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dplyr: “Error in n(): function should not be called directly”
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Michael Bellhouse
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answered Apr 2 '14 at 3:59
mnelmnel
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How do I specify different Layouts in the ASP.NET MVC 3 razor ViewStart file?
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3 Answers
3
Active
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How to override to_json in Rails?
...Longer explanation of to_json, as_json, and rendering:
In ActiveSupport 2.3.3, as_json was added to address issues like the one you have encountered. The creation of the json should be separate from the rendering of the json.
Now, anytime to_json is called on an object, as_json is invoked to creat...
Slicing of a NumPy 2d array, or how do I extract an mxm submatrix from an nxn array (n>m)?
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As Sven mentioned, x[[[0],[2]],[1,3]] will give back the 0 and 2 rows that match with the 1 and 3 columns while x[[0,2],[1,3]] will return the values x[0,1] and x[2,3] in an array.
There is a helpful function for doing the first example I gave, numpy.ix_. Y...
Convert NSData to String?
... example if data does not represent valid data for encoding).
Prior Swift 3.0
String(data: yourData, encoding: NSUTF8StringEncoding)
Swift 3.0 Onwards
String(data: yourData, encoding: .utf8)
See String#init(data:encoding:) Reference
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How to make unicode string with python3
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139
Literal strings are unicode by default in Python3.
Assuming that text is a bytes object, just ...
How to undo 'git reset'?
... reset HEAD~ and want to undo it. My reflog looks like this:
$ git reflog
3f6db14 HEAD@{0}: HEAD~: updating HEAD
d27924e HEAD@{1}: checkout: moving from d27924e0fe16776f0d0f1ee2933a0334a4787b4c
[...]
The first line says that HEAD 0 positions ago (in other words, the current position) is 3f6db14; ...
Calculate difference between two datetimes in MySQL
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3 Answers
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How to check SQL Server version
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230
Following are possible ways to see the version:
Method 1: Connect to the instance of SQL Serve...