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How do I create a unique constraint that also allows nulls?
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SQL Server 2008 +
You can create a unique index that accept multiple NULLs with a WHERE clause. See the answer below.
Prior to SQL Server 2008
You cannot create a UNIQUE constraint and allow NULLs. You need set a default value of NEW...
How to set RelativeLayout layout params in code not in xml?
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269
Just a basic example:
RelativeLayout.LayoutParams params = new RelativeLayout.LayoutParams(Re...
“X-UA-Compatible” content=“IE=9; IE=8; IE=7; IE=EDGE”
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2 Answers
2
Active
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How do I download a binary file over HTTP?
...write(resp.body)
end
end
puts "Done."
Edit: Changed. Thank You.
Edit2: The solution which saves part of a file while downloading:
# instead of http.get
f = open('sample.flv')
begin
http.request_get('/sample.flv') do |resp|
resp.read_body do |segment|
f.write(segment)
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What is the correct way to start a mongod service on linux / OS X?
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129
With recent builds of mongodb community edition, this is straightforward.
When you install via...
Getting the SQL from a Django QuerySet [duplicate]
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edited May 10 '19 at 12:07
Tom
19.1k33 gold badges5757 silver badges8383 bronze badges
answered Sep ...
Print all day-dates between two dates [duplicate]
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I came up with this:
from datetime import date, timedelta
sdate = date(2008, 8, 15) # start date
edate = date(2008, 9, 15) # end date
delta = edate - sdate # as timedelta
for i in range(delta.days + 1):
day = sdate + timedelta(days=i)
print(day)
The output:
2008-08-15
2008...
Rails 4 multiple image or file upload using carrierwave
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edited Jul 2 '15 at 4:43
answered Jan 28 '14 at 17:09
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Panel.Dock Fill ignoring other Panel.Dock setting
...l effect depends on the layout model.
With fixed positioned controls, the 2D position is independent of the sibling order, but when controls are overlapping, the control earliest in the order will be "on top", hiding part of siblings later in the order. In this context Bring to front / Send to back...