
...e current record count) as an offset.
offset = rand(Model.count)
# Rails 4
rand_record = Model.offset(offset).first
# Rails 3
rand_record = Model.first(:offset => offset)
To be honest, I've just been using ORDER BY RAND() or RANDOM() (depending on the database). It's not a performance issue ...
How to extract the year from a Python datetime object?
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4 Answers
4
Active
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How to get distinct values for non-key column fields in Laravel?
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answered Aug 10 '14 at 13:08
Marcin NabiałekMarcin Nabiałek
92k3535 gold badges200200 silver badges243243 bronze badges
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How to validate phone numbers using regex
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42 Answers
42
Active
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How to merge two arrays in JavaScript and de-duplicate items
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answered Oct 18 '09 at 8:42
LiraNunaLiraNuna
54.1k1313 gold badges110110 silver badges135135 bronze badges
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Iterate a list as pair (current, next) in Python
...ators:
def threes(iterator):
"s -> (s0,s1,s2), (s1,s2,s3), (s2, s3,4), ..."
a, b, c = itertools.tee(iterator, 3)
next(b, None)
next(c, None)
next(c, None)
return zip(a, b, c)
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