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Match linebreaks - \n or \r\n?
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231
Gonna answer in opposite direction.
2) For a full explanation about \r and \n I have to refer...
Input and output numpy arrays to h5py
... using h5py reduces the file size considerably. So, let's say I have the 2D numpy array named A . How do I save it to an h5py file?
Also, how do I read the same file and put it as a numpy array in a different code, as I need to do manipulations with the array?
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rails 3 validation on uniqueness on multiple attributes
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In Rails 2, I would have written:
validates_uniqueness_of :zipcode, :scope => :recorded_at
In Rails 3:
validates :zipcode, :uniqueness => {:scope => :recorded_at}
For multiple attributes:
validates :zipcode, :uniquenes...
When to use inline function and when not to use it?
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211
Avoiding the cost of a function call is only half the story.
do:
use inline instead of #def...
Where's the difference between setObject:forKey: and setValue:forKey: in NSMutableDictionary?
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edited May 23 '17 at 12:02
Community♦
111 silver badge
answered Aug 8 '09 at 19:09
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Superiority of unnamed namespace over static?
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2 Answers
2
Active
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How do you make lettered lists using markdown?
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Andrew Mascillaro
3691212 bronze badges
answered Mar 15 '13 at 0:01
creativecodercreativecoder
1,191...
How to select date from datetime column?
I have a column of type "datetime" with values like 2009-10-20 10:00:00
8 Answers
8
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What does send() do in Ruby?
...argument).
Practically speaking, those lines are equivalent:
1.send '+', 2
1.+(2)
1 + 2
Note that send bypasses visibility checks, so that you can call private methods, too (useful for unit testing).
If there is really no variable before send, that means that the global Object is used:
send ...
Get TransactionScope to work with async / await
...ionContext based on this example http://blogs.msdn.com/b/pfxteam/archive/2012/01/20/10259049.aspx .
3 Answers
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