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How to check if a string contains only digits in Java [duplicate]
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347
Try
String regex = "[0-9]+";
or
String regex = "\\d+";
As per Java regular expressions, t...
Twitter bootstrap 3 two columns full height
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Edit:
In Bootstrap 4, native classes can produce full-height columns (DEMO) because they changed their grid system to flexbox. (Read on for Bootstrap 3)
The native Bootstrap 3.0 classes don't support the layout that you describe, however, we ...
Find UNC path of a network drive?
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edited Feb 4 '19 at 12:18
Mike B.
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How do you delete a column by name in data.table?
... copy of it), Methods 1, 2a, and 2b are really the best options.
# Method 4:
df3[, .SD, .SDcols = !patterns("^foo$")]
Lastly there are approaches using with=FALSE, though data.table is gradually moving away from using this argument so it's now discouraged where you can avoid it; showing here so...
How do you unit test a Celery task?
...from nose.tools import eq_
def test_add_task():
rst = add.apply(args=(4, 4)).get()
eq_(rst, 8)
Hope that helps!
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How can I get the DateTime for the start of the week?
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edited Dec 14 '17 at 18:12
Garrett Stauber
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answered Sep 1 '08 at 15:45
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Most efficient way to convert an HTMLCollection to an Array
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EscapeNetscape
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answered Oct 21 '08 at 18:06
harpoharpo
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What's the _ underscore representative of in Swift References?
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edited Aug 5 '15 at 14:53
Chad Nouis
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