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Create an empty data.frame
... stringsAsFactors=FALSE)
str(df)
> str(df)
'data.frame': 0 obs. of 5 variables:
$ Doubles : num
$ Ints : int
$ Factors : Factor w/ 0 levels:
$ Logicals : logi
$ Characters: chr
N.B. :
Initializing a data.frame with an empty column of the wrong type does not ...
RESTful Authentication via Spring
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190
We managed to get this working exactly as described in the OP, and hopefully someone else can ma...
Django FileField with upload_to determined at runtime
...me])
class Content(models.Model):
name = models.CharField(max_length=200)
user = models.ForeignKey(User)
file = models.FileField(upload_to=content_file_name)
As you can see, you don't even need to use the filename given - you could override that in your upload_to callable too if you l...
Difference between and text
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answered Aug 22 '10 at 22:21
AbelAbel
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What is the meaning of erb?
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answered Nov 26 '10 at 10:28
ChowlettChowlett
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Why does 2 == [2] in JavaScript?
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edited Nov 12 '09 at 19:11
answered Nov 12 '09 at 19:00
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Can I use complex HTML with Twitter Bootstrap's Tooltip?
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edited Nov 20 '13 at 11:48
answered Dec 4 '12 at 14:43
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The constant cannot be marked static
...thon ReinhartJonathon Reinhart
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Why define an anonymous function and pass it jQuery as the argument?
...esignpatterns/book/#modulepatternjavascript
http://www.adequatelygood.com/2010/3/JavaScript-Module-Pattern-In-Depth
The purpose of this code is to provide "modularity", privacy and encapsulation for your code.
The implementation of this is a function that is immediately invoked by the calling (j...
What kind of virtual machine is BEAM (the Erlang VM)?
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edited Jul 20 '16 at 1:29
Ilya Vassilevsky
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answered ...