大约有 47,000 项符合查询结果（耗时：0.0576秒） [XML]
Calculate the median of a billion numbers
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answered Apr 3 '10 at 14:15
Steve JessopSteve Jessop
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Regex to validate date format dd/mm/yyyy
...ccurrence of ?.
– Ofir Luzon
Jun 9 '15 at 4:14
5
@MaraisRossouw, You are correct, for 4 digit yea...
Try-finally block prevents StackOverflowError
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edited Sep 15 '12 at 17:17
answered Sep 15 '12 at 16:25
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How to get week number in Python?
...on.
– Jonathan Leffler
Apr 8 '10 at 15:08
5
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How to create EditText with rounded corners? [closed]
...d:color="#FFFFFF" />
<corners
android:bottomRightRadius="15dp"
android:bottomLeftRadius="15dp"
android:topLeftRadius="15dp"
android:topRightRadius="15dp" />
</shape>
Then, just reference this drawable in your layout:
<?xml version="1.0" encoding...
CSS does the width include the padding?
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answered Jan 15 '11 at 4:59
PhrogzPhrogz
261k9494 gold badges597597 silver badges679679 bronze badges
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What's the best way to store Phone number in Django models
...exp
One note for your model: E.164 numbers have a max character length of 15.
To validate, you can employ some combination of formatting and then attempting to contact the number immediately to verify.
I believe I used something like the following on my django project:
class ReceiverForm(forms.M...
Reverse colormap in matplotlib
...ve to suffice.
– shockburner
May 1 '15 at 18:26
Similarly, "ValueError: Colormap red_r is not recognized."
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Find and kill a process in one line using bash and regex
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edited Mar 15 '17 at 12:38
Kerem Baydoğan
9,43711 gold badge3434 silver badges4949 bronze badges
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Float vs Decimal in ActiveRecord
...do this:
irb:001:0> "%.47f" % (1.0/10)
=> "0.10000000000000000555111512312578270211815834045" # not "0.1"!
whereas if you just do
irb:002:0> (1.0/10).to_s
=> "0.1" # the interprer rounds the number for you
So if you are dealing with small fractions, like compounding interests, or ...