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What is android:weightSum in android, and how does it work?
...tent"
android:layout_weight="1"
android:layout_width="0dp"/>
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weightSum is useful for having the layout rendered correctly for any device, which will not happen if you set width and height directly.
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How do I enumerate through a JObject?
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answered May 10 '12 at 23:35
svicksvick
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How do I reference a Django settings variable in my models.py?
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Arbazz Hussain
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answered Oct 23 '11 at 17:31
juankysmithjuankysmith
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ALTER TABLE, set null in not null column, PostgreSQL 9.1
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208
ALTER TABLE person ALTER COLUMN phone DROP NOT NULL;
More details in the manual: http://www.p...
R data formats: RData, Rda, Rds etc
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KenMKenM
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.aspx vs .ashx MAIN difference
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101
Page is a special case handler.
Generic Web handler (*.ashx, extension based processor) is th...
Sprintf equivalent in Java
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answered Sep 5 '08 at 23:06
Eugene YokotaEugene Yokota
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ActiveRecord, has_many :through, and Polymorphic Associations
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edited Dec 5 '11 at 9:09
answered Nov 5 '09 at 23:53
Em...
What does a double * (splat) operator do
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Ruby 2.0 introduced keyword arguments, and ** acts like *, but for keyword arguments. It returns a Hash with key / value pairs.
For this code:
def foo(a, *b, **c)
[a, b, c]
end
Here's a demo:
> foo 10
=> [10, [], {}]
&g...
How to cancel a pull request on github?
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edited Aug 31 at 7:00
Kai Noack
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